Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi...
authorLinus Torvalds <torvalds@linux-foundation.org>
Wed, 6 Oct 2010 16:50:41 +0000 (09:50 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 6 Oct 2010 16:50:41 +0000 (09:50 -0700)
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: Initialize total_len in fuse_retrieve()

134 files changed:
CREDITS
MAINTAINERS
arch/alpha/kernel/signal.c
arch/arm/oprofile/common.c
arch/arm/plat-omap/Kconfig
arch/arm/plat-omap/mcbsp.c
arch/avr32/kernel/module.c
arch/h8300/kernel/module.c
arch/m68k/mac/macboing.c
arch/mn10300/kernel/module.c
arch/mn10300/mm/cache.c
arch/parisc/kernel/module.c
arch/powerpc/kernel/module.c
arch/powerpc/platforms/512x/clock.c
arch/powerpc/platforms/52xx/efika.c
arch/powerpc/platforms/52xx/mpc52xx_common.c
arch/s390/kernel/module.c
arch/sh/kernel/module.c
arch/um/drivers/net_kern.c
arch/x86/kernel/acpi/cstate.c
arch/x86/kernel/apic/io_apic.c
arch/x86/kernel/cpu/common.c
arch/x86/kernel/cpu/cpu.h
arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
arch/x86/kernel/cpu/intel.c
arch/x86/kernel/cpu/perf_event_p4.c
arch/x86/kernel/hpet.c
arch/x86/kernel/module.c
arch/x86/oprofile/nmi_int.c
drivers/acpi/Kconfig
drivers/acpi/acpi_pad.c
drivers/acpi/acpica/aclocal.h
drivers/acpi/acpica/exutils.c
drivers/acpi/acpica/rsutils.c
drivers/acpi/apei/Kconfig
drivers/acpi/apei/apei-base.c
drivers/acpi/apei/einj.c
drivers/acpi/apei/erst-dbg.c
drivers/acpi/apei/erst.c
drivers/acpi/apei/ghes.c
drivers/acpi/apei/hest.c
drivers/acpi/atomicio.c
drivers/acpi/battery.c
drivers/acpi/blacklist.c
drivers/acpi/bus.c
drivers/acpi/fan.c
drivers/acpi/processor_core.c
drivers/acpi/processor_driver.c
drivers/acpi/processor_perflib.c
drivers/acpi/sleep.c
drivers/acpi/sysfs.c
drivers/acpi/video_detect.c
drivers/cpuidle/governors/menu.c
drivers/dma/shdma.c
drivers/edac/i7core_edac.c
drivers/gpu/drm/drm_gem.c
drivers/gpu/drm/drm_info.c
drivers/gpu/drm/drm_vm.c
drivers/gpu/drm/i810/i810_dma.c
drivers/gpu/drm/i830/i830_dma.c
drivers/gpu/drm/i915/i915_dma.c
drivers/gpu/drm/i915/i915_gem.c
drivers/gpu/drm/i915/i915_gem_evict.c
drivers/gpu/drm/i915/intel_display.c
drivers/gpu/drm/i915/intel_dp.c
drivers/gpu/drm/i915/intel_drv.h
drivers/gpu/drm/i915/intel_fb.c
drivers/gpu/drm/nouveau/nouveau_fbcon.c
drivers/gpu/drm/nouveau/nouveau_gem.c
drivers/gpu/drm/nouveau/nouveau_notifier.c
drivers/gpu/drm/radeon/r600.c
drivers/gpu/drm/radeon/radeon_atombios.c
drivers/gpu/drm/radeon/radeon_display.c
drivers/gpu/drm/radeon/radeon_fb.c
drivers/gpu/drm/radeon/radeon_gem.c
drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
drivers/hwmon/f71882fg.c
drivers/i2c/busses/i2c-davinci.c
drivers/i2c/busses/i2c-octeon.c
drivers/i2c/busses/i2c-s3c2410.c
drivers/idle/intel_idle.c [changed mode: 0755->0644]
drivers/mfd/max8925-core.c
drivers/mfd/wm831x-irq.c
drivers/mtd/nand/omap2.c
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
drivers/net/wireless/iwlwifi/iwl3945-base.c
drivers/pci/quirks.c
drivers/regulator/core.c
drivers/regulator/max8649.c
drivers/serial/mfd.c
drivers/serial/mrst_max3110.c
drivers/spi/spi.c
drivers/spi/spi_gpio.c
drivers/spi/spi_mpc8xxx.c
fs/cifs/cifssmb.c
fs/cifs/inode.c
fs/ocfs2/symlink.c
fs/proc/base.c
fs/reiserfs/ioctl.c
fs/xfs/xfs_log_cil.c
fs/xfs/xfs_log_priv.h
include/acpi/acpixf.h
include/drm/drmP.h
include/drm/drm_pciids.h
include/linux/cpuidle.h
include/linux/dmaengine.h
include/linux/module.h
include/linux/rcupdate.h
include/linux/wait.h
ipc/sem.c
kernel/kfifo.c
kernel/module.c
kernel/smp.c
lib/bug.c
lib/list_sort.c
mm/ksm.c
mm/rmap.c
net/8021q/vlan_core.c
net/ipv4/Kconfig
net/ipv4/tcp_timer.c
net/mac80211/rx.c
net/phonet/pep.c
samples/kfifo/dma-example.c
sound/core/control.c
sound/i2c/other/ak4xxx-adda.c
tools/perf/Makefile
tools/perf/util/trace-event-scripting.c
tools/perf/util/ui/browsers/hists.c

diff --git a/CREDITS b/CREDITS
index 72b4878..41d8e63 100644 (file)
--- a/CREDITS
+++ b/CREDITS
@@ -3554,12 +3554,12 @@ E: cvance@nai.com
 D: portions of the Linux Security Module (LSM) framework and security modules
 
 N: Petr Vandrovec
-E: vandrove@vc.cvut.cz
+E: petr@vandrovec.name
 D: Small contributions to ncpfs
 D: Matrox framebuffer driver
-S: Chudenicka 8
-S: 10200 Prague 10, Hostivar
-S: Czech Republic
+S: 21513 Conradia Ct
+S: Cupertino, CA 95014
+S: USA
 
 N: Thibaut Varene
 E: T-Bone@parisc-linux.org
index 668682d..f46d8e6 100644 (file)
@@ -962,6 +962,13 @@ W: http://www.fluff.org/ben/linux/
 S:     Maintained
 F:     arch/arm/mach-s3c6410/
 
+ARM/S5P ARM ARCHITECTURES
+M:     Kukjin Kim <kgene.kim@samsung.com>
+L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L:     linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+S:     Maintained
+F:     arch/arm/mach-s5p*/
+
 ARM/SHMOBILE ARM ARCHITECTURE
 M:     Paul Mundt <lethal@linux-sh.org>
 M:     Magnus Damm <magnus.damm@gmail.com>
@@ -3781,9 +3788,8 @@ W:        http://www.syskonnect.com
 S:     Supported
 
 MATROX FRAMEBUFFER DRIVER
-M:     Petr Vandrovec <vandrove@vc.cvut.cz>
 L:     linux-fbdev@vger.kernel.org
-S:     Maintained
+S:     Orphan
 F:     drivers/video/matrox/matroxfb_*
 F:     include/linux/matroxfb.h
 
@@ -3970,8 +3976,8 @@ S:        Maintained
 F:     drivers/net/natsemi.c
 
 NCP FILESYSTEM
-M:     Petr Vandrovec <vandrove@vc.cvut.cz>
-S:     Maintained
+M:     Petr Vandrovec <petr@vandrovec.name>
+S:     Odd Fixes
 F:     fs/ncpfs/
 
 NCR DUAL 700 SCSI DRIVER (MICROCHANNEL)
index d290845..6f7feb5 100644 (file)
@@ -48,7 +48,7 @@ SYSCALL_DEFINE2(osf_sigprocmask, int, how, unsigned long, newmask)
        sigset_t mask;
        unsigned long res;
 
-       siginitset(&mask, newmask & ~_BLOCKABLE);
+       siginitset(&mask, newmask & _BLOCKABLE);
        res = sigprocmask(how, &mask, &oldmask);
        if (!res) {
                force_successful_syscall_return();
index 0691176..72e09eb 100644 (file)
@@ -102,6 +102,7 @@ static int op_create_counter(int cpu, int event)
        if (IS_ERR(pevent)) {
                ret = PTR_ERR(pevent);
        } else if (pevent->state != PERF_EVENT_STATE_ACTIVE) {
+               perf_event_release_kernel(pevent);
                pr_warning("oprofile: failed to enable event %d "
                                "on CPU %d\n", event, cpu);
                ret = -EBUSY;
@@ -365,6 +366,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
        ret = init_driverfs();
        if (ret) {
                kfree(counter_config);
+               counter_config = NULL;
                return ret;
        }
 
@@ -402,7 +404,6 @@ void oprofile_arch_exit(void)
        struct perf_event *event;
 
        if (*perf_events) {
-               exit_driverfs();
                for_each_possible_cpu(cpu) {
                        for (id = 0; id < perf_num_counters; ++id) {
                                event = perf_events[cpu][id];
@@ -413,8 +414,10 @@ void oprofile_arch_exit(void)
                }
        }
 
-       if (counter_config)
+       if (counter_config) {
                kfree(counter_config);
+               exit_driverfs();
+       }
 }
 #else
 int __init oprofile_arch_init(struct oprofile_operations *ops)
index e39a417..a92cb49 100644 (file)
@@ -33,7 +33,7 @@ config OMAP_DEBUG_DEVICES
 config OMAP_DEBUG_LEDS
        bool
        depends on OMAP_DEBUG_DEVICES
-       default y if LEDS
+       default y if LEDS_CLASS
 
 config OMAP_RESET_CLOCKS
        bool "Reset unused clocks during boot"
index e31496e..0c8612f 100644 (file)
@@ -156,7 +156,7 @@ static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id)
                /* Writing zero to RSYNC_ERR clears the IRQ */
                MCBSP_WRITE(mcbsp_rx, SPCR1, MCBSP_READ_CACHE(mcbsp_rx, SPCR1));
        } else {
-               complete(&mcbsp_rx->tx_irq_completion);
+               complete(&mcbsp_rx->rx_irq_completion);
        }
 
        return IRQ_HANDLED;
index 98f94d0..a727f54 100644 (file)
@@ -314,10 +314,9 @@ int module_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
        vfree(module->arch.syminfo);
        module->arch.syminfo = NULL;
 
-       return module_bug_finalize(hdr, sechdrs, module);
+       return 0;
 }
 
 void module_arch_cleanup(struct module *module)
 {
-       module_bug_cleanup(module);
 }
index 0865e29..db4953d 100644 (file)
@@ -112,10 +112,9 @@ int module_finalize(const Elf_Ehdr *hdr,
                    const Elf_Shdr *sechdrs,
                    struct module *me)
 {
-       return module_bug_finalize(hdr, sechdrs, me);
+       return 0;
 }
 
 void module_arch_cleanup(struct module *mod)
 {
-       module_bug_cleanup(mod);
 }
index 8f06408..05285d0 100644 (file)
@@ -162,7 +162,7 @@ static void mac_init_asc( void )
 void mac_mksound( unsigned int freq, unsigned int length )
 {
        __u32 cfreq = ( freq << 5 ) / 468;
-       __u32 flags;
+       unsigned long flags;
        int i;
 
        if ( mac_special_bell == NULL )
@@ -224,7 +224,7 @@ static void mac_nosound( unsigned long ignored )
  */
 static void mac_quadra_start_bell( unsigned int freq, unsigned int length, unsigned int volume )
 {
-       __u32 flags;
+       unsigned long flags;
 
        /* if the bell is already ringing, ring longer */
        if ( mac_bell_duration > 0 )
@@ -271,7 +271,7 @@ static void mac_quadra_start_bell( unsigned int freq, unsigned int length, unsig
 static void mac_quadra_ring_bell( unsigned long ignored )
 {
        int     i, count = mac_asc_samplespersec / HZ;
-       __u32 flags;
+       unsigned long flags;
 
        /*
         * we neither want a sound buffer overflow nor underflow, so we need to match
index 6aea7fd..196a111 100644 (file)
@@ -206,7 +206,7 @@ int module_finalize(const Elf_Ehdr *hdr,
                    const Elf_Shdr *sechdrs,
                    struct module *me)
 {
-       return module_bug_finalize(hdr, sechdrs, me);
+       return 0;
 }
 
 /*
@@ -214,5 +214,4 @@ int module_finalize(const Elf_Ehdr *hdr,
  */
 void module_arch_cleanup(struct module *mod)
 {
-       module_bug_cleanup(mod);
 }
index 1b76719..9261217 100644 (file)
@@ -54,13 +54,30 @@ EXPORT_SYMBOL(flush_icache_page);
 void flush_icache_range(unsigned long start, unsigned long end)
 {
 #ifdef CONFIG_MN10300_CACHE_WBACK
-       unsigned long addr, size, off;
+       unsigned long addr, size, base, off;
        struct page *page;
        pgd_t *pgd;
        pud_t *pud;
        pmd_t *pmd;
        pte_t *ppte, pte;
 
+       if (end > 0x80000000UL) {
+               /* addresses above 0xa0000000 do not go through the cache */
+               if (end > 0xa0000000UL) {
+                       end = 0xa0000000UL;
+                       if (start >= end)
+                               return;
+               }
+
+               /* kernel addresses between 0x80000000 and 0x9fffffff do not
+                * require page tables, so we just map such addresses directly */
+               base = (start >= 0x80000000UL) ? start : 0x80000000UL;
+               mn10300_dcache_flush_range(base, end);
+               if (base == start)
+                       goto invalidate;
+               end = base;
+       }
+
        for (; start < end; start += size) {
                /* work out how much of the page to flush */
                off = start & (PAGE_SIZE - 1);
@@ -104,6 +121,7 @@ void flush_icache_range(unsigned long start, unsigned long end)
        }
 #endif
 
+invalidate:
        mn10300_icache_inv();
 }
 EXPORT_SYMBOL(flush_icache_range);
index 159a2b8..6e81bb5 100644 (file)
@@ -941,11 +941,10 @@ int module_finalize(const Elf_Ehdr *hdr,
        nsyms = newptr - (Elf_Sym *)symhdr->sh_addr;
        DEBUGP("NEW num_symtab %lu\n", nsyms);
        symhdr->sh_size = nsyms * sizeof(Elf_Sym);
-       return module_bug_finalize(hdr, sechdrs, me);
+       return 0;
 }
 
 void module_arch_cleanup(struct module *mod)
 {
        deregister_unwind_table(mod);
-       module_bug_cleanup(mod);
 }
index 477c663..49cee9d 100644 (file)
@@ -63,11 +63,6 @@ int module_finalize(const Elf_Ehdr *hdr,
                const Elf_Shdr *sechdrs, struct module *me)
 {
        const Elf_Shdr *sect;
-       int err;
-
-       err = module_bug_finalize(hdr, sechdrs, me);
-       if (err)
-               return err;
 
        /* Apply feature fixups */
        sect = find_section(hdr, sechdrs, "__ftr_fixup");
@@ -101,5 +96,4 @@ int module_finalize(const Elf_Ehdr *hdr,
 
 void module_arch_cleanup(struct module *mod)
 {
-       module_bug_cleanup(mod);
 }
index 5b243bd..3dc2a8d 100644 (file)
@@ -57,7 +57,7 @@ static struct clk *mpc5121_clk_get(struct device *dev, const char *id)
        int id_match = 0;
 
        if (dev == NULL || id == NULL)
-               return NULL;
+               return clk;
 
        mutex_lock(&clocks_mutex);
        list_for_each_entry(p, &clocks, node) {
index 45c0cb9..18c1048 100644 (file)
@@ -99,7 +99,7 @@ static void __init efika_pcisetup(void)
        if (bus_range == NULL || len < 2 * sizeof(int)) {
                printk(KERN_WARNING EFIKA_PLATFORM_NAME
                       ": Can't get bus-range for %s\n", pcictrl->full_name);
-               return;
+               goto out_put;
        }
 
        if (bus_range[1] == bus_range[0])
@@ -111,12 +111,12 @@ static void __init efika_pcisetup(void)
        printk(" controlled by %s\n", pcictrl->full_name);
        printk("\n");
 
-       hose = pcibios_alloc_controller(of_node_get(pcictrl));
+       hose = pcibios_alloc_controller(pcictrl);
        if (!hose) {
                printk(KERN_WARNING EFIKA_PLATFORM_NAME
                       ": Can't allocate PCI controller structure for %s\n",
                       pcictrl->full_name);
-               return;
+               goto out_put;
        }
 
        hose->first_busno = bus_range[0];
@@ -124,6 +124,9 @@ static void __init efika_pcisetup(void)
        hose->ops = &rtas_pci_ops;
 
        pci_process_bridge_OF_ranges(hose, pcictrl, 0);
+       return;
+out_put:
+       of_node_put(pcictrl);
 }
 
 #else
index 6e90531..41f3a7e 100644 (file)
@@ -325,12 +325,16 @@ int mpc5200_psc_ac97_gpio_reset(int psc_number)
        clrbits32(&simple_gpio->simple_dvo, sync | out);
        clrbits8(&wkup_gpio->wkup_dvo, reset);
 
-       /* wait at lease 1 us */
-       udelay(2);
+       /* wait for 1 us */
+       udelay(1);
 
        /* Deassert reset */
        setbits8(&wkup_gpio->wkup_dvo, reset);
 
+       /* wait at least 200ns */
+       /* 7 ~= (200ns * timebase) / ns2sec */
+       __delay(7);
+
        /* Restore pin-muxing */
        out_be32(&simple_gpio->port_config, mux);
 
index 22cfd63..f7167ee 100644 (file)
@@ -407,10 +407,9 @@ int module_finalize(const Elf_Ehdr *hdr,
 {
        vfree(me->arch.syminfo);
        me->arch.syminfo = NULL;
-       return module_bug_finalize(hdr, sechdrs, me);
+       return 0;
 }
 
 void module_arch_cleanup(struct module *mod)
 {
-       module_bug_cleanup(mod);
 }
index 43adddf..ae0be69 100644 (file)
@@ -149,13 +149,11 @@ int module_finalize(const Elf_Ehdr *hdr,
        int ret = 0;
 
        ret |= module_dwarf_finalize(hdr, sechdrs, me);
-       ret |= module_bug_finalize(hdr, sechdrs, me);
 
        return ret;
 }
 
 void module_arch_cleanup(struct module *mod)
 {
-       module_bug_cleanup(mod);
        module_dwarf_cleanup(mod);
 }
index 2ab233b..47d0c37 100644 (file)
@@ -255,18 +255,6 @@ static void uml_net_tx_timeout(struct net_device *dev)
        netif_wake_queue(dev);
 }
 
-static int uml_net_set_mac(struct net_device *dev, void *addr)
-{
-       struct uml_net_private *lp = netdev_priv(dev);
-       struct sockaddr *hwaddr = addr;
-
-       spin_lock_irq(&lp->lock);
-       eth_mac_addr(dev, hwaddr->sa_data);
-       spin_unlock_irq(&lp->lock);
-
-       return 0;
-}
-
 static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
 {
        dev->mtu = new_mtu;
@@ -373,7 +361,7 @@ static const struct net_device_ops uml_netdev_ops = {
        .ndo_start_xmit         = uml_net_start_xmit,
        .ndo_set_multicast_list = uml_net_set_multicast_list,
        .ndo_tx_timeout         = uml_net_tx_timeout,
-       .ndo_set_mac_address    = uml_net_set_mac,
+       .ndo_set_mac_address    = eth_mac_addr,
        .ndo_change_mtu         = uml_net_change_mtu,
        .ndo_validate_addr      = eth_validate_addr,
 };
@@ -472,7 +460,8 @@ static void eth_configure(int n, void *init, char *mac,
            ((*transport->user->init)(&lp->user, dev) != 0))
                goto out_unregister;
 
-       eth_mac_addr(dev, device->mac);
+       /* don't use eth_mac_addr, it will not work here */
+       memcpy(dev->dev_addr, device->mac, ETH_ALEN);
        dev->mtu = transport->user->mtu;
        dev->netdev_ops = &uml_netdev_ops;
        dev->ethtool_ops = &uml_net_ethtool_ops;
index fb7a5f0..fb16f17 100644 (file)
@@ -61,7 +61,7 @@ struct cstate_entry {
                unsigned int ecx;
        } states[ACPI_PROCESSOR_MAX_POWER];
 };
-static struct cstate_entry *cpu_cstate_entry;  /* per CPU ptr */
+static struct cstate_entry __percpu *cpu_cstate_entry; /* per CPU ptr */
 
 static short mwait_supported[ACPI_PROCESSOR_MAX_POWER];
 
index f1efeba..5c5b8f3 100644 (file)
@@ -306,14 +306,19 @@ void arch_init_copy_chip_data(struct irq_desc *old_desc,
 
        old_cfg = old_desc->chip_data;
 
-       memcpy(cfg, old_cfg, sizeof(struct irq_cfg));
+       cfg->vector = old_cfg->vector;
+       cfg->move_in_progress = old_cfg->move_in_progress;
+       cpumask_copy(cfg->domain, old_cfg->domain);
+       cpumask_copy(cfg->old_domain, old_cfg->old_domain);
 
        init_copy_irq_2_pin(old_cfg, cfg, node);
 }
 
-static void free_irq_cfg(struct irq_cfg *old_cfg)
+static void free_irq_cfg(struct irq_cfg *cfg)
 {
-       kfree(old_cfg);
+       free_cpumask_var(cfg->domain);
+       free_cpumask_var(cfg->old_domain);
+       kfree(cfg);
 }
 
 void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc)
index 490dac6..f2f9ac7 100644 (file)
@@ -545,7 +545,7 @@ void __cpuinit cpu_detect(struct cpuinfo_x86 *c)
        }
 }
 
-static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
+void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
 {
        u32 tfms, xlvl;
        u32 ebx;
index 3624e8a..f668bb1 100644 (file)
@@ -33,5 +33,6 @@ extern const struct cpu_dev *const __x86_cpu_dev_start[],
                            *const __x86_cpu_dev_end[];
 
 extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
+extern void get_cpu_cap(struct cpuinfo_x86 *c);
 
 #endif
index 994230d..4f6f679 100644 (file)
@@ -368,16 +368,22 @@ static int __init pcc_cpufreq_do_osc(acpi_handle *handle)
                return -ENODEV;
 
        out_obj = output.pointer;
-       if (out_obj->type != ACPI_TYPE_BUFFER)
-               return -ENODEV;
+       if (out_obj->type != ACPI_TYPE_BUFFER) {
+               ret = -ENODEV;
+               goto out_free;
+       }
 
        errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
-       if (errors)
-               return -ENODEV;
+       if (errors) {
+               ret = -ENODEV;
+               goto out_free;
+       }
 
        supported = *((u32 *)(out_obj->buffer.pointer + 4));
-       if (!(supported & 0x1))
-               return -ENODEV;
+       if (!(supported & 0x1)) {
+               ret = -ENODEV;
+               goto out_free;
+       }
 
 out_free:
        kfree(output.pointer);
index 85f69cd..b438944 100644 (file)
@@ -39,6 +39,7 @@ static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
                        misc_enable &= ~MSR_IA32_MISC_ENABLE_LIMIT_CPUID;
                        wrmsrl(MSR_IA32_MISC_ENABLE, misc_enable);
                        c->cpuid_level = cpuid_eax(0);
+                       get_cpu_cap(c);
                }
        }
 
index b560db3..2490151 100644 (file)
@@ -660,8 +660,12 @@ static int p4_pmu_handle_irq(struct pt_regs *regs)
        for (idx = 0; idx < x86_pmu.num_counters; idx++) {
                int overflow;
 
-               if (!test_bit(idx, cpuc->active_mask))
+               if (!test_bit(idx, cpuc->active_mask)) {
+                       /* catch in-flight IRQs */
+                       if (__test_and_clear_bit(idx, cpuc->running))
+                               handled++;
                        continue;
+               }
 
                event = cpuc->events[idx];
                hwc = &event->hw;
index 410fdb3..7494999 100644 (file)
@@ -506,7 +506,7 @@ static int hpet_assign_irq(struct hpet_dev *dev)
 {
        unsigned int irq;
 
-       irq = create_irq();
+       irq = create_irq_nr(0, -1);
        if (!irq)
                return -EINVAL;
 
index e0bc186..1c355c5 100644 (file)
@@ -239,11 +239,10 @@ int module_finalize(const Elf_Ehdr *hdr,
                apply_paravirt(pseg, pseg + para->sh_size);
        }
 
-       return module_bug_finalize(hdr, sechdrs, me);
+       return 0;
 }
 
 void module_arch_cleanup(struct module *mod)
 {
        alternatives_smp_module_del(mod);
-       module_bug_cleanup(mod);
 }
index 009b819..f1575c9 100644 (file)
@@ -674,6 +674,7 @@ static int __init ppro_init(char **cpu_type)
        case 0x0f:
        case 0x16:
        case 0x17:
+       case 0x1d:
                *cpu_type = "i386/core_2";
                break;
        case 0x1a:
index b811f21..88681ac 100644 (file)
@@ -105,7 +105,7 @@ config ACPI_EC_DEBUGFS
 
          Be aware that using this interface can confuse your Embedded
          Controller in a way that a normal reboot is not enough. You then
-         have to power of your system, and remove the laptop battery for
+         have to power off your system, and remove the laptop battery for
          some seconds.
          An Embedded Controller typically is available on laptops and reads
          sensor values like battery state and temperature.
index b76848c..6b115f6 100644 (file)
@@ -382,31 +382,32 @@ static void acpi_pad_remove_sysfs(struct acpi_device *device)
        device_remove_file(&device->dev, &dev_attr_rrtime);
 }
 
-/* Query firmware how many CPUs should be idle */
-static int acpi_pad_pur(acpi_handle handle, int *num_cpus)
+/*
+ * Query firmware how many CPUs should be idle
+ * return -1 on failure
+ */
+static int acpi_pad_pur(acpi_handle handle)
 {
        struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
        union acpi_object *package;
-       int rev, num, ret = -EINVAL;
+       int num = -1;
 
        if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PUR", NULL, &buffer)))
-               return -EINVAL;
+               return num;
 
        if (!buffer.length || !buffer.pointer)
-               return -EINVAL;
+               return num;
 
        package = buffer.pointer;
-       if (package->type != ACPI_TYPE_PACKAGE || package->package.count != 2)
-               goto out;
-       rev = package->package.elements[0].integer.value;
-       num = package->package.elements[1].integer.value;
-       if (rev != 1 || num < 0)
-               goto out;
-       *num_cpus = num;
-       ret = 0;
-out:
+
+       if (package->type == ACPI_TYPE_PACKAGE &&
+               package->package.count == 2 &&
+               package->package.elements[0].integer.value == 1) /* rev 1 */
+
+               num = package->package.elements[1].integer.value;
+
        kfree(buffer.pointer);
-       return ret;
+       return num;
 }
 
 /* Notify firmware how many CPUs are idle */
@@ -433,7 +434,8 @@ static void acpi_pad_handle_notify(acpi_handle handle)
        uint32_t idle_cpus;
 
        mutex_lock(&isolated_cpus_lock);
-       if (acpi_pad_pur(handle, &num_cpus)) {
+       num_cpus = acpi_pad_pur(handle);
+       if (num_cpus < 0) {
                mutex_unlock(&isolated_cpus_lock);
                return;
        }
index df85b53..7dad916 100644 (file)
@@ -854,6 +854,7 @@ struct acpi_bit_register_info {
        ACPI_BITMASK_POWER_BUTTON_STATUS   | \
        ACPI_BITMASK_SLEEP_BUTTON_STATUS   | \
        ACPI_BITMASK_RT_CLOCK_STATUS       | \
+       ACPI_BITMASK_PCIEXP_WAKE_DISABLE   | \
        ACPI_BITMASK_WAKE_STATUS)
 
 #define ACPI_BITMASK_TIMER_ENABLE               0x0001
index 74c24d5..4093522 100644 (file)
@@ -109,7 +109,7 @@ void acpi_ex_enter_interpreter(void)
  *
  * DESCRIPTION: Reacquire the interpreter execution region from within the
  *              interpreter code. Failure to enter the interpreter region is a
- *              fatal system error. Used in  conjuction with
+ *              fatal system error. Used in  conjunction with
  *              relinquish_interpreter
  *
  ******************************************************************************/
index 22cfcfb..491191e 100644 (file)
@@ -149,7 +149,7 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type)
 
                        /*
                         * 16-, 32-, and 64-bit cases must use the move macros that perform
-                        * endian conversion and/or accomodate hardware that cannot perform
+                        * endian conversion and/or accommodate hardware that cannot perform
                         * misaligned memory transfers
                         */
                case ACPI_RSC_MOVE16:
index 907e350..fca34cc 100644 (file)
@@ -34,6 +34,6 @@ config ACPI_APEI_ERST_DEBUG
        depends on ACPI_APEI
        help
          ERST is a way provided by APEI to save and retrieve hardware
-         error infomation to and from a persistent store. Enable this
+         error information to and from a persistent store. Enable this
          if you want to debugging and testing the ERST kernel support
          and firmware implementation.
index 73fd0c7..4a904a4 100644 (file)
@@ -445,11 +445,15 @@ EXPORT_SYMBOL_GPL(apei_resources_sub);
 int apei_resources_request(struct apei_resources *resources,
                           const char *desc)
 {
-       struct apei_res *res, *res_bak;
+       struct apei_res *res, *res_bak = NULL;
        struct resource *r;
+       int rc;
 
-       apei_resources_sub(resources, &apei_resources_all);
+       rc = apei_resources_sub(resources, &apei_resources_all);
+       if (rc)
+               return rc;
 
+       rc = -EINVAL;
        list_for_each_entry(res, &resources->iomem, list) {
                r = request_mem_region(res->start, res->end - res->start,
                                       desc);
@@ -475,7 +479,11 @@ int apei_resources_request(struct apei_resources *resources,
                }
        }
 
-       apei_resources_merge(&apei_resources_all, resources);
+       rc = apei_resources_merge(&apei_resources_all, resources);
+       if (rc) {
+               pr_err(APEI_PFX "Fail to merge resources!\n");
+               goto err_unmap_ioport;
+       }
 
        return 0;
 err_unmap_ioport:
@@ -491,12 +499,13 @@ err_unmap_iomem:
                        break;
                release_mem_region(res->start, res->end - res->start);
        }
-       return -EINVAL;
+       return rc;
 }
 EXPORT_SYMBOL_GPL(apei_resources_request);
 
 void apei_resources_release(struct apei_resources *resources)
 {
+       int rc;
        struct apei_res *res;
 
        list_for_each_entry(res, &resources->iomem, list)
@@ -504,7 +513,9 @@ void apei_resources_release(struct apei_resources *resources)
        list_for_each_entry(res, &resources->ioport, list)
                release_region(res->start, res->end - res->start);
 
-       apei_resources_sub(&apei_resources_all, resources);
+       rc = apei_resources_sub(&apei_resources_all, resources);
+       if (rc)
+               pr_err(APEI_PFX "Fail to sub resources!\n");
 }
 EXPORT_SYMBOL_GPL(apei_resources_release);
 
index 465c885..cf29df6 100644 (file)
@@ -426,7 +426,9 @@ DEFINE_SIMPLE_ATTRIBUTE(error_inject_fops, NULL,
 
 static int einj_check_table(struct acpi_table_einj *einj_tab)
 {
-       if (einj_tab->header_length != sizeof(struct acpi_table_einj))
+       if ((einj_tab->header_length !=
+            (sizeof(struct acpi_table_einj) - sizeof(einj_tab->header)))
+           && (einj_tab->header_length != sizeof(struct acpi_table_einj)))
                return -EINVAL;
        if (einj_tab->header.length < sizeof(struct acpi_table_einj))
                return -EINVAL;
index 5281ddd..da1228a 100644 (file)
@@ -2,7 +2,7 @@
  * APEI Error Record Serialization Table debug support
  *
  * ERST is a way provided by APEI to save and retrieve hardware error
- * infomation to and from a persistent store. This file provide the
+ * information to and from a persistent store. This file provide the
  * debugging/testing support for ERST kernel support and firmware
  * implementation.
  *
@@ -111,11 +111,13 @@ retry:
                goto out;
        }
        if (len > erst_dbg_buf_len) {
-               kfree(erst_dbg_buf);
+               void *p;
                rc = -ENOMEM;
-               erst_dbg_buf = kmalloc(len, GFP_KERNEL);
-               if (!erst_dbg_buf)
+               p = kmalloc(len, GFP_KERNEL);
+               if (!p)
                        goto out;
+               kfree(erst_dbg_buf);
+               erst_dbg_buf = p;
                erst_dbg_buf_len = len;
                goto retry;
        }
@@ -150,11 +152,13 @@ static ssize_t erst_dbg_write(struct file *filp, const char __user *ubuf,
        if (mutex_lock_interruptible(&erst_dbg_mutex))
                return -EINTR;
        if (usize > erst_dbg_buf_len) {
-               kfree(erst_dbg_buf);
+               void *p;
                rc = -ENOMEM;
-               erst_dbg_buf = kmalloc(usize, GFP_KERNEL);
-               if (!erst_dbg_buf)
+               p = kmalloc(usize, GFP_KERNEL);
+               if (!p)
                        goto out;
+               kfree(erst_dbg_buf);
+               erst_dbg_buf = p;
                erst_dbg_buf_len = usize;
        }
        rc = copy_from_user(erst_dbg_buf, ubuf, usize);
index 18645f4..1211c03 100644 (file)
@@ -2,7 +2,7 @@
  * APEI Error Record Serialization Table support
  *
  * ERST is a way provided by APEI to save and retrieve hardware error
- * infomation to and from a persistent store.
+ * information to and from a persistent store.
  *
  * For more information about ERST, please refer to ACPI Specification
  * version 4.0, section 17.4.
@@ -266,13 +266,30 @@ static int erst_exec_move_data(struct apei_exec_context *ctx,
 {
        int rc;
        u64 offset;
+       void *src, *dst;
+
+       /* ioremap does not work in interrupt context */
+       if (in_interrupt()) {
+               pr_warning(ERST_PFX
+                          "MOVE_DATA can not be used in interrupt context");
+               return -EBUSY;
+       }
 
        rc = __apei_exec_read_register(entry, &offset);
        if (rc)
                return rc;
-       memmove((void *)ctx->dst_base + offset,
-               (void *)ctx->src_base + offset,
-               ctx->var2);
+
+       src = ioremap(ctx->src_base + offset, ctx->var2);
+       if (!src)
+               return -ENOMEM;
+       dst = ioremap(ctx->dst_base + offset, ctx->var2);
+       if (!dst)
+               return -ENOMEM;
+
+       memmove(dst, src, ctx->var2);
+
+       iounmap(src);
+       iounmap(dst);
 
        return 0;
 }
@@ -750,7 +767,9 @@ __setup("erst_disable", setup_erst_disable);
 
 static int erst_check_table(struct acpi_table_erst *erst_tab)
 {
-       if (erst_tab->header_length != sizeof(struct acpi_table_erst))
+       if ((erst_tab->header_length !=
+            (sizeof(struct acpi_table_erst) - sizeof(erst_tab->header)))
+           && (erst_tab->header_length != sizeof(struct acpi_table_einj)))
                return -EINVAL;
        if (erst_tab->header.length < sizeof(struct acpi_table_erst))
                return -EINVAL;
index 385a605..0d505e5 100644 (file)
@@ -302,7 +302,7 @@ static int __devinit ghes_probe(struct platform_device *ghes_dev)
        struct ghes *ghes = NULL;
        int rc = -EINVAL;
 
-       generic = ghes_dev->dev.platform_data;
+       generic = *(struct acpi_hest_generic **)ghes_dev->dev.platform_data;
        if (!generic->enabled)
                return -ENODEV;
 
index 343168d..1a3508a 100644 (file)
@@ -137,20 +137,23 @@ static int hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void *data)
 
 static int hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
 {
-       struct acpi_hest_generic *generic;
        struct platform_device *ghes_dev;
        struct ghes_arr *ghes_arr = data;
        int rc;
 
        if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR)
                return 0;
-       generic = (struct acpi_hest_generic *)hest_hdr;
-       if (!generic->enabled)
+
+       if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
                return 0;
        ghes_dev = platform_device_alloc("GHES", hest_hdr->source_id);
        if (!ghes_dev)
                return -ENOMEM;
-       ghes_dev->dev.platform_data = generic;
+
+       rc = platform_device_add_data(ghes_dev, &hest_hdr, sizeof(void *));
+       if (rc)
+               goto err;
+
        rc = platform_device_add(ghes_dev);
        if (rc)
                goto err;
index 8f8bd73..542e539 100644 (file)
@@ -142,7 +142,7 @@ static void __iomem *acpi_pre_map(phys_addr_t paddr,
        list_add_tail_rcu(&map->list, &acpi_iomaps);
        spin_unlock_irqrestore(&acpi_iomaps_lock, flags);
 
-       return vaddr + (paddr - pg_off);
+       return map->vaddr + (paddr - map->paddr);
 err_unmap:
        iounmap(vaddr);
        return NULL;
index dc58402..9841720 100644 (file)
@@ -273,7 +273,6 @@ static enum power_supply_property energy_battery_props[] = {
        POWER_SUPPLY_PROP_CYCLE_COUNT,
        POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
        POWER_SUPPLY_PROP_VOLTAGE_NOW,
-       POWER_SUPPLY_PROP_CURRENT_NOW,
        POWER_SUPPLY_PROP_POWER_NOW,
        POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
        POWER_SUPPLY_PROP_ENERGY_FULL,
index 2bb28b9..f761960 100644 (file)
@@ -183,6 +183,8 @@ static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
 {
        printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
        acpi_osi_setup("!Windows 2006");
+       acpi_osi_setup("!Windows 2006 SP1");
+       acpi_osi_setup("!Windows 2006 SP2");
        return 0;
 }
 static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
@@ -226,6 +228,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                },
        },
        {
+       .callback = dmi_disable_osi_vista,
+       .ident = "Toshiba Satellite L355",
+       .matches = {
+                    DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+                    DMI_MATCH(DMI_PRODUCT_VERSION, "Satellite L355"),
+               },
+       },
+       {
        .callback = dmi_disable_osi_win7,
        .ident = "ASUS K50IJ",
        .matches = {
@@ -233,6 +243,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                     DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
                },
        },
+       {
+       .callback = dmi_disable_osi_vista,
+       .ident = "Toshiba P305D",
+       .matches = {
+                    DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+                    DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P305D"),
+               },
+       },
 
        /*
         * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.
index 5c221ab..310e3b9 100644 (file)
@@ -55,7 +55,7 @@ EXPORT_SYMBOL(acpi_root_dir);
 static int set_power_nocheck(const struct dmi_system_id *id)
 {
        printk(KERN_NOTICE PREFIX "%s detected - "
-               "disable power check in power transistion\n", id->ident);
+               "disable power check in power transition\n", id->ident);
        acpi_power_nocheck = 1;
        return 0;
 }
@@ -80,23 +80,15 @@ static int set_copy_dsdt(const struct dmi_system_id *id)
 
 static struct dmi_system_id dsdt_dmi_table[] __initdata = {
        /*
-        * Insyde BIOS on some TOSHIBA machines corrupt the DSDT.
+        * Invoke DSDT corruption work-around on all Toshiba Satellite.
         * https://bugzilla.kernel.org/show_bug.cgi?id=14679
         */
        {
         .callback = set_copy_dsdt,
-        .ident = "TOSHIBA Satellite A505",
+        .ident = "TOSHIBA Satellite",
         .matches = {
                DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-               DMI_MATCH(DMI_PRODUCT_NAME, "Satellite A505"),
-               },
-       },
-       {
-        .callback = set_copy_dsdt,
-        .ident = "TOSHIBA Satellite L505D",
-        .matches = {
-               DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-               DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L505D"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "Satellite"),
                },
        },
        {}
@@ -1027,7 +1019,7 @@ static int __init acpi_init(void)
 
        /*
         * If the laptop falls into the DMI check table, the power state check
-        * will be disabled in the course of device power transistion.
+        * will be disabled in the course of device power transition.
         */
        dmi_check_system(power_nocheck_dmi_table);
 
index 8a3b840..d94d295 100644 (file)
@@ -369,7 +369,9 @@ static void __exit acpi_fan_exit(void)
 
        acpi_bus_unregister_driver(&acpi_fan_driver);
 
+#ifdef CONFIG_ACPI_PROCFS
        remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir);
+#endif
 
        return;
 }
index e9699aa..b618f88 100644 (file)
@@ -29,12 +29,6 @@ static int set_no_mwait(const struct dmi_system_id *id)
 
 static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
        {
-       set_no_mwait, "IFL91 board", {
-       DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
-       DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
-       DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
-       DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
-       {
        set_no_mwait, "Extensa 5220", {
        DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
index 1560218..347eb21 100644 (file)
@@ -850,7 +850,7 @@ static int __init acpi_processor_init(void)
                printk(KERN_DEBUG "ACPI: %s registered with cpuidle\n",
                        acpi_idle_driver.name);
        } else {
-               printk(KERN_DEBUG "ACPI: acpi_idle yielding to %s",
+               printk(KERN_DEBUG "ACPI: acpi_idle yielding to %s\n",
                        cpuidle_get_driver()->name);
        }
 
index ba1bd26..3a73a93 100644 (file)
@@ -447,8 +447,8 @@ int acpi_processor_notify_smm(struct module *calling_module)
        if (!try_module_get(calling_module))
                return -EINVAL;
 
-       /* is_done is set to negative if an error occured,
-        * and to postitive if _no_ error occured, but SMM
+       /* is_done is set to negative if an error occurred,
+        * and to postitive if _no_ error occurred, but SMM
         * was already notified. This avoids double notification
         * which might lead to unexpected results...
         */
index cf82989..4754ff6 100644 (file)
@@ -363,6 +363,12 @@ static int __init init_old_suspend_ordering(const struct dmi_system_id *d)
        return 0;
 }
 
+static int __init init_nvs_nosave(const struct dmi_system_id *d)
+{
+       acpi_nvs_nosave();
+       return 0;
+}
+
 static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
        {
        .callback = init_old_suspend_ordering,
@@ -397,6 +403,22 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
                DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
                },
        },
+       {
+       .callback = init_nvs_nosave,
+       .ident = "Sony Vaio VGN-SR11M",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+               DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SR11M"),
+               },
+       },
+       {
+       .callback = init_nvs_nosave,
+       .ident = "Everex StepNote Series",
+       .matches = {
+               DMI_MATCH(DMI_SYS_VENDOR, "Everex Systems, Inc."),
+               DMI_MATCH(DMI_PRODUCT_NAME, "Everex StepNote Series"),
+               },
+       },
        {},
 };
 #endif /* CONFIG_SUSPEND */
index 68e2e45..f8588f8 100644 (file)
@@ -100,7 +100,7 @@ static const struct acpi_dlevel acpi_debug_levels[] = {
        ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
 };
 
-static int param_get_debug_layer(char *buffer, struct kernel_param *kp)
+static int param_get_debug_layer(char *buffer, const struct kernel_param *kp)
 {
        int result = 0;
        int i;
@@ -128,7 +128,7 @@ static int param_get_debug_layer(char *buffer, struct kernel_param *kp)
        return result;
 }
 
-static int param_get_debug_level(char *buffer, struct kernel_param *kp)
+static int param_get_debug_level(char *buffer, const struct kernel_param *kp)
 {
        int result = 0;
        int i;
@@ -149,10 +149,18 @@ static int param_get_debug_level(char *buffer, struct kernel_param *kp)
        return result;
 }
 
-module_param_call(debug_layer, param_set_uint, param_get_debug_layer,
-                 &acpi_dbg_layer, 0644);
-module_param_call(debug_level, param_set_uint, param_get_debug_level,
-                 &acpi_dbg_level, 0644);
+static struct kernel_param_ops param_ops_debug_layer = {
+       .set = param_set_uint,
+       .get = param_get_debug_layer,
+};
+
+static struct kernel_param_ops param_ops_debug_level = {
+       .set = param_set_uint,
+       .get = param_get_debug_level,
+};
+
+module_param_cb(debug_layer, &param_ops_debug_layer, &acpi_dbg_layer, 0644);
+module_param_cb(debug_level, &param_ops_debug_level, &acpi_dbg_level, 0644);
 
 static char trace_method_name[6];
 module_param_string(trace_method_name, trace_method_name, 6, 0644);
index c5fef01..b836761 100644 (file)
@@ -59,8 +59,8 @@ acpi_backlight_cap_match(acpi_handle handle, u32 level, void *context,
                                  "support\n"));
                *cap |= ACPI_VIDEO_BACKLIGHT;
                if (ACPI_FAILURE(acpi_get_handle(handle, "_BQC", &h_dummy)))
-                       printk(KERN_WARNING FW_BUG PREFIX "ACPI brightness "
-                                       "control misses _BQC function\n");
+                       printk(KERN_WARNING FW_BUG PREFIX "No _BQC method, "
+                               "cannot determine initial brightness\n");
                /* We have backlight support, no need to scan further */
                return AE_CTRL_TERMINATE;
        }
index c2408bb..f508690 100644 (file)
@@ -80,7 +80,7 @@
  * Limiting Performance Impact
  * ---------------------------
  * C states, especially those with large exit latencies, can have a real
- * noticable impact on workloads, which is not acceptable for most sysadmins,
+ * noticeable impact on workloads, which is not acceptable for most sysadmins,
  * and in addition, less performance has a power price of its own.
  *
  * As a general rule of thumb, menu assumes that the following heuristic
index fb64cf3..eb6b54d 100644 (file)
@@ -580,7 +580,6 @@ static struct dma_async_tx_descriptor *sh_dmae_prep_slave_sg(
 
        sh_chan = to_sh_chan(chan);
        param = chan->private;
-       slave_addr = param->config->addr;
 
        /* Someone calling slave DMA on a public channel? */
        if (!param || !sg_len) {
@@ -589,6 +588,8 @@ static struct dma_async_tx_descriptor *sh_dmae_prep_slave_sg(
                return NULL;
        }
 
+       slave_addr = param->config->addr;
+
        /*
         * if (param != NULL), this is a successfully requested slave channel,
         * therefore param->config != NULL too.
index e0187d1..0fd5b85 100644 (file)
@@ -1140,6 +1140,7 @@ static struct mcidev_sysfs_attribute i7core_udimm_counters_attrs[] = {
        ATTR_COUNTER(0),
        ATTR_COUNTER(1),
        ATTR_COUNTER(2),
+       { .attr = { .name = NULL } }
 };
 
 static struct mcidev_sysfs_group i7core_udimm_counters = {
index bf92d07..5663d27 100644 (file)
@@ -148,7 +148,7 @@ int drm_gem_object_init(struct drm_device *dev,
                return -ENOMEM;
 
        kref_init(&obj->refcount);
-       kref_init(&obj->handlecount);
+       atomic_set(&obj->handle_count, 0);
        obj->size = size;
 
        atomic_inc(&dev->object_count);
@@ -462,28 +462,6 @@ drm_gem_object_free(struct kref *kref)
 }
 EXPORT_SYMBOL(drm_gem_object_free);
 
-/**
- * Called after the last reference to the object has been lost.
- * Must be called without holding struct_mutex
- *
- * Frees the object
- */
-void
-drm_gem_object_free_unlocked(struct kref *kref)
-{
-       struct drm_gem_object *obj = (struct drm_gem_object *) kref;
-       struct drm_device *dev = obj->dev;
-
-       if (dev->driver->gem_free_object_unlocked != NULL)
-               dev->driver->gem_free_object_unlocked(obj);
-       else if (dev->driver->gem_free_object != NULL) {
-               mutex_lock(&dev->struct_mutex);
-               dev->driver->gem_free_object(obj);
-               mutex_unlock(&dev->struct_mutex);
-       }
-}
-EXPORT_SYMBOL(drm_gem_object_free_unlocked);
-
 static void drm_gem_object_ref_bug(struct kref *list_kref)
 {
        BUG();
@@ -496,12 +474,8 @@ static void drm_gem_object_ref_bug(struct kref *list_kref)
  * called before drm_gem_object_free or we'll be touching
  * freed memory
  */
-void
-drm_gem_object_handle_free(struct kref *kref)
+void drm_gem_object_handle_free(struct drm_gem_object *obj)
 {
-       struct drm_gem_object *obj = container_of(kref,
-                                                 struct drm_gem_object,
-                                                 handlecount);
        struct drm_device *dev = obj->dev;
 
        /* Remove any name for this object */
@@ -528,6 +502,10 @@ void drm_gem_vm_open(struct vm_area_struct *vma)
        struct drm_gem_object *obj = vma->vm_private_data;
 
        drm_gem_object_reference(obj);
+
+       mutex_lock(&obj->dev->struct_mutex);
+       drm_vm_open_locked(vma);
+       mutex_unlock(&obj->dev->struct_mutex);
 }
 EXPORT_SYMBOL(drm_gem_vm_open);
 
@@ -535,7 +513,10 @@ void drm_gem_vm_close(struct vm_area_struct *vma)
 {
        struct drm_gem_object *obj = vma->vm_private_data;
 
-       drm_gem_object_unreference_unlocked(obj);
+       mutex_lock(&obj->dev->struct_mutex);
+       drm_vm_close_locked(vma);
+       drm_gem_object_unreference(obj);
+       mutex_unlock(&obj->dev->struct_mutex);
 }
 EXPORT_SYMBOL(drm_gem_vm_close);
 
index 2ef2c78..974e970 100644 (file)
@@ -255,7 +255,7 @@ int drm_gem_one_name_info(int id, void *ptr, void *data)
 
        seq_printf(m, "%6d %8zd %7d %8d\n",
                   obj->name, obj->size,
-                  atomic_read(&obj->handlecount.refcount),
+                  atomic_read(&obj->handle_count),
                   atomic_read(&obj->refcount.refcount));
        return 0;
 }
index fda6746..5df4506 100644 (file)
@@ -433,15 +433,7 @@ static void drm_vm_open(struct vm_area_struct *vma)
        mutex_unlock(&dev->struct_mutex);
 }
 
-/**
- * \c close method for all virtual memory types.
- *
- * \param vma virtual memory area.
- *
- * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
- * free it.
- */
-static void drm_vm_close(struct vm_area_struct *vma)
+void drm_vm_close_locked(struct vm_area_struct *vma)
 {
        struct drm_file *priv = vma->vm_file->private_data;
        struct drm_device *dev = priv->minor->dev;
@@ -451,7 +443,6 @@ static void drm_vm_close(struct vm_area_struct *vma)
                  vma->vm_start, vma->vm_end - vma->vm_start);
        atomic_dec(&dev->vma_count);
 
-       mutex_lock(&dev->struct_mutex);
        list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
                if (pt->vma == vma) {
                        list_del(&pt->head);
@@ -459,6 +450,23 @@ static void drm_vm_close(struct vm_area_struct *vma)
                        break;
                }
        }
+}
+
+/**
+ * \c close method for all virtual memory types.
+ *
+ * \param vma virtual memory area.
+ *
+ * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
+ * free it.
+ */
+static void drm_vm_close(struct vm_area_struct *vma)
+{
+       struct drm_file *priv = vma->vm_file->private_data;
+       struct drm_device *dev = priv->minor->dev;
+
+       mutex_lock(&dev->struct_mutex);
+       drm_vm_close_locked(vma);
        mutex_unlock(&dev->struct_mutex);
 }
 
index 61b4caf..fb07e73 100644 (file)
@@ -116,7 +116,7 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 static const struct file_operations i810_buffer_fops = {
        .open = drm_open,
        .release = drm_release,
-       .unlocked_ioctl = drm_ioctl,
+       .unlocked_ioctl = i810_ioctl,
        .mmap = i810_mmap_buffers,
        .fasync = drm_fasync,
 };
index 671aa18..cc92c7e 100644 (file)
@@ -118,7 +118,7 @@ static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 static const struct file_operations i830_buffer_fops = {
        .open = drm_open,
        .release = drm_release,
-       .unlocked_ioctl = drm_ioctl,
+       .unlocked_ioctl = i830_ioctl,
        .mmap = i830_mmap_buffers,
        .fasync = drm_fasync,
 };
index 9d67b48..c74e4e8 100644 (file)
@@ -1787,9 +1787,9 @@ unsigned long i915_chipset_val(struct drm_i915_private *dev_priv)
                }
        }
 
-       div_u64(diff, diff1);
+       diff = div_u64(diff, diff1);
        ret = ((m * diff) + c);
-       div_u64(ret, 10);
+       ret = div_u64(ret, 10);
 
        dev_priv->last_count1 = total_count;
        dev_priv->last_time1 = now;
@@ -1858,7 +1858,7 @@ void i915_update_gfx_val(struct drm_i915_private *dev_priv)
 
        /* More magic constants... */
        diff = diff * 1181;
-       div_u64(diff, diffms * 10);
+       diff = div_u64(diff, diffms * 10);
        dev_priv->gfx_power = diff;
 }
 
index bced9b2..90b1d67 100644 (file)
@@ -136,14 +136,12 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
                return -ENOMEM;
 
        ret = drm_gem_handle_create(file_priv, obj, &handle);
+       /* drop reference from allocate - handle holds it now */
+       drm_gem_object_unreference_unlocked(obj);
        if (ret) {
-               drm_gem_object_unreference_unlocked(obj);
                return ret;
        }
 
-       /* Sink the floating reference from kref_init(handlecount) */
-       drm_gem_object_handle_unreference_unlocked(obj);
-
        args->handle = handle;
        return 0;
 }
@@ -471,14 +469,17 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
                return -ENOENT;
        obj_priv = to_intel_bo(obj);
 
-       /* Bounds check source.
-        *
-        * XXX: This could use review for overflow issues...
-        */
-       if (args->offset > obj->size || args->size > obj->size ||
-           args->offset + args->size > obj->size) {
-               drm_gem_object_unreference_unlocked(obj);
-               return -EINVAL;
+       /* Bounds check source.  */
+       if (args->offset > obj->size || args->size > obj->size - args->offset) {
+               ret = -EINVAL;
+               goto err;
+       }
+
+       if (!access_ok(VERIFY_WRITE,
+                      (char __user *)(uintptr_t)args->data_ptr,
+                      args->size)) {
+               ret = -EFAULT;
+               goto err;
        }
 
        if (i915_gem_object_needs_bit17_swizzle(obj)) {
@@ -490,8 +491,8 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
                                                        file_priv);
        }
 
+err:
        drm_gem_object_unreference_unlocked(obj);
-
        return ret;
 }
 
@@ -580,8 +581,6 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev, struct drm_gem_object *obj,
 
        user_data = (char __user *) (uintptr_t) args->data_ptr;
        remain = args->size;
-       if (!access_ok(VERIFY_READ, user_data, remain))
-               return -EFAULT;
 
 
        mutex_lock(&dev->struct_mutex);
@@ -934,14 +933,17 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
                return -ENOENT;
        obj_priv = to_intel_bo(obj);
 
-       /* Bounds check destination.
-        *
-        * XXX: This could use review for overflow issues...
-        */
-       if (args->offset > obj->size || args->size > obj->size ||
-           args->offset + args->size > obj->size) {
-               drm_gem_object_unreference_unlocked(obj);
-               return -EINVAL;
+       /* Bounds check destination. */
+       if (args->offset > obj->size || args->size > obj->size - args->offset) {
+               ret = -EINVAL;
+               goto err;
+       }
+
+       if (!access_ok(VERIFY_READ,
+                      (char __user *)(uintptr_t)args->data_ptr,
+                      args->size)) {
+               ret = -EFAULT;
+               goto err;
        }
 
        /* We can only do the GTT pwrite on untiled buffers, as otherwise
@@ -975,8 +977,8 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
                DRM_INFO("pwrite failed %d\n", ret);
 #endif
 
+err:
        drm_gem_object_unreference_unlocked(obj);
-
        return ret;
 }
 
@@ -3258,6 +3260,8 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
                                  (int) reloc->offset,
                                  reloc->read_domains,
                                  reloc->write_domain);
+                       drm_gem_object_unreference(target_obj);
+                       i915_gem_object_unpin(obj);
                        return -EINVAL;
                }
                if (reloc->write_domain & I915_GEM_DOMAIN_CPU ||
index e85246e..5c428fa 100644 (file)
@@ -93,7 +93,7 @@ i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned alignmen
 {
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct list_head eviction_list, unwind_list;
-       struct drm_i915_gem_object *obj_priv, *tmp_obj_priv;
+       struct drm_i915_gem_object *obj_priv;
        struct list_head *render_iter, *bsd_iter;
        int ret = 0;
 
@@ -175,39 +175,34 @@ i915_gem_evict_something(struct drm_device *dev, int min_size, unsigned alignmen
        return -ENOSPC;
 
 found:
+       /* drm_mm doesn't allow any other other operations while
+        * scanning, therefore store to be evicted objects on a
+        * temporary list. */
        INIT_LIST_HEAD(&eviction_list);
-       list_for_each_entry_safe(obj_priv, tmp_obj_priv,
-                                &unwind_list, evict_list) {
+       while (!list_empty(&unwind_list)) {
+               obj_priv = list_first_entry(&unwind_list,
+                                           struct drm_i915_gem_object,
+                                           evict_list);
                if (drm_mm_scan_remove_block(obj_priv->gtt_space)) {
-                       /* drm_mm doesn't allow any other other operations while
-                        * scanning, therefore store to be evicted objects on a
-                        * temporary list. */
                        list_move(&obj_priv->evict_list, &eviction_list);
-               } else
-                       drm_gem_object_unreference(&obj_priv->base);
+                       continue;
+               }
+               list_del(&obj_priv->evict_list);
+               drm_gem_object_unreference(&obj_priv->base);
        }
 
        /* Unbinding will emit any required flushes */
-       list_for_each_entry_safe(obj_priv, tmp_obj_priv,
-                                &eviction_list, evict_list) {
-#if WATCH_LRU
-               DRM_INFO("%s: evicting %p\n", __func__, &obj_priv->base);
-#endif
-               ret = i915_gem_object_unbind(&obj_priv->base);
-               if (ret)
-                       return ret;
-
+       while (!list_empty(&eviction_list)) {
+               obj_priv = list_first_entry(&eviction_list,
+                                           struct drm_i915_gem_object,
+                                           evict_list);
+               if (ret == 0)
+                       ret = i915_gem_object_unbind(&obj_priv->base);
+               list_del(&obj_priv->evict_list);
                drm_gem_object_unreference(&obj_priv->base);
        }
 
-       /* The just created free hole should be on the top of the free stack
-        * maintained by drm_mm, so this BUG_ON actually executes in O(1).
-        * Furthermore all accessed data has just recently been used, so it
-        * should be really fast, too. */
-       BUG_ON(!drm_mm_search_free(&dev_priv->mm.gtt_space, min_size,
-                                  alignment, 0));
-
-       return 0;
+       return ret;
 }
 
 int
index b5bf51a..9792285 100644 (file)
@@ -1013,8 +1013,8 @@ void intel_wait_for_vblank(struct drm_device *dev, int pipe)
                DRM_DEBUG_KMS("vblank wait timed out\n");
 }
 
-/**
- * intel_wait_for_vblank_off - wait for vblank after disabling a pipe
+/*
+ * intel_wait_for_pipe_off - wait for pipe to turn off
  * @dev: drm device
  * @pipe: pipe to wait for
  *
@@ -1022,25 +1022,39 @@ void intel_wait_for_vblank(struct drm_device *dev, int pipe)
  * spinning on the vblank interrupt status bit, since we won't actually
  * see an interrupt when the pipe is disabled.
  *
- * So this function waits for the display line value to settle (it
- * usually ends up stopping at the start of the next frame).
+ * On Gen4 and above:
+ *   wait for the pipe register state bit to turn off
+ *
+ * Otherwise:
+ *   wait for the display line value to settle (it usually
+ *   ends up stopping at the start of the next frame).
+ *  
  */
-void intel_wait_for_vblank_off(struct drm_device *dev, int pipe)
+static void intel_wait_for_pipe_off(struct drm_device *dev, int pipe)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       int pipedsl_reg = (pipe == 0 ? PIPEADSL : PIPEBDSL);
-       unsigned long timeout = jiffies + msecs_to_jiffies(100);
-       u32 last_line;
-
-       /* Wait for the display line to settle */
-       do {
-               last_line = I915_READ(pipedsl_reg) & DSL_LINEMASK;
-               mdelay(5);
-       } while (((I915_READ(pipedsl_reg) & DSL_LINEMASK) != last_line) &&
-                time_after(timeout, jiffies));
-
-       if (time_after(jiffies, timeout))
-               DRM_DEBUG_KMS("vblank wait timed out\n");
+
+       if (INTEL_INFO(dev)->gen >= 4) {
+               int pipeconf_reg = (pipe == 0 ? PIPEACONF : PIPEBCONF);
+
+               /* Wait for the Pipe State to go off */
+               if (wait_for((I915_READ(pipeconf_reg) & I965_PIPECONF_ACTIVE) == 0,
+                            100, 0))
+                       DRM_DEBUG_KMS("pipe_off wait timed out\n");
+       } else {
+               u32 last_line;
+               int pipedsl_reg = (pipe == 0 ? PIPEADSL : PIPEBDSL);
+               unsigned long timeout = jiffies + msecs_to_jiffies(100);
+
+               /* Wait for the display line to settle */
+               do {
+                       last_line = I915_READ(pipedsl_reg) & DSL_LINEMASK;
+                       mdelay(5);
+               } while (((I915_READ(pipedsl_reg) & DSL_LINEMASK) != last_line) &&
+                        time_after(timeout, jiffies));
+               if (time_after(jiffies, timeout))
+                       DRM_DEBUG_KMS("pipe_off wait timed out\n");
+       }
 }
 
 /* Parameters have changed, update FBC info */
@@ -2328,13 +2342,13 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode)
                        I915_READ(dspbase_reg);
                }
 
-               /* Wait for vblank for the disable to take effect */
-               intel_wait_for_vblank_off(dev, pipe);
-
                /* Don't disable pipe A or pipe A PLLs if needed */
                if (pipeconf_reg == PIPEACONF &&
-                   (dev_priv->quirks & QUIRK_PIPEA_FORCE))
+                   (dev_priv->quirks & QUIRK_PIPEA_FORCE)) {
+                       /* Wait for vblank for the disable to take effect */
+                       intel_wait_for_vblank(dev, pipe);
                        goto skip_pipe_off;
+               }
 
                /* Next, disable display pipes */
                temp = I915_READ(pipeconf_reg);
@@ -2343,8 +2357,8 @@ static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode)
                        I915_READ(pipeconf_reg);
                }
 
-               /* Wait for vblank for the disable to take effect. */
-               intel_wait_for_vblank_off(dev, pipe);
+               /* Wait for the pipe to turn off */
+               intel_wait_for_pipe_off(dev, pipe);
 
                temp = I915_READ(dpll_reg);
                if ((temp & DPLL_VCO_ENABLE) != 0) {
index 1a51ee0..9ab8708 100644 (file)
@@ -1138,18 +1138,14 @@ static bool
 intel_dp_set_link_train(struct intel_dp *intel_dp,
                        uint32_t dp_reg_value,
                        uint8_t dp_train_pat,
-                       uint8_t train_set[4],
-                       bool first)
+                       uint8_t train_set[4])
 {
        struct drm_device *dev = intel_dp->base.enc.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_crtc *intel_crtc = to_intel_crtc(intel_dp->base.enc.crtc);
        int ret;
 
        I915_WRITE(intel_dp->output_reg, dp_reg_value);
        POSTING_READ(intel_dp->output_reg);
-       if (first)
-               intel_wait_for_vblank(dev, intel_crtc->pipe);
 
        intel_dp_aux_native_write_1(intel_dp,
                                    DP_TRAINING_PATTERN_SET,
@@ -1174,10 +1170,15 @@ intel_dp_link_train(struct intel_dp *intel_dp)
        uint8_t voltage;
        bool clock_recovery = false;
        bool channel_eq = false;
-       bool first = true;
        int tries;
        u32 reg;
        uint32_t DP = intel_dp->DP;
+       struct intel_crtc *intel_crtc = to_intel_crtc(intel_dp->base.enc.crtc);
+
+       /* Enable output, wait for it to become active */
+       I915_WRITE(intel_dp->output_reg, intel_dp->DP);
+       POSTING_READ(intel_dp->output_reg);
+       intel_wait_for_vblank(dev, intel_crtc->pipe);
 
        /* Write the link configuration data */
        intel_dp_aux_native_write(intel_dp, DP_LINK_BW_SET,
@@ -1210,9 +1211,8 @@ intel_dp_link_train(struct intel_dp *intel_dp)
                        reg = DP | DP_LINK_TRAIN_PAT_1;
 
                if (!intel_dp_set_link_train(intel_dp, reg,
-                                            DP_TRAINING_PATTERN_1, train_set, first))
+                                            DP_TRAINING_PATTERN_1, train_set))
                        break;
-               first = false;
                /* Set training pattern 1 */
 
                udelay(100);
@@ -1266,8 +1266,7 @@ intel_dp_link_train(struct intel_dp *intel_dp)
 
                /* channel eq pattern */
                if (!intel_dp_set_link_train(intel_dp, reg,
-                                            DP_TRAINING_PATTERN_2, train_set,
-                                            false))
+                                            DP_TRAINING_PATTERN_2, train_set))
                        break;
 
                udelay(400);
index ad312ca..8828b3a 100644 (file)
@@ -229,7 +229,6 @@ extern struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
                                                    struct drm_crtc *crtc);
 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
                                struct drm_file *file_priv);
-extern void intel_wait_for_vblank_off(struct drm_device *dev, int pipe);
 extern void intel_wait_for_vblank(struct drm_device *dev, int pipe);
 extern struct drm_crtc *intel_get_crtc_from_pipe(struct drm_device *dev, int pipe);
 extern struct drm_crtc *intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
index 7bdc962..56ad9df 100644 (file)
@@ -237,8 +237,10 @@ int intel_fbdev_destroy(struct drm_device *dev,
        drm_fb_helper_fini(&ifbdev->helper);
 
        drm_framebuffer_cleanup(&ifb->base);
-       if (ifb->obj)
+       if (ifb->obj) {
+               drm_gem_object_handle_unreference(ifb->obj);
                drm_gem_object_unreference(ifb->obj);
+       }
 
        return 0;
 }
index dbd30b2..d204771 100644 (file)
@@ -352,6 +352,7 @@ nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
 
        if (nouveau_fb->nvbo) {
                nouveau_bo_unmap(nouveau_fb->nvbo);
+               drm_gem_object_handle_unreference_unlocked(nouveau_fb->nvbo->gem);
                drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
                nouveau_fb->nvbo = NULL;
        }
index ead7b8f..19620a6 100644 (file)
@@ -167,11 +167,9 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
                goto out;
 
        ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
+       /* drop reference from allocate - handle holds it now */
+       drm_gem_object_unreference_unlocked(nvbo->gem);
 out:
-       drm_gem_object_handle_unreference_unlocked(nvbo->gem);
-
-       if (ret)
-               drm_gem_object_unreference_unlocked(nvbo->gem);
        return ret;
 }
 
index 3ec181f..3c9964a 100644 (file)
@@ -79,6 +79,7 @@ nouveau_notifier_takedown_channel(struct nouveau_channel *chan)
        mutex_lock(&dev->struct_mutex);
        nouveau_bo_unpin(chan->notifier_bo);
        mutex_unlock(&dev->struct_mutex);
+       drm_gem_object_handle_unreference_unlocked(chan->notifier_bo->gem);
        drm_gem_object_unreference_unlocked(chan->notifier_bo->gem);
        drm_mm_takedown(&chan->notifier_heap);
 }
index ddc3ade..7a04959 100644 (file)
@@ -3528,7 +3528,8 @@ void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
        /* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
         * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
         */
-       if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740)) {
+       if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
+           rdev->vram_scratch.ptr) {
                void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
                u32 tmp;
 
index ebae14c..68932ba 100644 (file)
@@ -317,6 +317,15 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
                        *connector_type = DRM_MODE_CONNECTOR_DVID;
        }
 
+       /* MSI K9A2GM V2/V3 board has no HDMI or DVI */
+       if ((dev->pdev->device == 0x796e) &&
+           (dev->pdev->subsystem_vendor == 0x1462) &&
+           (dev->pdev->subsystem_device == 0x7302)) {
+               if ((supported_device == ATOM_DEVICE_DFP2_SUPPORT) ||
+                   (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
+                       return false;
+       }
+
        /* a-bit f-i90hd - ciaranm on #radeonhd - this board has no DVI */
        if ((dev->pdev->device == 0x7941) &&
            (dev->pdev->subsystem_vendor == 0x147b) &&
index 127a395..b92d2f2 100644 (file)
@@ -349,6 +349,8 @@ static void radeon_print_display_setup(struct drm_device *dev)
                                        DRM_INFO("    DFP4: %s\n", encoder_names[radeon_encoder->encoder_id]);
                                if (devices & ATOM_DEVICE_DFP5_SUPPORT)
                                        DRM_INFO("    DFP5: %s\n", encoder_names[radeon_encoder->encoder_id]);
+                               if (devices & ATOM_DEVICE_DFP6_SUPPORT)
+                                       DRM_INFO("    DFP6: %s\n", encoder_names[radeon_encoder->encoder_id]);
                                if (devices & ATOM_DEVICE_TV1_SUPPORT)
                                        DRM_INFO("    TV1: %s\n", encoder_names[radeon_encoder->encoder_id]);
                                if (devices & ATOM_DEVICE_CV_SUPPORT)
@@ -841,8 +843,9 @@ static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
 {
        struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
 
-       if (radeon_fb->obj)
+       if (radeon_fb->obj) {
                drm_gem_object_unreference_unlocked(radeon_fb->obj);
+       }
        drm_framebuffer_cleanup(fb);
        kfree(radeon_fb);
 }
index c74a8b2..9cdf6a3 100644 (file)
@@ -94,8 +94,10 @@ static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
        ret = radeon_bo_reserve(rbo, false);
        if (likely(ret == 0)) {
                radeon_bo_kunmap(rbo);
+               radeon_bo_unpin(rbo);
                radeon_bo_unreserve(rbo);
        }
+       drm_gem_object_handle_unreference(gobj);
        drm_gem_object_unreference_unlocked(gobj);
 }
 
@@ -325,8 +327,6 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb
 {
        struct fb_info *info;
        struct radeon_framebuffer *rfb = &rfbdev->rfb;
-       struct radeon_bo *rbo;
-       int r;
 
        if (rfbdev->helper.fbdev) {
                info = rfbdev->helper.fbdev;
@@ -338,14 +338,8 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb
        }
 
        if (rfb->obj) {
-               rbo = rfb->obj->driver_private;
-               r = radeon_bo_reserve(rbo, false);
-               if (likely(r == 0)) {
-                       radeon_bo_kunmap(rbo);
-                       radeon_bo_unpin(rbo);
-                       radeon_bo_unreserve(rbo);
-               }
-               drm_gem_object_unreference_unlocked(rfb->obj);
+               radeonfb_destroy_pinned_object(rfb->obj);
+               rfb->obj = NULL;
        }
        drm_fb_helper_fini(&rfbdev->helper);
        drm_framebuffer_cleanup(&rfb->base);
index c578f26..d1e595d 100644 (file)
@@ -201,11 +201,11 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
                return r;
        }
        r = drm_gem_handle_create(filp, gobj, &handle);
+       /* drop reference from allocate - handle holds it now */
+       drm_gem_object_unreference_unlocked(gobj);
        if (r) {
-               drm_gem_object_unreference_unlocked(gobj);
                return r;
        }
-       drm_gem_object_handle_unreference_unlocked(gobj);
        args->handle = handle;
        return 0;
 }
index 72ec2e2..a96ed6d 100644 (file)
@@ -148,13 +148,16 @@ static struct pci_device_id vmw_pci_id_list[] = {
        {0, 0, 0}
 };
 
-static char *vmw_devname = "vmwgfx";
+static int enable_fbdev;
 
 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
 static void vmw_master_init(struct vmw_master *);
 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
                              void *ptr);
 
+MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
+module_param_named(enable_fbdev, enable_fbdev, int, 0600);
+
 static void vmw_print_capabilities(uint32_t capabilities)
 {
        DRM_INFO("Capabilities:\n");
@@ -192,8 +195,6 @@ static int vmw_request_device(struct vmw_private *dev_priv)
 {
        int ret;
 
-       vmw_kms_save_vga(dev_priv);
-
        ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
        if (unlikely(ret != 0)) {
                DRM_ERROR("Unable to initialize FIFO.\n");
@@ -206,9 +207,35 @@ static int vmw_request_device(struct vmw_private *dev_priv)
 static void vmw_release_device(struct vmw_private *dev_priv)
 {
        vmw_fifo_release(dev_priv, &dev_priv->fifo);
-       vmw_kms_restore_vga(dev_priv);
 }
 
+int vmw_3d_resource_inc(struct vmw_private *dev_priv)
+{
+       int ret = 0;
+
+       mutex_lock(&dev_priv->release_mutex);
+       if (unlikely(dev_priv->num_3d_resources++ == 0)) {
+               ret = vmw_request_device(dev_priv);
+               if (unlikely(ret != 0))
+                       --dev_priv->num_3d_resources;
+       }
+       mutex_unlock(&dev_priv->release_mutex);
+       return ret;
+}
+
+
+void vmw_3d_resource_dec(struct vmw_private *dev_priv)
+{
+       int32_t n3d;
+
+       mutex_lock(&dev_priv->release_mutex);
+       if (unlikely(--dev_priv->num_3d_resources == 0))
+               vmw_release_device(dev_priv);
+       n3d = (int32_t) dev_priv->num_3d_resources;
+       mutex_unlock(&dev_priv->release_mutex);
+
+       BUG_ON(n3d < 0);
+}
 
 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 {
@@ -228,6 +255,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
        dev_priv->last_read_sequence = (uint32_t) -100;
        mutex_init(&dev_priv->hw_mutex);
        mutex_init(&dev_priv->cmdbuf_mutex);
+       mutex_init(&dev_priv->release_mutex);
        rwlock_init(&dev_priv->resource_lock);
        idr_init(&dev_priv->context_idr);
        idr_init(&dev_priv->surface_idr);
@@ -244,6 +272,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
        dev_priv->vram_start = pci_resource_start(dev->pdev, 1);
        dev_priv->mmio_start = pci_resource_start(dev->pdev, 2);
 
+       dev_priv->enable_fb = enable_fbdev;
+
        mutex_lock(&dev_priv->hw_mutex);
 
        vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
@@ -343,17 +373,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 
        dev->dev_private = dev_priv;
 
-       if (!dev->devname)
-               dev->devname = vmw_devname;
-
-       if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
-               ret = drm_irq_install(dev);
-               if (unlikely(ret != 0)) {
-                       DRM_ERROR("Failed installing irq: %d\n", ret);
-                       goto out_no_irq;
-               }
-       }
-
        ret = pci_request_regions(dev->pdev, "vmwgfx probe");
        dev_priv->stealth = (ret != 0);
        if (dev_priv->stealth) {
@@ -369,26 +388,52 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                        goto out_no_device;
                }
        }
-       ret = vmw_request_device(dev_priv);
+       ret = vmw_kms_init(dev_priv);
        if (unlikely(ret != 0))
-               goto out_no_device;
-       vmw_kms_init(dev_priv);
+               goto out_no_kms;
        vmw_overlay_init(dev_priv);
-       vmw_fb_init(dev_priv);
+       if (dev_priv->enable_fb) {
+               ret = vmw_3d_resource_inc(dev_priv);
+               if (unlikely(ret != 0))
+                       goto out_no_fifo;
+               vmw_kms_save_vga(dev_priv);
+               vmw_fb_init(dev_priv);
+               DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ?
+                        "Detected device 3D availability.\n" :
+                        "Detected no device 3D availability.\n");
+       } else {
+               DRM_INFO("Delayed 3D detection since we're not "
+                        "running the device in SVGA mode yet.\n");
+       }
+
+       if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
+               ret = drm_irq_install(dev);
+               if (unlikely(ret != 0)) {
+                       DRM_ERROR("Failed installing irq: %d\n", ret);
+                       goto out_no_irq;
+               }
+       }
 
        dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
        register_pm_notifier(&dev_priv->pm_nb);
 
-       DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ? "Have 3D\n" : "No 3D\n");
-
        return 0;
 
-out_no_device:
-       if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
-               drm_irq_uninstall(dev_priv->dev);
-       if (dev->devname == vmw_devname)
-               dev->devname = NULL;
 out_no_irq:
+       if (dev_priv->enable_fb) {
+               vmw_fb_close(dev_priv);
+               vmw_kms_restore_vga(dev_priv);
+               vmw_3d_resource_dec(dev_priv);
+       }
+out_no_fifo:
+       vmw_overlay_close(dev_priv);
+       vmw_kms_close(dev_priv);
+out_no_kms:
+       if (dev_priv->stealth)
+               pci_release_region(dev->pdev, 2);
+       else
+               pci_release_regions(dev->pdev);
+out_no_device:
        ttm_object_device_release(&dev_priv->tdev);
 out_err4:
        iounmap(dev_priv->mmio_virt);
@@ -415,19 +460,20 @@ static int vmw_driver_unload(struct drm_device *dev)
 
        unregister_pm_notifier(&dev_priv->pm_nb);
 
-       vmw_fb_close(dev_priv);
+       if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
+               drm_irq_uninstall(dev_priv->dev);
+       if (dev_priv->enable_fb) {
+               vmw_fb_close(dev_priv);
+               vmw_kms_restore_vga(dev_priv);
+               vmw_3d_resource_dec(dev_priv);
+       }
        vmw_kms_close(dev_priv);
        vmw_overlay_close(dev_priv);
-       vmw_release_device(dev_priv);
        if (dev_priv->stealth)
                pci_release_region(dev->pdev, 2);
        else
                pci_release_regions(dev->pdev);
 
-       if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
-               drm_irq_uninstall(dev_priv->dev);
-       if (dev->devname == vmw_devname)
-               dev->devname = NULL;
        ttm_object_device_release(&dev_priv->tdev);
        iounmap(dev_priv->mmio_virt);
        drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
@@ -500,7 +546,7 @@ static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
                struct drm_ioctl_desc *ioctl =
                    &vmw_ioctls[nr - DRM_COMMAND_BASE];
 
-               if (unlikely(ioctl->cmd != cmd)) {
+               if (unlikely(ioctl->cmd_drv != cmd)) {
                        DRM_ERROR("Invalid command format, ioctl %d\n",
                                  nr - DRM_COMMAND_BASE);
                        return -EINVAL;
@@ -589,6 +635,16 @@ static int vmw_master_set(struct drm_device *dev,
        struct vmw_master *vmaster = vmw_master(file_priv->master);
        int ret = 0;
 
+       if (!dev_priv->enable_fb) {
+               ret = vmw_3d_resource_inc(dev_priv);
+               if (unlikely(ret != 0))
+                       return ret;
+               vmw_kms_save_vga(dev_priv);
+               mutex_lock(&dev_priv->hw_mutex);
+               vmw_write(dev_priv, SVGA_REG_TRACES, 0);
+               mutex_unlock(&dev_priv->hw_mutex);
+       }
+
        if (active) {
                BUG_ON(active != &dev_priv->fbdev_master);
                ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
@@ -617,7 +673,13 @@ static int vmw_master_set(struct drm_device *dev,
        return 0;
 
 out_no_active_lock:
-       vmw_release_device(dev_priv);
+       if (!dev_priv->enable_fb) {
+               mutex_lock(&dev_priv->hw_mutex);
+               vmw_write(dev_priv, SVGA_REG_TRACES, 1);
+               mutex_unlock(&dev_priv->hw_mutex);
+               vmw_kms_restore_vga(dev_priv);
+               vmw_3d_resource_dec(dev_priv);
+       }
        return ret;
 }
 
@@ -645,11 +707,23 @@ static void vmw_master_drop(struct drm_device *dev,
 
        ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 
+       if (!dev_priv->enable_fb) {
+               ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
+               if (unlikely(ret != 0))
+                       DRM_ERROR("Unable to clean VRAM on master drop.\n");
+               mutex_lock(&dev_priv->hw_mutex);
+               vmw_write(dev_priv, SVGA_REG_TRACES, 1);
+               mutex_unlock(&dev_priv->hw_mutex);
+               vmw_kms_restore_vga(dev_priv);
+               vmw_3d_resource_dec(dev_priv);
+       }
+
        dev_priv->active_master = &dev_priv->fbdev_master;
        ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
        ttm_vt_unlock(&dev_priv->fbdev_master.lock);
 
-       vmw_fb_on(dev_priv);
+       if (dev_priv->enable_fb)
+               vmw_fb_on(dev_priv);
 }
 
 
@@ -722,6 +796,7 @@ static struct drm_driver driver = {
        .irq_postinstall = vmw_irq_postinstall,
        .irq_uninstall = vmw_irq_uninstall,
        .irq_handler = vmw_irq_handler,
+       .get_vblank_counter = vmw_get_vblank_counter,
        .reclaim_buffers_locked = NULL,
        .get_map_ofs = drm_core_get_map_ofs,
        .get_reg_ofs = drm_core_get_reg_ofs,
index 429f917..58de639 100644 (file)
@@ -277,6 +277,7 @@ struct vmw_private {
 
        bool stealth;
        bool is_opened;
+       bool enable_fb;
 
        /**
         * Master management.
@@ -285,6 +286,9 @@ struct vmw_private {
        struct vmw_master *active_master;
        struct vmw_master fbdev_master;
        struct notifier_block pm_nb;
+
+       struct mutex release_mutex;
+       uint32_t num_3d_resources;
 };
 
 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
@@ -319,6 +323,9 @@ static inline uint32_t vmw_read(struct vmw_private *dev_priv,
        return val;
 }
 
+int vmw_3d_resource_inc(struct vmw_private *dev_priv);
+void vmw_3d_resource_dec(struct vmw_private *dev_priv);
+
 /**
  * GMR utilities - vmwgfx_gmr.c
  */
@@ -511,6 +518,7 @@ void vmw_kms_write_svga(struct vmw_private *vmw_priv,
                        unsigned bbp, unsigned depth);
 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
                                struct drm_file *file_priv);
+u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 
 /**
  * Overlay control - vmwgfx_overlay.c
index 870967a..409e172 100644 (file)
@@ -615,6 +615,11 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
        if (unlikely(ret != 0))
                goto err_unlock;
 
+       if (bo->mem.mem_type == TTM_PL_VRAM &&
+           bo->mem.mm_node->start < bo->num_pages)
+               (void) ttm_bo_validate(bo, &vmw_sys_placement, false,
+                                      false, false);
+
        ret = ttm_bo_validate(bo, &ne_placement, false, false, false);
 
        /* Could probably bug on */
index e6a1eb7..0fe3176 100644 (file)
@@ -106,6 +106,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
        mutex_lock(&dev_priv->hw_mutex);
        dev_priv->enable_state = vmw_read(dev_priv, SVGA_REG_ENABLE);
        dev_priv->config_done_state = vmw_read(dev_priv, SVGA_REG_CONFIG_DONE);
+       dev_priv->traces_state = vmw_read(dev_priv, SVGA_REG_TRACES);
        vmw_write(dev_priv, SVGA_REG_ENABLE, 1);
 
        min = 4;
@@ -175,6 +176,8 @@ void vmw_fifo_release(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
                  dev_priv->config_done_state);
        vmw_write(dev_priv, SVGA_REG_ENABLE,
                  dev_priv->enable_state);
+       vmw_write(dev_priv, SVGA_REG_TRACES,
+                 dev_priv->traces_state);
 
        mutex_unlock(&dev_priv->hw_mutex);
        vmw_fence_queue_takedown(&fifo->fence_queue);
index 64d7f47..e882ba0 100644 (file)
@@ -898,7 +898,19 @@ int vmw_kms_save_vga(struct vmw_private *vmw_priv)
                save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
                save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
                vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
+               if (i == 0 && vmw_priv->num_displays == 1 &&
+                   save->width == 0 && save->height == 0) {
+
+                       /*
+                        * It should be fairly safe to assume that these
+                        * values are uninitialized.
+                        */
+
+                       save->width = vmw_priv->vga_width - save->pos_x;
+                       save->height = vmw_priv->vga_height - save->pos_y;
+               }
        }
+
        return 0;
 }
 
@@ -984,3 +996,8 @@ out_unlock:
        ttm_read_unlock(&vmaster->lock);
        return ret;
 }
+
+u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+       return 0;
+}
index 7083b1a..11cb39e 100644 (file)
@@ -27,6 +27,8 @@
 
 #include "vmwgfx_kms.h"
 
+#define VMWGFX_LDU_NUM_DU 8
+
 #define vmw_crtc_to_ldu(x) \
        container_of(x, struct vmw_legacy_display_unit, base.crtc)
 #define vmw_encoder_to_ldu(x) \
@@ -536,6 +538,10 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
 
 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
 {
+       struct drm_device *dev = dev_priv->dev;
+       int i;
+       int ret;
+
        if (dev_priv->ldu_priv) {
                DRM_INFO("ldu system already on\n");
                return -EINVAL;
@@ -553,23 +559,24 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
 
        drm_mode_create_dirty_info_property(dev_priv->dev);
 
-       vmw_ldu_init(dev_priv, 0);
-       /* for old hardware without multimon only enable one display */
        if (dev_priv->capabilities & SVGA_CAP_MULTIMON) {
-               vmw_ldu_init(dev_priv, 1);
-               vmw_ldu_init(dev_priv, 2);
-               vmw_ldu_init(dev_priv, 3);
-               vmw_ldu_init(dev_priv, 4);
-               vmw_ldu_init(dev_priv, 5);
-               vmw_ldu_init(dev_priv, 6);
-               vmw_ldu_init(dev_priv, 7);
+               for (i = 0; i < VMWGFX_LDU_NUM_DU; ++i)
+                       vmw_ldu_init(dev_priv, i);
+               ret = drm_vblank_init(dev, VMWGFX_LDU_NUM_DU);
+       } else {
+               /* for old hardware without multimon only enable one display */
+               vmw_ldu_init(dev_priv, 0);
+               ret = drm_vblank_init(dev, 1);
        }
 
-       return 0;
+       return ret;
 }
 
 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv)
 {
+       struct drm_device *dev = dev_priv->dev;
+
+       drm_vblank_cleanup(dev);
        if (!dev_priv->ldu_priv)
                return -ENOSYS;
 
index 5f2d5df..c8c40e9 100644 (file)
@@ -211,6 +211,7 @@ static void vmw_hw_context_destroy(struct vmw_resource *res)
        cmd->body.cid = cpu_to_le32(res->id);
 
        vmw_fifo_commit(dev_priv, sizeof(*cmd));
+       vmw_3d_resource_dec(dev_priv);
 }
 
 static int vmw_context_init(struct vmw_private *dev_priv,
@@ -247,6 +248,7 @@ static int vmw_context_init(struct vmw_private *dev_priv,
        cmd->body.cid = cpu_to_le32(res->id);
 
        vmw_fifo_commit(dev_priv, sizeof(*cmd));
+       (void) vmw_3d_resource_inc(dev_priv);
        vmw_resource_activate(res, vmw_hw_context_destroy);
        return 0;
 }
@@ -406,6 +408,7 @@ static void vmw_hw_surface_destroy(struct vmw_resource *res)
        cmd->body.sid = cpu_to_le32(res->id);
 
        vmw_fifo_commit(dev_priv, sizeof(*cmd));
+       vmw_3d_resource_dec(dev_priv);
 }
 
 void vmw_surface_res_free(struct vmw_resource *res)
@@ -473,6 +476,7 @@ int vmw_surface_init(struct vmw_private *dev_priv,
        }
 
        vmw_fifo_commit(dev_priv, submit_size);
+       (void) vmw_3d_resource_inc(dev_priv);
        vmw_resource_activate(res, vmw_hw_surface_destroy);
        return 0;
 }
index 537841e..75afb3b 100644 (file)
@@ -111,7 +111,7 @@ static struct platform_device *f71882fg_pdev;
 /* Super-I/O Function prototypes */
 static inline int superio_inb(int base, int reg);
 static inline int superio_inw(int base, int reg);
-static inline void superio_enter(int base);
+static inline int superio_enter(int base);
 static inline void superio_select(int base, int ld);
 static inline void superio_exit(int base);
 
@@ -861,11 +861,20 @@ static int superio_inw(int base, int reg)
        return val;
 }
 
-static inline void superio_enter(int base)
+static inline int superio_enter(int base)
 {
+       /* Don't step on other drivers' I/O space by accident */
+       if (!request_muxed_region(base, 2, DRVNAME)) {
+               printk(KERN_ERR DRVNAME ": I/O address 0x%04x already in use\n",
+                               base);
+               return -EBUSY;
+       }
+
        /* according to the datasheet the key must be send twice! */
        outb(SIO_UNLOCK_KEY, base);
        outb(SIO_UNLOCK_KEY, base);
+
+       return 0;
 }
 
 static inline void superio_select(int base, int ld)
@@ -877,6 +886,7 @@ static inline void superio_select(int base, int ld)
 static inline void superio_exit(int base)
 {
        outb(SIO_LOCK_KEY, base);
+       release_region(base, 2);
 }
 
 static inline int fan_from_reg(u16 reg)
@@ -2175,21 +2185,15 @@ static int f71882fg_remove(struct platform_device *pdev)
 static int __init f71882fg_find(int sioaddr, unsigned short *address,
        struct f71882fg_sio_data *sio_data)
 {
-       int err = -ENODEV;
        u16 devid;
-
-       /* Don't step on other drivers' I/O space by accident */
-       if (!request_region(sioaddr, 2, DRVNAME)) {
-               printk(KERN_ERR DRVNAME ": I/O address 0x%04x already in use\n",
-                               (int)sioaddr);
-               return -EBUSY;
-       }
-
-       superio_enter(sioaddr);
+       int err = superio_enter(sioaddr);
+       if (err)
+               return err;
 
        devid = superio_inw(sioaddr, SIO_REG_MANID);
        if (devid != SIO_FINTEK_ID) {
                pr_debug(DRVNAME ": Not a Fintek device\n");
+               err = -ENODEV;
                goto exit;
        }
 
@@ -2213,6 +2217,7 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
        default:
                printk(KERN_INFO DRVNAME ": Unsupported Fintek device: %04x\n",
                       (unsigned int)devid);
+               err = -ENODEV;
                goto exit;
        }
 
@@ -2223,12 +2228,14 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
 
        if (!(superio_inb(sioaddr, SIO_REG_ENABLE) & 0x01)) {
                printk(KERN_WARNING DRVNAME ": Device not activated\n");
+               err = -ENODEV;
                goto exit;
        }
 
        *address = superio_inw(sioaddr, SIO_REG_ADDR);
        if (*address == 0) {
                printk(KERN_WARNING DRVNAME ": Base address not set\n");
+               err = -ENODEV;
                goto exit;
        }
        *address &= ~(REGION_LENGTH - 1);       /* Ignore 3 LSB */
@@ -2239,7 +2246,6 @@ static int __init f71882fg_find(int sioaddr, unsigned short *address,
                (int)superio_inb(sioaddr, SIO_REG_DEVREV));
 exit:
        superio_exit(sioaddr);
-       release_region(sioaddr, 2);
        return err;
 }
 
index 2222c87..b8feac5 100644 (file)
@@ -357,9 +357,6 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
 
        dev->terminate = 0;
 
-       /* write the data into mode register */
-       davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
-
        /*
         * First byte should be set here, not after interrupt,
         * because transmit-data-ready interrupt can come before
@@ -371,6 +368,9 @@ i2c_davinci_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, int stop)
                dev->buf_len--;
        }
 
+       /* write the data into mode register; start transmitting */
+       davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, flag);
+
        r = wait_for_completion_interruptible_timeout(&dev->cmd_complete,
                                                      dev->adapter.timeout);
        if (r == 0) {
index 0e9f85d..56dbe54 100644 (file)
@@ -218,7 +218,7 @@ static int octeon_i2c_wait(struct octeon_i2c *i2c)
                return result;
        } else if (result == 0) {
                dev_dbg(i2c->dev, "%s: timeout\n", __func__);
-               result = -ETIMEDOUT;
+               return -ETIMEDOUT;
        }
 
        return 0;
index 72902e0..bf831bf 100644 (file)
@@ -662,8 +662,8 @@ static int s3c24xx_i2c_clockrate(struct s3c24xx_i2c *i2c, unsigned int *got)
                unsigned long sda_delay;
 
                if (pdata->sda_delay) {
-                       sda_delay = (freq / 1000) * pdata->sda_delay;
-                       sda_delay /= 1000000;
+                       sda_delay = clkin * pdata->sda_delay;
+                       sda_delay = DIV_ROUND_UP(sda_delay, 1000000);
                        sda_delay = DIV_ROUND_UP(sda_delay, 5);
                        if (sda_delay > 3)
                                sda_delay = 3;
old mode 100755 (executable)
new mode 100644 (file)
index a10152b..0906fc5
@@ -83,7 +83,7 @@ static unsigned int mwait_substates;
 /* Reliable LAPIC Timer States, bit 1 for C1 etc.  */
 static unsigned int lapic_timer_reliable_states;
 
-static struct cpuidle_device *intel_idle_cpuidle_devices;
+static struct cpuidle_device __percpu *intel_idle_cpuidle_devices;
 static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state);
 
 static struct cpuidle_state *cpuidle_state_table;
@@ -108,7 +108,7 @@ static struct cpuidle_state nehalem_cstates[MWAIT_MAX_NUM_CSTATES] = {
                .name = "NHM-C3",
                .desc = "MWAIT 0x10",
                .driver_data = (void *) 0x10,
-               .flags = CPUIDLE_FLAG_TIME_VALID,
+               .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
                .exit_latency = 20,
                .power_usage = 500,
                .target_residency = 80,
@@ -117,7 +117,7 @@ static struct cpuidle_state nehalem_cstates[MWAIT_MAX_NUM_CSTATES] = {
                .name = "NHM-C6",
                .desc = "MWAIT 0x20",
                .driver_data = (void *) 0x20,
-               .flags = CPUIDLE_FLAG_TIME_VALID,
+               .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
                .exit_latency = 200,
                .power_usage = 350,
                .target_residency = 800,
@@ -149,7 +149,7 @@ static struct cpuidle_state atom_cstates[MWAIT_MAX_NUM_CSTATES] = {
                .name = "ATM-C4",
                .desc = "MWAIT 0x30",
                .driver_data = (void *) 0x30,
-               .flags = CPUIDLE_FLAG_TIME_VALID,
+               .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
                .exit_latency = 100,
                .power_usage = 250,
                .target_residency = 400,
@@ -159,7 +159,7 @@ static struct cpuidle_state atom_cstates[MWAIT_MAX_NUM_CSTATES] = {
                .name = "ATM-C6",
                .desc = "MWAIT 0x40",
                .driver_data = (void *) 0x40,
-               .flags = CPUIDLE_FLAG_TIME_VALID,
+               .flags = CPUIDLE_FLAG_TIME_VALID | CPUIDLE_FLAG_TLB_FLUSHED,
                .exit_latency = 200,
                .power_usage = 150,
                .target_residency = 800,
@@ -185,6 +185,16 @@ static int intel_idle(struct cpuidle_device *dev, struct cpuidle_state *state)
 
        local_irq_disable();
 
+       /*
+        * If the state flag indicates that the TLB will be flushed or if this
+        * is the deepest c-state supported, do a voluntary leave mm to avoid
+        * costly and mostly unnecessary wakeups for flushing the user TLB's
+        * associated with the active mm.
+        */
+       if (state->flags & CPUIDLE_FLAG_TLB_FLUSHED ||
+           (&dev->states[dev->state_count - 1] == state))
+               leave_mm(cpu);
+
        if (!(lapic_timer_reliable_states & (1 << (cstate))))
                clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu);
 
index 04028a9..428377a 100644 (file)
@@ -429,24 +429,25 @@ static void max8925_irq_sync_unlock(unsigned int irq)
        irq_tsc = cache_tsc;
        for (i = 0; i < ARRAY_SIZE(max8925_irqs); i++) {
                irq_data = &max8925_irqs[i];
+               /* 1 -- disable, 0 -- enable */
                switch (irq_data->mask_reg) {
                case MAX8925_CHG_IRQ1_MASK:
-                       irq_chg[0] &= irq_data->enable;
+                       irq_chg[0] &= ~irq_data->enable;
                        break;
                case MAX8925_CHG_IRQ2_MASK:
-                       irq_chg[1] &= irq_data->enable;
+                       irq_chg[1] &= ~irq_data->enable;
                        break;
                case MAX8925_ON_OFF_IRQ1_MASK:
-                       irq_on[0] &= irq_data->enable;
+                       irq_on[0] &= ~irq_data->enable;
                        break;
                case MAX8925_ON_OFF_IRQ2_MASK:
-                       irq_on[1] &= irq_data->enable;
+                       irq_on[1] &= ~irq_data->enable;
                        break;
                case MAX8925_RTC_IRQ_MASK:
-                       irq_rtc &= irq_data->enable;
+                       irq_rtc &= ~irq_data->enable;
                        break;
                case MAX8925_TSC_IRQ_MASK:
-                       irq_tsc &= irq_data->enable;
+                       irq_tsc &= ~irq_data->enable;
                        break;
                default:
                        dev_err(chip->dev, "wrong IRQ\n");
index 7dabe4d..294183b 100644 (file)
@@ -394,8 +394,13 @@ static int wm831x_irq_set_type(unsigned int irq, unsigned int type)
 
        irq = irq - wm831x->irq_base;
 
-       if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11)
-               return -EINVAL;
+       if (irq < WM831X_IRQ_GPIO_1 || irq > WM831X_IRQ_GPIO_11) {
+               /* Ignore internal-only IRQs */
+               if (irq >= 0 && irq < WM831X_NUM_IRQS)
+                       return 0;
+               else
+                       return -EINVAL;
+       }
 
        switch (type) {
        case IRQ_TYPE_EDGE_BOTH:
index 133d515..513e0a7 100644 (file)
@@ -413,7 +413,7 @@ static inline int omap_nand_dma_transfer(struct mtd_info *mtd, void *addr,
                prefetch_status = gpmc_read_status(GPMC_PREFETCH_COUNT);
        } while (prefetch_status);
        /* disable and stop the PFPW engine */
-       gpmc_prefetch_reset();
+       gpmc_prefetch_reset(info->gpmc_cs);
 
        dma_unmap_single(&info->pdev->dev, dma_addr, len, dir);
        return 0;
index 9dd9e64..8fd00a6 100644 (file)
@@ -1411,7 +1411,7 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
        clear_bit(STATUS_SCAN_HW, &priv->status);
        clear_bit(STATUS_SCANNING, &priv->status);
        /* inform mac80211 scan aborted */
-       queue_work(priv->workqueue, &priv->scan_completed);
+       queue_work(priv->workqueue, &priv->abort_scan);
 }
 
 int iwlagn_manage_ibss_station(struct iwl_priv *priv,
index 59a308b..d31661c 100644 (file)
@@ -3018,7 +3018,7 @@ void iwl3945_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
        clear_bit(STATUS_SCANNING, &priv->status);
 
        /* inform mac80211 scan aborted */
-       queue_work(priv->workqueue, &priv->scan_completed);
+       queue_work(priv->workqueue, &priv->abort_scan);
 }
 
 static void iwl3945_bg_restart(struct work_struct *data)
index 89ed181..857ae01 100644 (file)
@@ -163,6 +163,26 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_2,       quirk_isa_d
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC,     PCI_DEVICE_ID_NEC_CBUS_3,       quirk_isa_dma_hangs);
 
 /*
+ * Intel NM10 "TigerPoint" LPC PM1a_STS.BM_STS must be clear
+ * for some HT machines to use C4 w/o hanging.
+ */
+static void __devinit quirk_tigerpoint_bm_sts(struct pci_dev *dev)
+{
+       u32 pmbase;
+       u16 pm1a;
+
+       pci_read_config_dword(dev, 0x40, &pmbase);
+       pmbase = pmbase & 0xff80;
+       pm1a = inw(pmbase);
+
+       if (pm1a & 0x10) {
+               dev_info(&dev->dev, FW_BUG "TigerPoint LPC.BM_STS cleared\n");
+               outw(0x10, pmbase);
+       }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGP_LPC, quirk_tigerpoint_bm_sts);
+
+/*
  *     Chipsets where PCI->PCI transfers vanish or hang
  */
 static void __devinit quirk_nopcipci(struct pci_dev *dev)
index 422a709..cc8b337 100644 (file)
@@ -700,7 +700,7 @@ static void print_constraints(struct regulator_dev *rdev)
            constraints->min_uA != constraints->max_uA) {
                ret = _regulator_get_current_limit(rdev);
                if (ret > 0)
-                       count += sprintf(buf + count, "at %d uA ", ret / 1000);
+                       count += sprintf(buf + count, "at %d mA ", ret / 1000);
        }
 
        if (constraints->valid_modes_mask & REGULATOR_MODE_FAST)
@@ -2302,8 +2302,10 @@ struct regulator_dev *regulator_register(struct regulator_desc *regulator_desc,
        dev_set_name(&rdev->dev, "regulator.%d",
                     atomic_inc_return(&regulator_no) - 1);
        ret = device_register(&rdev->dev);
-       if (ret != 0)
+       if (ret != 0) {
+               put_device(&rdev->dev);
                goto clean;
+       }
 
        dev_set_drvdata(&rdev->dev, rdev);
 
index 4520ace..6b60a9c 100644 (file)
@@ -330,7 +330,7 @@ static int __devinit max8649_regulator_probe(struct i2c_client *client,
                /* set external clock frequency */
                info->extclk_freq = pdata->extclk_freq;
                max8649_set_bits(info->i2c, MAX8649_SYNC, MAX8649_EXT_MASK,
-                                info->extclk_freq);
+                                info->extclk_freq << 6);
        }
 
        if (pdata->ramp_timing) {
index 324c385..5dff45c 100644 (file)
@@ -27,6 +27,7 @@
 #include <linux/init.h>
 #include <linux/console.h>
 #include <linux/sysrq.h>
+#include <linux/slab.h>
 #include <linux/serial_reg.h>
 #include <linux/circ_buf.h>
 #include <linux/delay.h>
index f6ad1ec..51c15f5 100644 (file)
@@ -29,6 +29,7 @@
 
 #include <linux/module.h>
 #include <linux/ioport.h>
+#include <linux/irq.h>
 #include <linux/init.h>
 #include <linux/console.h>
 #include <linux/sysrq.h>
index 0bcf4c1..b5a78a1 100644 (file)
@@ -23,6 +23,7 @@
 #include <linux/init.h>
 #include <linux/cache.h>
 #include <linux/mutex.h>
+#include <linux/of_device.h>
 #include <linux/slab.h>
 #include <linux/mod_devicetable.h>
 #include <linux/spi/spi.h>
@@ -86,6 +87,10 @@ static int spi_match_device(struct device *dev, struct device_driver *drv)
        const struct spi_device *spi = to_spi_device(dev);
        const struct spi_driver *sdrv = to_spi_driver(drv);
 
+       /* Attempt an OF style match */
+       if (of_driver_match_device(dev, drv))
+               return 1;
+
        if (sdrv->id_table)
                return !!spi_match_id(sdrv->id_table, spi);
 
index e24a634..63e51b0 100644 (file)
@@ -350,7 +350,7 @@ static int __init spi_gpio_probe(struct platform_device *pdev)
        spi_gpio->bitbang.master = spi_master_get(master);
        spi_gpio->bitbang.chipselect = spi_gpio_chipselect;
 
-       if ((master_flags & (SPI_MASTER_NO_RX | SPI_MASTER_NO_RX)) == 0) {
+       if ((master_flags & (SPI_MASTER_NO_TX | SPI_MASTER_NO_RX)) == 0) {
                spi_gpio->bitbang.txrx_word[SPI_MODE_0] = spi_gpio_txrx_word_mode0;
                spi_gpio->bitbang.txrx_word[SPI_MODE_1] = spi_gpio_txrx_word_mode1;
                spi_gpio->bitbang.txrx_word[SPI_MODE_2] = spi_gpio_txrx_word_mode2;
index d31b57f..1dd86b8 100644 (file)
@@ -408,11 +408,17 @@ static void mpc8xxx_spi_cpm_bufs_start(struct mpc8xxx_spi *mspi)
 
        xfer_ofs = mspi->xfer_in_progress->len - mspi->count;
 
-       out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma + xfer_ofs);
+       if (mspi->rx_dma == mspi->dma_dummy_rx)
+               out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma);
+       else
+               out_be32(&rx_bd->cbd_bufaddr, mspi->rx_dma + xfer_ofs);
        out_be16(&rx_bd->cbd_datlen, 0);
        out_be16(&rx_bd->cbd_sc, BD_SC_EMPTY | BD_SC_INTRPT | BD_SC_WRAP);
 
-       out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma + xfer_ofs);
+       if (mspi->tx_dma == mspi->dma_dummy_tx)
+               out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma);
+       else
+               out_be32(&tx_bd->cbd_bufaddr, mspi->tx_dma + xfer_ofs);
        out_be16(&tx_bd->cbd_datlen, xfer_len);
        out_be16(&tx_bd->cbd_sc, BD_SC_READY | BD_SC_INTRPT | BD_SC_WRAP |
                                 BD_SC_LAST);
index c65c341..7e83b35 100644 (file)
@@ -232,7 +232,7 @@ static int
 small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
                void **request_buf)
 {
-       int rc = 0;
+       int rc;
 
        rc = cifs_reconnect_tcon(tcon, smb_command);
        if (rc)
@@ -250,7 +250,7 @@ small_smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
        if (tcon != NULL)
                cifs_stats_inc(&tcon->num_smbs_sent);
 
-       return rc;
+       return 0;
 }
 
 int
@@ -281,16 +281,9 @@ small_smb_init_no_tc(const int smb_command, const int wct,
 
 /* If the return code is zero, this function must fill in request_buf pointer */
 static int
-smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
-        void **request_buf /* returned */ ,
-        void **response_buf /* returned */ )
+__smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
+                       void **request_buf, void **response_buf)
 {
-       int rc = 0;
-
-       rc = cifs_reconnect_tcon(tcon, smb_command);
-       if (rc)
-               return rc;
-
        *request_buf = cifs_buf_get();
        if (*request_buf == NULL) {
                /* BB should we add a retry in here if not a writepage? */
@@ -309,7 +302,31 @@ smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
        if (tcon != NULL)
                cifs_stats_inc(&tcon->num_smbs_sent);
 
-       return rc;
+       return 0;
+}
+
+/* If the return code is zero, this function must fill in request_buf pointer */
+static int
+smb_init(int smb_command, int wct, struct cifsTconInfo *tcon,
+        void **request_buf, void **response_buf)
+{
+       int rc;
+
+       rc = cifs_reconnect_tcon(tcon, smb_command);
+       if (rc)
+               return rc;
+
+       return __smb_init(smb_command, wct, tcon, request_buf, response_buf);
+}
+
+static int
+smb_init_no_reconnect(int smb_command, int wct, struct cifsTconInfo *tcon,
+                       void **request_buf, void **response_buf)
+{
+       if (tcon->ses->need_reconnect || tcon->need_reconnect)
+               return -EHOSTDOWN;
+
+       return __smb_init(smb_command, wct, tcon, request_buf, response_buf);
 }
 
 static int validate_t2(struct smb_t2_rsp *pSMB)
@@ -4534,8 +4551,8 @@ CIFSSMBQFSUnixInfo(const int xid, struct cifsTconInfo *tcon)
 
        cFYI(1, "In QFSUnixInfo");
 QFSUnixRetry:
-       rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
-                     (void **) &pSMBr);
+       rc = smb_init_no_reconnect(SMB_COM_TRANSACTION2, 15, tcon,
+                                  (void **) &pSMB, (void **) &pSMBr);
        if (rc)
                return rc;
 
@@ -4604,8 +4621,8 @@ CIFSSMBSetFSUnixInfo(const int xid, struct cifsTconInfo *tcon, __u64 cap)
        cFYI(1, "In SETFSUnixInfo");
 SETFSUnixRetry:
        /* BB switch to small buf init to save memory */
-       rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
-                     (void **) &pSMBr);
+       rc = smb_init_no_reconnect(SMB_COM_TRANSACTION2, 15, tcon,
+                                       (void **) &pSMB, (void **) &pSMBr);
        if (rc)
                return rc;
 
index 93f77d4..53cce8c 100644 (file)
@@ -801,6 +801,8 @@ retry_iget5_locked:
                        inode->i_flags |= S_NOATIME | S_NOCMTIME;
                if (inode->i_state & I_NEW) {
                        inode->i_ino = hash;
+                       if (S_ISREG(inode->i_mode))
+                               inode->i_data.backing_dev_info = sb->s_bdi;
 #ifdef CONFIG_CIFS_FSCACHE
                        /* initialize per-inode cache cookie pointer */
                        CIFS_I(inode)->fscache = NULL;
index 32499d2..9975457 100644 (file)
@@ -128,7 +128,7 @@ static void *ocfs2_fast_follow_link(struct dentry *dentry,
        }
 
        /* Fast symlinks can't be large */
-       len = strlen(target);
+       len = strnlen(target, ocfs2_fast_symlink_chars(inode->i_sb));
        link = kzalloc(len + 1, GFP_NOFS);
        if (!link) {
                status = -ENOMEM;
index a1c43e7..8e4adda 100644 (file)
@@ -2675,7 +2675,7 @@ static const struct pid_entry tgid_base_stuff[] = {
        INF("auxv",       S_IRUSR, proc_pid_auxv),
        ONE("status",     S_IRUGO, proc_pid_status),
        ONE("personality", S_IRUSR, proc_pid_personality),
-       INF("limits",     S_IRUSR, proc_pid_limits),
+       INF("limits",     S_IRUGO, proc_pid_limits),
 #ifdef CONFIG_SCHED_DEBUG
        REG("sched",      S_IRUGO|S_IWUSR, proc_pid_sched_operations),
 #endif
@@ -3011,7 +3011,7 @@ static const struct pid_entry tid_base_stuff[] = {
        INF("auxv",      S_IRUSR, proc_pid_auxv),
        ONE("status",    S_IRUGO, proc_pid_status),
        ONE("personality", S_IRUSR, proc_pid_personality),
-       INF("limits",    S_IRUSR, proc_pid_limits),
+       INF("limits",    S_IRUGO, proc_pid_limits),
 #ifdef CONFIG_SCHED_DEBUG
        REG("sched",     S_IRUGO|S_IWUSR, proc_pid_sched_operations),
 #endif
index f53505d..5cbb81e 100644 (file)
@@ -170,6 +170,7 @@ int reiserfs_prepare_write(struct file *f, struct page *page,
 int reiserfs_unpack(struct inode *inode, struct file *filp)
 {
        int retval = 0;
+       int depth;
        int index;
        struct page *page;
        struct address_space *mapping;
@@ -188,8 +189,8 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
        /* we need to make sure nobody is changing the file size beneath
         ** us
         */
-       mutex_lock(&inode->i_mutex);
-       reiserfs_write_lock(inode->i_sb);
+       reiserfs_mutex_lock_safe(&inode->i_mutex, inode->i_sb);
+       depth = reiserfs_write_lock_once(inode->i_sb);
 
        write_from = inode->i_size & (blocksize - 1);
        /* if we are on a block boundary, we are already unpacked.  */
@@ -224,6 +225,6 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
 
       out:
        mutex_unlock(&inode->i_mutex);
-       reiserfs_write_unlock(inode->i_sb);
+       reiserfs_write_unlock_once(inode->i_sb, depth);
        return retval;
 }
index ed575fb..7e206fc 100644 (file)
@@ -405,9 +405,15 @@ xlog_cil_push(
        new_ctx = kmem_zalloc(sizeof(*new_ctx), KM_SLEEP|KM_NOFS);
        new_ctx->ticket = xlog_cil_ticket_alloc(log);
 
-       /* lock out transaction commit, but don't block on background push */
+       /*
+        * Lock out transaction commit, but don't block for background pushes
+        * unless we are well over the CIL space limit. See the definition of
+        * XLOG_CIL_HARD_SPACE_LIMIT() for the full explanation of the logic
+        * used here.
+        */
        if (!down_write_trylock(&cil->xc_ctx_lock)) {
-               if (!push_seq)
+               if (!push_seq &&
+                   cil->xc_ctx->space_used < XLOG_CIL_HARD_SPACE_LIMIT(log))
                        goto out_free_ticket;
                down_write(&cil->xc_ctx_lock);
        }
@@ -422,7 +428,7 @@ xlog_cil_push(
                goto out_skip;
 
        /* check for a previously pushed seqeunce */
-       if (push_seq < cil->xc_ctx->sequence)
+       if (push_seq && push_seq < cil->xc_ctx->sequence)
                goto out_skip;
 
        /*
index ced52b9..edcdfe0 100644 (file)
@@ -426,13 +426,13 @@ struct xfs_cil {
 };
 
 /*
- * The amount of log space we should the CIL to aggregate is difficult to size.
- * Whatever we chose we have to make we can get a reservation for the log space
- * effectively, that it is large enough to capture sufficient relogging to
- * reduce log buffer IO significantly, but it is not too large for the log or
- * induces too much latency when writing out through the iclogs. We track both
- * space consumed and the number of vectors in the checkpoint context, so we
- * need to decide which to use for limiting.
+ * The amount of log space we allow the CIL to aggregate is difficult to size.
+ * Whatever we choose, we have to make sure we can get a reservation for the
+ * log space effectively, that it is large enough to capture sufficient
+ * relogging to reduce log buffer IO significantly, but it is not too large for
+ * the log or induces too much latency when writing out through the iclogs. We
+ * track both space consumed and the number of vectors in the checkpoint
+ * context, so we need to decide which to use for limiting.
  *
  * Every log buffer we write out during a push needs a header reserved, which
  * is at least one sector and more for v2 logs. Hence we need a reservation of
@@ -459,16 +459,21 @@ struct xfs_cil {
  * checkpoint transaction ticket is specific to the checkpoint context, rather
  * than the CIL itself.
  *
- * With dynamic reservations, we can basically make up arbitrary limits for the
- * checkpoint size so long as they don't violate any other size rules.  Hence
- * the initial maximum size for the checkpoint transaction will be set to a
- * quarter of the log or 8MB, which ever is smaller. 8MB is an arbitrary limit
- * right now based on the latency of writing out a large amount of data through
- * the circular iclog buffers.
+ * With dynamic reservations, we can effectively make up arbitrary limits for
+ * the checkpoint size so long as they don't violate any other size rules.
+ * Recovery imposes a rule that no transaction exceed half the log, so we are
+ * limited by that.  Furthermore, the log transaction reservation subsystem
+ * tries to keep 25% of the log free, so we need to keep below that limit or we
+ * risk running out of free log space to start any new transactions.
+ *
+ * In order to keep background CIL push efficient, we will set a lower
+ * threshold at which background pushing is attempted without blocking current
+ * transaction commits.  A separate, higher bound defines when CIL pushes are
+ * enforced to ensure we stay within our maximum checkpoint size bounds.
+ * threshold, yet give us plenty of space for aggregation on large logs.
  */
-
-#define XLOG_CIL_SPACE_LIMIT(log)      \
-       (min((log->l_logsize >> 2), (8 * 1024 * 1024)))
+#define XLOG_CIL_SPACE_LIMIT(log)      (log->l_logsize >> 3)
+#define XLOG_CIL_HARD_SPACE_LIMIT(log) (3 * (log->l_logsize >> 4))
 
 /*
  * The reservation head lsn is not made up of a cycle number and block number.
index c0786d4..984cdc6 100644 (file)
@@ -55,7 +55,7 @@
 extern u8 acpi_gbl_permanent_mmap;
 
 /*
- * Globals that are publically available, allowing for
+ * Globals that are publicly available, allowing for
  * run time configuration
  */
 extern u32 acpi_dbg_level;
index 7809d23..4c9461a 100644 (file)
@@ -612,7 +612,7 @@ struct drm_gem_object {
        struct kref refcount;
 
        /** Handle count of this object. Each handle also holds a reference */
-       struct kref handlecount;
+       atomic_t handle_count; /* number of handles on this object */
 
        /** Related drm device */
        struct drm_device *dev;
@@ -808,7 +808,6 @@ struct drm_driver {
         */
        int (*gem_init_object) (struct drm_gem_object *obj);
        void (*gem_free_object) (struct drm_gem_object *obj);
-       void (*gem_free_object_unlocked) (struct drm_gem_object *obj);
 
        /* vga arb irq handler */
        void (*vgaarb_irq)(struct drm_device *dev, bool state);
@@ -1175,6 +1174,7 @@ extern int drm_release(struct inode *inode, struct file *filp);
 extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
 extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma);
 extern void drm_vm_open_locked(struct vm_area_struct *vma);
+extern void drm_vm_close_locked(struct vm_area_struct *vma);
 extern resource_size_t drm_core_get_map_ofs(struct drm_local_map * map);
 extern resource_size_t drm_core_get_reg_ofs(struct drm_device *dev);
 extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
@@ -1455,12 +1455,11 @@ int drm_gem_init(struct drm_device *dev);
 void drm_gem_destroy(struct drm_device *dev);
 void drm_gem_object_release(struct drm_gem_object *obj);
 void drm_gem_object_free(struct kref *kref);
-void drm_gem_object_free_unlocked(struct kref *kref);
 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
                                            size_t size);
 int drm_gem_object_init(struct drm_device *dev,
                        struct drm_gem_object *obj, size_t size);
-void drm_gem_object_handle_free(struct kref *kref);
+void drm_gem_object_handle_free(struct drm_gem_object *obj);
 void drm_gem_vm_open(struct vm_area_struct *vma);
 void drm_gem_vm_close(struct vm_area_struct *vma);
 int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
@@ -1483,8 +1482,12 @@ drm_gem_object_unreference(struct drm_gem_object *obj)
 static inline void
 drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
 {
-       if (obj != NULL)
-               kref_put(&obj->refcount, drm_gem_object_free_unlocked);
+       if (obj != NULL) {
+               struct drm_device *dev = obj->dev;
+               mutex_lock(&dev->struct_mutex);
+               kref_put(&obj->refcount, drm_gem_object_free);
+               mutex_unlock(&dev->struct_mutex);
+       }
 }
 
 int drm_gem_handle_create(struct drm_file *file_priv,
@@ -1495,7 +1498,7 @@ static inline void
 drm_gem_object_handle_reference(struct drm_gem_object *obj)
 {
        drm_gem_object_reference(obj);
-       kref_get(&obj->handlecount);
+       atomic_inc(&obj->handle_count);
 }
 
 static inline void
@@ -1504,12 +1507,15 @@ drm_gem_object_handle_unreference(struct drm_gem_object *obj)
        if (obj == NULL)
                return;
 
+       if (atomic_read(&obj->handle_count) == 0)
+               return;
        /*
         * Must bump handle count first as this may be the last
         * ref, in which case the object would disappear before we
         * checked for a name
         */
-       kref_put(&obj->handlecount, drm_gem_object_handle_free);
+       if (atomic_dec_and_test(&obj->handle_count))
+               drm_gem_object_handle_free(obj);
        drm_gem_object_unreference(obj);
 }
 
@@ -1519,12 +1525,17 @@ drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
        if (obj == NULL)
                return;
 
+       if (atomic_read(&obj->handle_count) == 0)
+               return;
+
        /*
        * Must bump handle count first as this may be the last
        * ref, in which case the object would disappear before we
        * checked for a name
        */
-       kref_put(&obj->handlecount, drm_gem_object_handle_free);
+
+       if (atomic_dec_and_test(&obj->handle_count))
+               drm_gem_object_handle_free(obj);
        drm_gem_object_unreference_unlocked(obj);
 }
 
index 3a9940e..883c1d4 100644 (file)
@@ -85,7 +85,6 @@
        {0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
        {0x1002, 0x5462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
        {0x1002, 0x5464, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
-       {0x1002, 0x5657, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
        {0x1002, 0x5548, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
        {0x1002, 0x5549, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
        {0x1002, 0x554A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
        {0x1002, 0x564F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
        {0x1002, 0x5652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
        {0x1002, 0x5653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+       {0x1002, 0x5657, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \
        {0x1002, 0x5834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP}, \
        {0x1002, 0x5835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY}, \
        {0x1002, 0x5954, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS480|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_IS_IGPGART}, \
index 36ca972..1be416b 100644 (file)
@@ -53,6 +53,7 @@ struct cpuidle_state {
 #define CPUIDLE_FLAG_BALANCED  (0x40) /* medium latency, moderate savings */
 #define CPUIDLE_FLAG_DEEP      (0x80) /* high latency, large savings */
 #define CPUIDLE_FLAG_IGNORE    (0x100) /* ignore during this idle period */
+#define CPUIDLE_FLAG_TLB_FLUSHED (0x200) /* tlb will be flushed */
 
 #define CPUIDLE_DRIVER_FLAGS_MASK (0xFFFF0000)
 
index c61d4ca..e210649 100644 (file)
@@ -548,7 +548,7 @@ static inline bool dma_dev_has_pq_continue(struct dma_device *dma)
        return (dma->max_pq & DMA_HAS_PQ_CONTINUE) == DMA_HAS_PQ_CONTINUE;
 }
 
-static unsigned short dma_dev_to_maxpq(struct dma_device *dma)
+static inline unsigned short dma_dev_to_maxpq(struct dma_device *dma)
 {
        return dma->max_pq & ~DMA_HAS_PQ_CONTINUE;
 }
index 8a6b9fd..aace066 100644 (file)
@@ -686,17 +686,16 @@ extern int module_sysfs_initialized;
 
 
 #ifdef CONFIG_GENERIC_BUG
-int  module_bug_finalize(const Elf_Ehdr *, const Elf_Shdr *,
+void module_bug_finalize(const Elf_Ehdr *, const Elf_Shdr *,
                         struct module *);
 void module_bug_cleanup(struct module *);
 
 #else  /* !CONFIG_GENERIC_BUG */
 
-static inline int  module_bug_finalize(const Elf_Ehdr *hdr,
+static inline void module_bug_finalize(const Elf_Ehdr *hdr,
                                        const Elf_Shdr *sechdrs,
                                        struct module *mod)
 {
-       return 0;
 }
 static inline void module_bug_cleanup(struct module *mod) {}
 #endif /* CONFIG_GENERIC_BUG */
index 9fbc54a..83af1f8 100644 (file)
@@ -454,7 +454,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void)
  * Makes rcu_dereference_check() do the dirty work.
  */
 #define rcu_dereference_bh(p) \
-               rcu_dereference_check(p, rcu_read_lock_bh_held())
+               rcu_dereference_check(p, rcu_read_lock_bh_held() || irqs_disabled())
 
 /**
  * rcu_dereference_sched - fetch RCU-protected pointer, checking for RCU-sched
index 0836ccc..3efc9f3 100644 (file)
@@ -614,6 +614,7 @@ int wake_bit_function(wait_queue_t *wait, unsigned mode, int sync, void *key);
                (wait)->private = current;                              \
                (wait)->func = autoremove_wake_function;                \
                INIT_LIST_HEAD(&(wait)->task_list);                     \
+               (wait)->flags = 0;                                      \
        } while (0)
 
 /**
index 40a8f46..0e0d49b 100644 (file)
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -743,6 +743,8 @@ static unsigned long copy_semid_to_user(void __user *buf, struct semid64_ds *in,
            {
                struct semid_ds out;
 
+               memset(&out, 0, sizeof(out));
+
                ipc64_perm_to_ipc_perm(&in->sem_perm, &out.sem_perm);
 
                out.sem_otime   = in->sem_otime;
index 6b5580c..01a0700 100644 (file)
@@ -365,8 +365,6 @@ static unsigned int setup_sgl(struct __kfifo *fifo, struct scatterlist *sgl,
        n = setup_sgl_buf(sgl, fifo->data + off, nents, l);
        n += setup_sgl_buf(sgl + n, fifo->data, nents - n, len - l);
 
-       if (n)
-               sg_mark_end(sgl + n - 1);
        return n;
 }
 
index d0b5f8d..ccd6419 100644 (file)
@@ -1537,6 +1537,7 @@ static int __unlink_module(void *_mod)
 {
        struct module *mod = _mod;
        list_del(&mod->list);
+       module_bug_cleanup(mod);
        return 0;
 }
 
@@ -2625,6 +2626,7 @@ static struct module *load_module(void __user *umod,
        if (err < 0)
                goto ddebug;
 
+       module_bug_finalize(info.hdr, info.sechdrs, mod);
        list_add_rcu(&mod->list, &modules);
        mutex_unlock(&module_mutex);
 
@@ -2650,6 +2652,8 @@ static struct module *load_module(void __user *umod,
        mutex_lock(&module_mutex);
        /* Unlink carefully: kallsyms could be walking list. */
        list_del_rcu(&mod->list);
+       module_bug_cleanup(mod);
+
  ddebug:
        if (!mod->taints)
                dynamic_debug_remove(info.debug);
index 75c970c..ed6aacf 100644 (file)
@@ -365,9 +365,10 @@ call:
 EXPORT_SYMBOL_GPL(smp_call_function_any);
 
 /**
- * __smp_call_function_single(): Run a function on another CPU
+ * __smp_call_function_single(): Run a function on a specific CPU
  * @cpu: The CPU to run on.
  * @data: Pre-allocated and setup data structure
+ * @wait: If true, wait until function has completed on specified CPU.
  *
  * Like smp_call_function_single(), but allow caller to pass in a
  * pre-allocated data structure. Useful for embedding @data inside
@@ -376,8 +377,10 @@ EXPORT_SYMBOL_GPL(smp_call_function_any);
 void __smp_call_function_single(int cpu, struct call_single_data *data,
                                int wait)
 {
-       csd_lock(data);
+       unsigned int this_cpu;
+       unsigned long flags;
 
+       this_cpu = get_cpu();
        /*
         * Can deadlock when called with interrupts disabled.
         * We allow cpu's that are not yet online though, as no one else can
@@ -387,7 +390,15 @@ void __smp_call_function_single(int cpu, struct call_single_data *data,
        WARN_ON_ONCE(cpu_online(smp_processor_id()) && wait && irqs_disabled()
                     && !oops_in_progress);
 
-       generic_exec_single(cpu, data, wait);
+       if (cpu == this_cpu) {
+               local_irq_save(flags);
+               data->func(data->info);
+               local_irq_restore(flags);
+       } else {
+               csd_lock(data);
+               generic_exec_single(cpu, data, wait);
+       }
+       put_cpu();
 }
 
 /**
index 7cdfad8..1955209 100644 (file)
--- a/lib/bug.c
+++ b/lib/bug.c
@@ -72,8 +72,8 @@ static const struct bug_entry *module_find_bug(unsigned long bugaddr)
        return NULL;
 }
 
-int module_bug_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
-                       struct module *mod)
+void module_bug_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
+                        struct module *mod)
 {
        char *secstrings;
        unsigned int i;
@@ -97,8 +97,6 @@ int module_bug_finalize(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
         * could potentially lead to deadlock and thus be counter-productive.
         */
        list_add(&mod->bug_list, &module_bug_list);
-
-       return 0;
 }
 
 void module_bug_cleanup(struct module *mod)
index 4b5cb79..a7616fa 100644 (file)
@@ -70,7 +70,7 @@ static void merge_and_restore_back_links(void *priv,
                 * element comparison is needed, so the client's cmp()
                 * routine can invoke cond_resched() periodically.
                 */
-               (*cmp)(priv, tail, tail);
+               (*cmp)(priv, tail->next, tail->next);
 
                tail->next->prev = tail;
                tail = tail->next;
index b1873cf..65ab5c7 100644 (file)
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -712,7 +712,7 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page,
        if (!ptep)
                goto out;
 
-       if (pte_write(*ptep)) {
+       if (pte_write(*ptep) || pte_dirty(*ptep)) {
                pte_t entry;
 
                swapped = PageSwapCache(page);
@@ -735,7 +735,9 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page,
                        set_pte_at(mm, addr, ptep, entry);
                        goto out_unlock;
                }
-               entry = pte_wrprotect(entry);
+               if (pte_dirty(entry))
+                       set_page_dirty(page);
+               entry = pte_mkclean(pte_wrprotect(entry));
                set_pte_at_notify(mm, addr, ptep, entry);
        }
        *orig_pte = *ptep;
index 9d2ba01..92e6757 100644 (file)
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -381,7 +381,13 @@ vma_address(struct page *page, struct vm_area_struct *vma)
 unsigned long page_address_in_vma(struct page *page, struct vm_area_struct *vma)
 {
        if (PageAnon(page)) {
-               if (vma->anon_vma->root != page_anon_vma(page)->root)
+               struct anon_vma *page__anon_vma = page_anon_vma(page);
+               /*
+                * Note: swapoff's unuse_vma() is more efficient with this
+                * check, and needs it to match anon_vma when KSM is active.
+                */
+               if (!vma->anon_vma || !page__anon_vma ||
+                   vma->anon_vma->root != page__anon_vma->root)
                        return -EFAULT;
        } else if (page->mapping && !(vma->vm_flags & VM_NONLINEAR)) {
                if (!vma->vm_file ||
index 01ddb04..0eb96f7 100644 (file)
@@ -24,8 +24,11 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 
        if (vlan_dev)
                skb->dev = vlan_dev;
-       else if (vlan_id)
-               goto drop;
+       else if (vlan_id) {
+               if (!(skb->dev->flags & IFF_PROMISC))
+                       goto drop;
+               skb->pkt_type = PACKET_OTHERHOST;
+       }
 
        return (polling ? netif_receive_skb(skb) : netif_rx(skb));
 
@@ -102,8 +105,11 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
 
        if (vlan_dev)
                skb->dev = vlan_dev;
-       else if (vlan_id)
-               goto drop;
+       else if (vlan_id) {
+               if (!(skb->dev->flags & IFF_PROMISC))
+                       goto drop;
+               skb->pkt_type = PACKET_OTHERHOST;
+       }
 
        for (p = napi->gro_list; p; p = p->next) {
                NAPI_GRO_CB(p)->same_flow =
index 571f895..72380a3 100644 (file)
@@ -217,6 +217,7 @@ config NET_IPIP
 
 config NET_IPGRE
        tristate "IP: GRE tunnels over IP"
+       depends on IPV6 || IPV6=n
        help
          Tunneling means encapsulating data of one protocol type within
          another protocol and sending it over a channel that understands the
index c35b469..74c54b3 100644 (file)
@@ -135,13 +135,16 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
 
 /* This function calculates a "timeout" which is equivalent to the timeout of a
  * TCP connection after "boundary" unsuccessful, exponentially backed-off
- * retransmissions with an initial RTO of TCP_RTO_MIN.
+ * retransmissions with an initial RTO of TCP_RTO_MIN or TCP_TIMEOUT_INIT if
+ * syn_set flag is set.
  */
 static bool retransmits_timed_out(struct sock *sk,
-                                 unsigned int boundary)
+                                 unsigned int boundary,
+                                 bool syn_set)
 {
        unsigned int timeout, linear_backoff_thresh;
        unsigned int start_ts;
+       unsigned int rto_base = syn_set ? TCP_TIMEOUT_INIT : TCP_RTO_MIN;
 
        if (!inet_csk(sk)->icsk_retransmits)
                return false;
@@ -151,12 +154,12 @@ static bool retransmits_timed_out(struct sock *sk,
        else
                start_ts = tcp_sk(sk)->retrans_stamp;
 
-       linear_backoff_thresh = ilog2(TCP_RTO_MAX/TCP_RTO_MIN);
+       linear_backoff_thresh = ilog2(TCP_RTO_MAX/rto_base);
 
        if (boundary <= linear_backoff_thresh)
-               timeout = ((2 << boundary) - 1) * TCP_RTO_MIN;
+               timeout = ((2 << boundary) - 1) * rto_base;
        else
-               timeout = ((2 << linear_backoff_thresh) - 1) * TCP_RTO_MIN +
+               timeout = ((2 << linear_backoff_thresh) - 1) * rto_base +
                          (boundary - linear_backoff_thresh) * TCP_RTO_MAX;
 
        return (tcp_time_stamp - start_ts) >= timeout;
@@ -167,14 +170,15 @@ static int tcp_write_timeout(struct sock *sk)
 {
        struct inet_connection_sock *icsk = inet_csk(sk);
        int retry_until;
-       bool do_reset;
+       bool do_reset, syn_set = 0;
 
        if ((1 << sk->sk_state) & (TCPF_SYN_SENT | TCPF_SYN_RECV)) {
                if (icsk->icsk_retransmits)
                        dst_negative_advice(sk);
                retry_until = icsk->icsk_syn_retries ? : sysctl_tcp_syn_retries;
+               syn_set = 1;
        } else {
-               if (retransmits_timed_out(sk, sysctl_tcp_retries1)) {
+               if (retransmits_timed_out(sk, sysctl_tcp_retries1, 0)) {
                        /* Black hole detection */
                        tcp_mtu_probing(icsk, sk);
 
@@ -187,14 +191,14 @@ static int tcp_write_timeout(struct sock *sk)
 
                        retry_until = tcp_orphan_retries(sk, alive);
                        do_reset = alive ||
-                                  !retransmits_timed_out(sk, retry_until);
+                                  !retransmits_timed_out(sk, retry_until, 0);
 
                        if (tcp_out_of_resources(sk, do_reset))
                                return 1;
                }
        }
 
-       if (retransmits_timed_out(sk, retry_until)) {
+       if (retransmits_timed_out(sk, retry_until, syn_set)) {
                /* Has it gone just too far? */
                tcp_write_err(sk);
                return 1;
@@ -436,7 +440,7 @@ out_reset_timer:
                icsk->icsk_rto = min(icsk->icsk_rto << 1, TCP_RTO_MAX);
        }
        inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, icsk->icsk_rto, TCP_RTO_MAX);
-       if (retransmits_timed_out(sk, sysctl_tcp_retries1 + 1))
+       if (retransmits_timed_out(sk, sysctl_tcp_retries1 + 1, 0))
                __sk_dst_reset(sk);
 
 out:;
index fa0f37e..2862428 100644 (file)
@@ -2199,9 +2199,6 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
        struct net_device *prev_dev = NULL;
        struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
 
-       if (status->flag & RX_FLAG_INTERNAL_CMTR)
-               goto out_free_skb;
-
        if (skb_headroom(skb) < sizeof(*rthdr) &&
            pskb_expand_head(skb, sizeof(*rthdr), 0, GFP_ATOMIC))
                goto out_free_skb;
@@ -2260,7 +2257,6 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
        } else
                goto out_free_skb;
 
-       status->flag |= RX_FLAG_INTERNAL_CMTR;
        return;
 
  out_free_skb:
index b2a3ae6..1500302 100644 (file)
@@ -225,12 +225,13 @@ static void pipe_grant_credits(struct sock *sk)
 static int pipe_rcv_status(struct sock *sk, struct sk_buff *skb)
 {
        struct pep_sock *pn = pep_sk(sk);
-       struct pnpipehdr *hdr = pnp_hdr(skb);
+       struct pnpipehdr *hdr;
        int wake = 0;
 
        if (!pskb_may_pull(skb, sizeof(*hdr) + 4))
                return -EINVAL;
 
+       hdr = pnp_hdr(skb);
        if (hdr->data[0] != PN_PEP_TYPE_COMMON) {
                LIMIT_NETDEBUG(KERN_DEBUG"Phonet unknown PEP type: %u\n",
                                (unsigned)hdr->data[0]);
index ee03a4f..0647379 100644 (file)
@@ -24,6 +24,7 @@ static int __init example_init(void)
 {
        int                     i;
        unsigned int            ret;
+       unsigned int            nents;
        struct scatterlist      sg[10];
 
        printk(KERN_INFO "DMA fifo test start\n");
@@ -61,9 +62,9 @@ static int __init example_init(void)
         * byte at the beginning, after the kfifo_skip().
         */
        sg_init_table(sg, ARRAY_SIZE(sg));
-       ret = kfifo_dma_in_prepare(&fifo, sg, ARRAY_SIZE(sg), FIFO_SIZE);
-       printk(KERN_INFO "DMA sgl entries: %d\n", ret);
-       if (!ret) {
+       nents = kfifo_dma_in_prepare(&fifo, sg, ARRAY_SIZE(sg), FIFO_SIZE);
+       printk(KERN_INFO "DMA sgl entries: %d\n", nents);
+       if (!nents) {
                /* fifo is full and no sgl was created */
                printk(KERN_WARNING "error kfifo_dma_in_prepare\n");
                return -EIO;
@@ -71,7 +72,7 @@ static int __init example_init(void)
 
        /* receive data */
        printk(KERN_INFO "scatterlist for receive:\n");
-       for (i = 0; i < ARRAY_SIZE(sg); i++) {
+       for (i = 0; i < nents; i++) {
                printk(KERN_INFO
                "sg[%d] -> "
                "page_link 0x%.8lx offset 0x%.8x length 0x%.8x\n",
@@ -91,16 +92,16 @@ static int __init example_init(void)
        kfifo_dma_in_finish(&fifo, ret);
 
        /* Prepare to transmit data, example: 8 bytes */
-       ret = kfifo_dma_out_prepare(&fifo, sg, ARRAY_SIZE(sg), 8);
-       printk(KERN_INFO "DMA sgl entries: %d\n", ret);
-       if (!ret) {
+       nents = kfifo_dma_out_prepare(&fifo, sg, ARRAY_SIZE(sg), 8);
+       printk(KERN_INFO "DMA sgl entries: %d\n", nents);
+       if (!nents) {
                /* no data was available and no sgl was created */
                printk(KERN_WARNING "error kfifo_dma_out_prepare\n");
                return -EIO;
        }
 
        printk(KERN_INFO "scatterlist for transmit:\n");
-       for (i = 0; i < ARRAY_SIZE(sg); i++) {
+       for (i = 0; i < nents; i++) {
                printk(KERN_INFO
                "sg[%d] -> "
                "page_link 0x%.8lx offset 0x%.8x length 0x%.8x\n",
index 070aab4..45a8180 100644 (file)
@@ -31,6 +31,7 @@
 
 /* max number of user-defined controls */
 #define MAX_USER_CONTROLS      32
+#define MAX_CONTROL_COUNT      1028
 
 struct snd_kctl_ioctl {
        struct list_head list;          /* list of all ioctls */
@@ -195,6 +196,10 @@ static struct snd_kcontrol *snd_ctl_new(struct snd_kcontrol *control,
        
        if (snd_BUG_ON(!control || !control->count))
                return NULL;
+
+       if (control->count > MAX_CONTROL_COUNT)
+               return NULL;
+
        kctl = kzalloc(sizeof(*kctl) + sizeof(struct snd_kcontrol_volatile) * control->count, GFP_KERNEL);
        if (kctl == NULL) {
                snd_printk(KERN_ERR "Cannot allocate control instance\n");
index 1adb8a3..42d7844 100644 (file)
@@ -900,7 +900,7 @@ static int proc_init(struct snd_akm4xxx *ak)
        return 0;
 }
 #else /* !CONFIG_PROC_FS */
-static int proc_init(struct snd_akm4xxx *ak) {}
+static int proc_init(struct snd_akm4xxx *ak) { return 0; }
 #endif
 
 int snd_akm4xxx_build_controls(struct snd_akm4xxx *ak)
index 4f1fa77..1950e19 100644 (file)
@@ -1017,7 +1017,7 @@ builtin-revert.o wt-status.o: wt-status.h
 # we compile into subdirectories. if the target directory is not the source directory, they might not exists. So
 # we depend the various files onto their directories.
 DIRECTORY_DEPS = $(LIB_OBJS) $(BUILTIN_OBJS) $(OUTPUT)PERF-VERSION-FILE $(OUTPUT)common-cmds.h
-$(DIRECTORY_DEPS): $(sort $(dir $(DIRECTORY_DEPS)))
+$(DIRECTORY_DEPS): $(sort $(dir $(DIRECTORY_DEPS)))
 # In the second step, we make a rule to actually create these directories
 $(sort $(dir $(DIRECTORY_DEPS))):
        $(QUIET_MKDIR)$(MKDIR) -p $@ 2>/dev/null
index 7ea983a..f7af2fc 100644 (file)
@@ -97,7 +97,7 @@ void setup_python_scripting(void)
        register_python_scripting(&python_scripting_unsupported_ops);
 }
 #else
-struct scripting_ops python_scripting_ops;
+extern struct scripting_ops python_scripting_ops;
 
 void setup_python_scripting(void)
 {
@@ -158,7 +158,7 @@ void setup_perl_scripting(void)
        register_perl_scripting(&perl_scripting_unsupported_ops);
 }
 #else
-struct scripting_ops perl_scripting_ops;
+extern struct scripting_ops perl_scripting_ops;
 
 void setup_perl_scripting(void)
 {
index dafdf67..6866aa4 100644 (file)
@@ -773,7 +773,7 @@ int hists__browse(struct hists *self, const char *helpline, const char *ev_name)
 
                        switch (key) {
                        case 'a':
-                               if (browser->selection->map == NULL &&
+                               if (browser->selection->map == NULL ||
                                    browser->selection->map->dso->annotate_warned)
                                        continue;
                                goto do_annotate;