Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block
authorLinus Torvalds <torvalds@linux-foundation.org>
Thu, 8 May 2008 17:48:36 +0000 (10:48 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 8 May 2008 17:48:36 +0000 (10:48 -0700)
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  Revert "relay: fix splice problem"
  docbook: fix bio missing parameter
  block: use unitialized_var() in bio_alloc_bioset()
  block: avoid duplicate calls to get_part() in disk stat code
  cfq-iosched: make io priorities inherit CPU scheduling class as well as nice
  block: optimize generic_unplug_device()
  block: get rid of likely/unlikely predictions in merge logic
  vfs: splice remove_suid() cleanup
  cfq-iosched: fix RCU race in the cfq io_context destructor handling
  block: adjust tagging function queue bit locking
  block: sysfs store function needs to grab queue_lock and use queue_flag_*()

71 files changed:
Documentation/s390/CommonIO
MAINTAINERS
arch/cris/kernel/sys_cris.c
arch/m32r/kernel/sys_m32r.c
arch/s390/Kconfig
arch/s390/kernel/compat_wrapper.S
arch/s390/kernel/entry.S
arch/s390/kernel/entry64.S
arch/s390/kernel/ptrace.c
arch/s390/kvm/Kconfig
arch/s390/kvm/intercept.c
arch/s390/kvm/kvm-s390.c
arch/s390/mm/Makefile
arch/s390/mm/init.c
arch/s390/mm/page-states.c [new file with mode: 0644]
arch/sparc/kernel/process.c
arch/sparc/kernel/sys_sparc.c
arch/sparc64/kernel/process.c
arch/sparc64/kernel/smp.c
arch/sparc64/kernel/sys_sparc.c
arch/sparc64/kernel/sys_sparc32.c
arch/sparc64/kernel/systbls.S
arch/sparc64/mm/init.c
arch/um/drivers/line.c
arch/um/include/line.h
drivers/accessibility/Kconfig
drivers/char/sx.c
drivers/char/vt.c
drivers/md/raid10.c
drivers/media/video/cx18/cx18-driver.c
drivers/media/video/saa7134/saa7134-video.c
drivers/net/usb/asix.c
drivers/rtc/rtc-ds1511.c
drivers/s390/char/tty3270.c
drivers/s390/cio/blacklist.c
drivers/s390/cio/cio.c
drivers/s390/cio/cio.h
drivers/s390/cio/cio_debug.h
drivers/s390/cio/css.c
drivers/s390/cio/device.c
drivers/s390/cio/device_fsm.c
drivers/s390/cio/device_id.c
drivers/s390/cio/device_pgid.c
drivers/s390/s390mach.c
drivers/sbus/char/bpp.c
drivers/scsi/dpt_i2o.c
drivers/scsi/dpti.h
drivers/serial/serial_core.c
drivers/usb/host/Kconfig
drivers/usb/serial/iuu_phoenix.c
drivers/video/bw2.c
drivers/video/cg3.c
drivers/video/cg6.c
drivers/video/ffb.c
drivers/video/leo.c
drivers/video/p9100.c
drivers/video/tcx.c
fs/pipe.c
fs/udf/namei.c
fs/udf/partition.c
fs/udf/super.c
fs/udf/udfdecl.h
include/asm-s390/kvm_host.h
include/asm-s390/page.h
include/asm-s390/ptrace.h
include/asm-s390/system.h
include/linux/exportfs.h
kernel/cpuset.c
mm/slub.c
net/mac80211/rc80211_pid_debugfs.c
sound/oss/kahlua.c

index 8fbc0a8..bf0baa1 100644 (file)
@@ -8,17 +8,6 @@ Command line parameters
 
   Enable logging of debug information in case of ccw device timeouts.
 
-
-* cio_msg = yes | no
-  
-  Determines whether information on found devices and sensed device 
-  characteristics should be shown during startup or when new devices are
-  found, i. e. messages of the types "Detected device 0.0.4711 on subchannel
-  0.0.0042" and "SenseID: Device 0.0.4711 reports: ...".
-
-  Default is off.
-
-
 * cio_ignore = {all} |
               {<device> | <range of devices>} |
               {!<device> | !<range of devices>}
index abe2787..f5583dc 100644 (file)
@@ -2112,12 +2112,10 @@ L:      netdev@vger.kernel.org
 S:     Maintained
 
 INTEL ETHERNET DRIVERS (e100/e1000/e1000e/igb/ixgb/ixgbe)
-P:     Auke Kok
-M:     auke-jan.h.kok@intel.com
-P:     Jesse Brandeburg
-M:     jesse.brandeburg@intel.com
 P:     Jeff Kirsher
 M:     jeffrey.t.kirsher@intel.com
+P:     Jesse Brandeburg
+M:     jesse.brandeburg@intel.com
 P:     Bruce Allan
 M:     bruce.w.allan@intel.com
 P:     John Ronciak
index 8b99841..d124066 100644 (file)
@@ -40,8 +40,11 @@ asmlinkage int sys_pipe(unsigned long __user * fildes)
         error = do_pipe(fd);
         unlock_kernel();
         if (!error) {
-                if (copy_to_user(fildes, fd, 2*sizeof(int)))
+                if (copy_to_user(fildes, fd, 2*sizeof(int))) {
+                       sys_close(fd[0]);
+                       sys_close(fd[1]);
                         error = -EFAULT;
+               }
         }
         return error;
 }
index 6d7a80f..319c797 100644 (file)
@@ -90,8 +90,11 @@ sys_pipe(unsigned long r0, unsigned long r1, unsigned long r2,
 
        error = do_pipe(fd);
        if (!error) {
-               if (copy_to_user((void __user *)r0, fd, 2*sizeof(int)))
+               if (copy_to_user((void __user *)r0, fd, 2*sizeof(int))) {
+                       sys_close(fd[0]);
+                       sys_close(fd[1]);
                        error = -EFAULT;
+               }
        }
        return error;
 }
index 29a7940..1d03508 100644 (file)
@@ -430,6 +430,13 @@ config CMM_IUCV
          Select this option to enable the special message interface to
          the cooperative memory management.
 
+config PAGE_STATES
+       bool "Unused page notification"
+       help
+         This enables the notification of unused pages to the
+         hypervisor. The ESSA instruction is used to do the states
+         changes between a page that has content and the unused state.
+
 config VIRT_TIMER
        bool "Virtual CPU timer support"
        help
index 743d54f..d003a6e 100644 (file)
@@ -121,7 +121,7 @@ sys32_ptrace_wrapper:
        lgfr    %r3,%r3                 # long
        llgtr   %r4,%r4                 # long
        llgfr   %r5,%r5                 # long
-       jg      sys_ptrace              # branch to system call
+       jg      compat_sys_ptrace       # branch to system call
 
        .globl  sys32_alarm_wrapper
 sys32_alarm_wrapper:
index bdbb3bc..708cf9c 100644 (file)
@@ -279,8 +279,6 @@ sysc_do_restart:
        st      %r2,SP_R2(%r15)   # store return value (change R2 on stack)
 
 sysc_return:
-       tm      SP_PSW+1(%r15),0x01     # returning to user ?
-       bno     BASED(sysc_restore)
        tm      __TI_flags+3(%r9),_TIF_WORK_SVC
        bnz     BASED(sysc_work)  # there is work to do (signals etc.)
 sysc_restore:
@@ -312,6 +310,8 @@ sysc_work_loop:
 # One of the work bits is on. Find out which one.
 #
 sysc_work:
+       tm      SP_PSW+1(%r15),0x01     # returning to user ?
+       bno     BASED(sysc_restore)
        tm      __TI_flags+3(%r9),_TIF_MCCK_PENDING
        bo      BASED(sysc_mcck_pending)
        tm      __TI_flags+3(%r9),_TIF_NEED_RESCHED
@@ -602,12 +602,6 @@ io_no_vtime:
        la      %r2,SP_PTREGS(%r15)     # address of register-save area
        basr    %r14,%r1                # branch to standard irq handler
 io_return:
-       tm      SP_PSW+1(%r15),0x01     # returning to user ?
-#ifdef CONFIG_PREEMPT
-       bno     BASED(io_preempt)       # no -> check for preemptive scheduling
-#else
-       bno     BASED(io_restore)       # no-> skip resched & signal
-#endif
        tm      __TI_flags+3(%r9),_TIF_WORK_INT
        bnz     BASED(io_work)          # there is work to do (signals etc.)
 io_restore:
@@ -629,10 +623,18 @@ io_restore_trace_psw:
        .long   0, io_restore_trace + 0x80000000
 #endif
 
-#ifdef CONFIG_PREEMPT
-io_preempt:
+#
+# switch to kernel stack, then check the TIF bits
+#
+io_work:
+       tm      SP_PSW+1(%r15),0x01     # returning to user ?
+#ifndef CONFIG_PREEMPT
+       bno     BASED(io_restore)       # no-> skip resched & signal
+#else
+       bnz     BASED(io_work_user)     # no -> check for preemptive scheduling
+       # check for preemptive scheduling
        icm     %r0,15,__TI_precount(%r9)
-       bnz     BASED(io_restore)
+       bnz     BASED(io_restore)       # preemption disabled
        l       %r1,SP_R15(%r15)
        s       %r1,BASED(.Lc_spsize)
        mvc     SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15)
@@ -646,10 +648,7 @@ io_resume_loop:
        br      %r1                     # call schedule
 #endif
 
-#
-# switch to kernel stack, then check the TIF bits
-#
-io_work:
+io_work_user:
        l       %r1,__LC_KERNEL_STACK
        s       %r1,BASED(.Lc_spsize)
        mvc     SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15)
index 5a4a7bc..fee1017 100644 (file)
@@ -271,8 +271,6 @@ sysc_noemu:
        stg     %r2,SP_R2(%r15) # store return value (change R2 on stack)
 
 sysc_return:
-       tm      SP_PSW+1(%r15),0x01     # returning to user ?
-       jno     sysc_restore
        tm      __TI_flags+7(%r9),_TIF_WORK_SVC
        jnz     sysc_work       # there is work to do (signals etc.)
 sysc_restore:
@@ -304,6 +302,8 @@ sysc_work_loop:
 # One of the work bits is on. Find out which one.
 #
 sysc_work:
+       tm      SP_PSW+1(%r15),0x01     # returning to user ?
+       jno     sysc_restore
        tm      __TI_flags+7(%r9),_TIF_MCCK_PENDING
        jo      sysc_mcck_pending
        tm      __TI_flags+7(%r9),_TIF_NEED_RESCHED
@@ -585,12 +585,6 @@ io_no_vtime:
        la      %r2,SP_PTREGS(%r15)     # address of register-save area
        brasl   %r14,do_IRQ             # call standard irq handler
 io_return:
-       tm      SP_PSW+1(%r15),0x01     # returning to user ?
-#ifdef CONFIG_PREEMPT
-       jno     io_preempt              # no -> check for preemptive scheduling
-#else
-       jno     io_restore              # no-> skip resched & signal
-#endif
        tm      __TI_flags+7(%r9),_TIF_WORK_INT
        jnz     io_work                 # there is work to do (signals etc.)
 io_restore:
@@ -612,10 +606,41 @@ io_restore_trace_psw:
        .quad   0, io_restore_trace
 #endif
 
-#ifdef CONFIG_PREEMPT
-io_preempt:
+#
+# There is work todo, we need to check if we return to userspace, then
+# check, if we are in SIE, if yes leave it
+#
+io_work:
+       tm      SP_PSW+1(%r15),0x01     # returning to user ?
+#ifndef CONFIG_PREEMPT
+#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+       jnz     io_work_user            # yes -> no need to check for SIE
+       la      %r1, BASED(sie_opcode)  # we return to kernel here
+       lg      %r2, SP_PSW+8(%r15)
+       clc     0(2,%r1), 0(%r2)        # is current instruction = SIE?
+       jne     io_restore              # no-> return to kernel
+       lg      %r1, SP_PSW+8(%r15)     # yes-> add 4 bytes to leave SIE
+       aghi    %r1, 4
+       stg     %r1, SP_PSW+8(%r15)
+       j       io_restore              # return to kernel
+#else
+       jno     io_restore              # no-> skip resched & signal
+#endif
+#else
+       jnz     io_work_user            # yes -> do resched & signal
+#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+       la      %r1, BASED(sie_opcode)
+       lg      %r2, SP_PSW+8(%r15)
+       clc     0(2,%r1), 0(%r2)        # is current instruction = SIE?
+       jne     0f                      # no -> leave PSW alone
+       lg      %r1, SP_PSW+8(%r15)     # yes-> add 4 bytes to leave SIE
+       aghi    %r1, 4
+       stg     %r1, SP_PSW+8(%r15)
+0:
+#endif
+       # check for preemptive scheduling
        icm     %r0,15,__TI_precount(%r9)
-       jnz     io_restore
+       jnz     io_restore              # preemption is disabled
        # switch to kernel stack
        lg      %r1,SP_R15(%r15)
        aghi    %r1,-SP_SIZE
@@ -629,10 +654,7 @@ io_resume_loop:
        jg      preempt_schedule_irq
 #endif
 
-#
-# switch to kernel stack, then check TIF bits
-#
-io_work:
+io_work_user:
        lg      %r1,__LC_KERNEL_STACK
        aghi    %r1,-SP_SIZE
        mvc     SP_PTREGS(__PT_SIZE,%r1),SP_PTREGS(%r15)
@@ -653,6 +675,11 @@ io_work_loop:
        j       io_restore
 io_work_done:
 
+#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
+sie_opcode:
+       .long 0xb2140000
+#endif
+
 #
 # _TIF_MCCK_PENDING is set, call handler
 #
index 7f42701..35827b9 100644 (file)
@@ -292,8 +292,7 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
        return 0;
 }
 
-static int
-do_ptrace_normal(struct task_struct *child, long request, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 {
        ptrace_area parea; 
        int copied, ret;
@@ -529,35 +528,19 @@ poke_user_emu31(struct task_struct *child, addr_t addr, addr_t data)
        return 0;
 }
 
-static int
-do_ptrace_emu31(struct task_struct *child, long request, long addr, long data)
+long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
+                       compat_ulong_t caddr, compat_ulong_t cdata)
 {
-       unsigned int tmp;  /* 4 bytes !! */
+       unsigned long addr = caddr;
+       unsigned long data = cdata;
        ptrace_area_emu31 parea; 
        int copied, ret;
 
        switch (request) {
-       case PTRACE_PEEKTEXT:
-       case PTRACE_PEEKDATA:
-               /* read word at location addr. */
-               copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 0);
-               if (copied != sizeof(tmp))
-                       return -EIO;
-               return put_user(tmp, (unsigned int __force __user *) data);
-
        case PTRACE_PEEKUSR:
                /* read the word at location addr in the USER area. */
                return peek_user_emu31(child, addr, data);
 
-       case PTRACE_POKETEXT:
-       case PTRACE_POKEDATA:
-               /* write the word at location addr. */
-               tmp = data;
-               copied = access_process_vm(child, addr, &tmp, sizeof(tmp), 1);
-               if (copied != sizeof(tmp))
-                       return -EIO;
-               return 0;
-
        case PTRACE_POKEUSR:
                /* write the word at location addr in the USER area */
                return poke_user_emu31(child, addr, data);
@@ -587,82 +570,11 @@ do_ptrace_emu31(struct task_struct *child, long request, long addr, long data)
                        copied += sizeof(unsigned int);
                }
                return 0;
-       case PTRACE_GETEVENTMSG:
-               return put_user((__u32) child->ptrace_message,
-                               (unsigned int __force __user *) data);
-       case PTRACE_GETSIGINFO:
-               if (child->last_siginfo == NULL)
-                       return -EINVAL;
-               return copy_siginfo_to_user32((compat_siginfo_t
-                                              __force __user *) data,
-                                             child->last_siginfo);
-       case PTRACE_SETSIGINFO:
-               if (child->last_siginfo == NULL)
-                       return -EINVAL;
-               return copy_siginfo_from_user32(child->last_siginfo,
-                                               (compat_siginfo_t
-                                                __force __user *) data);
        }
-       return ptrace_request(child, request, addr, data);
+       return compat_ptrace_request(child, request, addr, data);
 }
 #endif
 
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
-{
-       switch (request) {
-       case PTRACE_SYSCALL:
-               /* continue and stop at next (return from) syscall */
-       case PTRACE_CONT:
-               /* restart after signal. */
-               if (!valid_signal(data))
-                       return -EIO;
-               if (request == PTRACE_SYSCALL)
-                       set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-               else
-                       clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-               child->exit_code = data;
-               /* make sure the single step bit is not set. */
-               user_disable_single_step(child);
-               wake_up_process(child);
-               return 0;
-
-       case PTRACE_KILL:
-               /*
-                * make the child exit.  Best I can do is send it a sigkill. 
-                * perhaps it should be put in the status that it wants to 
-                * exit.
-                */
-               if (child->exit_state == EXIT_ZOMBIE) /* already dead */
-                       return 0;
-               child->exit_code = SIGKILL;
-               /* make sure the single step bit is not set. */
-               user_disable_single_step(child);
-               wake_up_process(child);
-               return 0;
-
-       case PTRACE_SINGLESTEP:
-               /* set the trap flag. */
-               if (!valid_signal(data))
-                       return -EIO;
-               clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-               child->exit_code = data;
-               user_enable_single_step(child);
-               /* give it a chance to run. */
-               wake_up_process(child);
-               return 0;
-
-       /* Do requests that differ for 31/64 bit */
-       default:
-#ifdef CONFIG_COMPAT
-               if (test_thread_flag(TIF_31BIT))
-                       return do_ptrace_emu31(child, request, addr, data);
-#endif
-               return do_ptrace_normal(child, request, addr, data);
-       }
-       /* Not reached.  */
-       return -EIO;
-}
-
 asmlinkage void
 syscall_trace(struct pt_regs *regs, int entryexit)
 {
index 1761b74..e051cad 100644 (file)
@@ -22,7 +22,6 @@ config KVM
        select PREEMPT_NOTIFIERS
        select ANON_INODES
        select S390_SWITCH_AMODE
-       select PREEMPT
        ---help---
          Support hosting paravirtualized guest machines using the SIE
          virtualization capability on the mainframe. This should work
index 349581a..47a0b64 100644 (file)
@@ -105,6 +105,9 @@ static intercept_handler_t instruction_handlers[256] = {
 static int handle_noop(struct kvm_vcpu *vcpu)
 {
        switch (vcpu->arch.sie_block->icptcode) {
+       case 0x0:
+               vcpu->stat.exit_null++;
+               break;
        case 0x10:
                vcpu->stat.exit_external_request++;
                break;
index 98d1e73..0ac36a6 100644 (file)
@@ -31,6 +31,7 @@
 
 struct kvm_stats_debugfs_item debugfs_entries[] = {
        { "userspace_handled", VCPU_STAT(exit_userspace) },
+       { "exit_null", VCPU_STAT(exit_null) },
        { "exit_validity", VCPU_STAT(exit_validity) },
        { "exit_stop_request", VCPU_STAT(exit_stop_request) },
        { "exit_external_request", VCPU_STAT(exit_external_request) },
@@ -221,10 +222,6 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
        vcpu->arch.guest_fpregs.fpc &= FPC_VALID_MASK;
        restore_fp_regs(&vcpu->arch.guest_fpregs);
        restore_access_regs(vcpu->arch.guest_acrs);
-
-       if (signal_pending(current))
-               atomic_set_mask(CPUSTAT_STOP_INT,
-                       &vcpu->arch.sie_block->cpuflags);
 }
 
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
index fb988a4..2a74581 100644 (file)
@@ -5,3 +5,4 @@
 obj-y   := init.o fault.o extmem.o mmap.o vmem.o pgtable.o
 obj-$(CONFIG_CMM) += cmm.o
 obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
+obj-$(CONFIG_PAGE_STATES) += page-states.o
index fa31de6..29f3a63 100644 (file)
@@ -126,6 +126,9 @@ void __init mem_init(void)
         /* clear the zero-page */
         memset(empty_zero_page, 0, PAGE_SIZE);
 
+       /* Setup guest page hinting */
+       cmma_init();
+
        /* this will put all low memory onto the freelists */
        totalram_pages += free_all_bootmem();
 
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c
new file mode 100644 (file)
index 0000000..fc0ad73
--- /dev/null
@@ -0,0 +1,79 @@
+/*
+ * arch/s390/mm/page-states.c
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Guest page hinting for unused pages.
+ *
+ * Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#define ESSA_SET_STABLE                1
+#define ESSA_SET_UNUSED                2
+
+static int cmma_flag;
+
+static int __init cmma(char *str)
+{
+       char *parm;
+       parm = strstrip(str);
+       if (strcmp(parm, "yes") == 0 || strcmp(parm, "on") == 0) {
+               cmma_flag = 1;
+               return 1;
+       }
+       cmma_flag = 0;
+       if (strcmp(parm, "no") == 0 || strcmp(parm, "off") == 0)
+               return 1;
+       return 0;
+}
+
+__setup("cmma=", cmma);
+
+void __init cmma_init(void)
+{
+       register unsigned long tmp asm("0") = 0;
+       register int rc asm("1") = -EOPNOTSUPP;
+
+       if (!cmma_flag)
+               return;
+       asm volatile(
+               "       .insn rrf,0xb9ab0000,%1,%1,0,0\n"
+               "0:     la      %0,0\n"
+               "1:\n"
+               EX_TABLE(0b,1b)
+               : "+&d" (rc), "+&d" (tmp));
+       if (rc)
+               cmma_flag = 0;
+}
+
+void arch_free_page(struct page *page, int order)
+{
+       int i, rc;
+
+       if (!cmma_flag)
+               return;
+       for (i = 0; i < (1 << order); i++)
+               asm volatile(".insn rrf,0xb9ab0000,%0,%1,%2,0"
+                            : "=&d" (rc)
+                            : "a" ((page_to_pfn(page) + i) << PAGE_SHIFT),
+                              "i" (ESSA_SET_UNUSED));
+}
+
+void arch_alloc_page(struct page *page, int order)
+{
+       int i, rc;
+
+       if (!cmma_flag)
+               return;
+       for (i = 0; i < (1 << order); i++)
+               asm volatile(".insn rrf,0xb9ab0000,%0,%1,%2,0"
+                            : "=&d" (rc)
+                            : "a" ((page_to_pfn(page) + i) << PAGE_SHIFT),
+                              "i" (ESSA_SET_STABLE));
+}
index e7f3519..36431f3 100644 (file)
@@ -419,14 +419,26 @@ asmlinkage int sparc_do_fork(unsigned long clone_flags,
                              unsigned long stack_size)
 {
        unsigned long parent_tid_ptr, child_tid_ptr;
+       unsigned long orig_i1 = regs->u_regs[UREG_I1];
+       long ret;
 
        parent_tid_ptr = regs->u_regs[UREG_I2];
        child_tid_ptr = regs->u_regs[UREG_I4];
 
-       return do_fork(clone_flags, stack_start,
-                      regs, stack_size,
-                      (int __user *) parent_tid_ptr,
-                      (int __user *) child_tid_ptr);
+       ret = do_fork(clone_flags, stack_start,
+                     regs, stack_size,
+                     (int __user *) parent_tid_ptr,
+                     (int __user *) child_tid_ptr);
+
+       /* If we get an error and potentially restart the system
+        * call, we're screwed because copy_thread() clobbered
+        * the parent's %o1.  So detect that case and restore it
+        * here.
+        */
+       if ((unsigned long)ret >= -ERESTART_RESTARTBLOCK)
+               regs->u_regs[UREG_I1] = orig_i1;
+
+       return ret;
 }
 
 /* Copy a Sparc thread.  The fork() return value conventions
index f188b5d..e995491 100644 (file)
@@ -223,8 +223,7 @@ int sparc_mmap_check(unsigned long addr, unsigned long len, unsigned long flags)
 {
        if (ARCH_SUN4C_SUN4 &&
            (len > 0x20000000 ||
-            ((flags & MAP_FIXED) &&
-             addr < 0xe0000000 && addr + len > 0x20000000)))
+            (addr < 0xe0000000 && addr + len > 0x20000000)))
                return -EINVAL;
 
        /* See asm-sparc/uaccess.h */
index 500ac6d..4129c04 100644 (file)
@@ -503,6 +503,8 @@ asmlinkage long sparc_do_fork(unsigned long clone_flags,
                              unsigned long stack_size)
 {
        int __user *parent_tid_ptr, *child_tid_ptr;
+       unsigned long orig_i1 = regs->u_regs[UREG_I1];
+       long ret;
 
 #ifdef CONFIG_COMPAT
        if (test_thread_flag(TIF_32BIT)) {
@@ -515,9 +517,19 @@ asmlinkage long sparc_do_fork(unsigned long clone_flags,
                child_tid_ptr = (int __user *) regs->u_regs[UREG_I4];
        }
 
-       return do_fork(clone_flags, stack_start,
-                      regs, stack_size,
-                      parent_tid_ptr, child_tid_ptr);
+       ret = do_fork(clone_flags, stack_start,
+                     regs, stack_size,
+                     parent_tid_ptr, child_tid_ptr);
+
+       /* If we get an error and potentially restart the system
+        * call, we're screwed because copy_thread() clobbered
+        * the parent's %o1.  So detect that case and restore it
+        * here.
+        */
+       if ((unsigned long)ret >= -ERESTART_RESTARTBLOCK)
+               regs->u_regs[UREG_I1] = orig_i1;
+
+       return ret;
 }
 
 /* Copy a Sparc thread.  The fork() return value conventions
index 3aba476..0d6403a 100644 (file)
@@ -865,21 +865,14 @@ void smp_call_function_client(int irq, struct pt_regs *regs)
        void *info = call_data->info;
 
        clear_softint(1 << irq);
-
-       irq_enter();
-
-       if (!call_data->wait) {
-               /* let initiator proceed after getting data */
-               atomic_inc(&call_data->finished);
-       }
-
-       func(info);
-
-       irq_exit();
-
        if (call_data->wait) {
                /* let initiator proceed only after completion */
+               func(info);
                atomic_inc(&call_data->finished);
+       } else {
+               /* let initiator proceed after getting data */
+               atomic_inc(&call_data->finished);
+               func(info);
        }
 }
 
@@ -1041,9 +1034,7 @@ void smp_receive_signal(int cpu)
 
 void smp_receive_signal_client(int irq, struct pt_regs *regs)
 {
-       irq_enter();
        clear_softint(1 << irq);
-       irq_exit();
 }
 
 void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
@@ -1051,8 +1042,6 @@ void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
        struct mm_struct *mm;
        unsigned long flags;
 
-       irq_enter();
-
        clear_softint(1 << irq);
 
        /* See if we need to allocate a new TLB context because
@@ -1072,8 +1061,6 @@ void smp_new_mmu_context_version_client(int irq, struct pt_regs *regs)
        load_secondary_context(mm);
        __flush_tlb_mm(CTX_HWBITS(mm->context),
                       SECONDARY_CONTEXT);
-
-       irq_exit();
 }
 
 void smp_new_mmu_context_version(void)
@@ -1239,8 +1226,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs)
 {
        clear_softint(1 << irq);
 
-       irq_enter();
-
        preempt_disable();
 
        __asm__ __volatile__("flushw");
@@ -1253,8 +1238,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs)
        prom_world(0);
 
        preempt_enable();
-
-       irq_exit();
 }
 
 /* /proc/profile writes can call this, don't __init it please. */
index 8d4761f..0dbc941 100644 (file)
@@ -549,13 +549,13 @@ int sparc64_mmap_check(unsigned long addr, unsigned long len,
                if (len >= STACK_TOP32)
                        return -EINVAL;
 
-               if ((flags & MAP_FIXED) && addr > STACK_TOP32 - len)
+               if (addr > STACK_TOP32 - len)
                        return -EINVAL;
        } else {
                if (len >= VA_EXCLUDE_START)
                        return -EINVAL;
 
-               if ((flags & MAP_FIXED) && invalid_64bit_range(addr, len))
+               if (invalid_64bit_range(addr, len))
                        return -EINVAL;
        }
 
index 161ce47..1aa4288 100644 (file)
@@ -236,13 +236,6 @@ asmlinkage long sys32_getegid16(void)
 
 /* 32-bit timeval and related flotsam.  */
 
-static long get_tv32(struct timeval *o, struct compat_timeval __user *i)
-{
-       return (!access_ok(VERIFY_READ, i, sizeof(*i)) ||
-               (__get_user(o->tv_sec, &i->tv_sec) |
-                __get_user(o->tv_usec, &i->tv_usec)));
-}
-
 static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
 {
        return (!access_ok(VERIFY_WRITE, o, sizeof(*o)) ||
@@ -757,30 +750,6 @@ asmlinkage long sys32_settimeofday(struct compat_timeval __user *tv,
        return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
 }
 
-asmlinkage long sys32_utimes(char __user *filename,
-                            struct compat_timeval __user *tvs)
-{
-       struct timespec tv[2];
-
-       if (tvs) {
-               struct timeval ktvs[2];
-               if (get_tv32(&ktvs[0], tvs) ||
-                   get_tv32(&ktvs[1], 1+tvs))
-                       return -EFAULT;
-
-               if (ktvs[0].tv_usec < 0 || ktvs[0].tv_usec >= 1000000 ||
-                   ktvs[1].tv_usec < 0 || ktvs[1].tv_usec >= 1000000)
-                       return -EINVAL;
-
-               tv[0].tv_sec = ktvs[0].tv_sec;
-               tv[0].tv_nsec = 1000 * ktvs[0].tv_usec;
-               tv[1].tv_sec = ktvs[1].tv_sec;
-               tv[1].tv_nsec = 1000 * ktvs[1].tv_usec;
-       }
-
-       return do_utimes(AT_FDCWD, filename, tvs ? tv : NULL, 0);
-}
-
 /* These are here just in case some old sparc32 binary calls it. */
 asmlinkage long sys32_pause(void)
 {
index a4fef2b..8b5282d 100644 (file)
@@ -45,7 +45,7 @@ sys_call_table32:
 /*120*/        .word compat_sys_readv, compat_sys_writev, sys32_settimeofday, sys32_fchown16, sys_fchmod
        .word sys_nis_syscall, sys32_setreuid16, sys32_setregid16, sys_rename, sys_truncate
 /*130*/        .word sys_ftruncate, sys_flock, compat_sys_lstat64, sys_nis_syscall, sys_nis_syscall
-       .word sys_nis_syscall, sys32_mkdir, sys_rmdir, sys32_utimes, compat_sys_stat64
+       .word sys_nis_syscall, sys32_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64
 /*140*/        .word sys32_sendfile64, sys_nis_syscall, sys32_futex, sys_gettid, compat_sys_getrlimit
        .word compat_sys_setrlimit, sys_pivot_root, sys32_prctl, sys_pciconfig_read, sys_pciconfig_write
 /*150*/        .word sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
index 4cad0b3..ec3e2c7 100644 (file)
@@ -771,6 +771,9 @@ static void __init find_ramdisk(unsigned long phys_base)
                initrd_end = ramdisk_image + sparc_ramdisk_size;
 
                lmb_reserve(initrd_start, initrd_end);
+
+               initrd_start += PAGE_OFFSET;
+               initrd_end += PAGE_OFFSET;
        }
 #endif
 }
@@ -2362,16 +2365,3 @@ void __flush_tlb_all(void)
        __asm__ __volatile__("wrpr      %0, 0, %%pstate"
                             : : "r" (pstate));
 }
-
-#ifdef CONFIG_MEMORY_HOTPLUG
-
-void online_page(struct page *page)
-{
-       ClearPageReserved(page);
-       init_page_count(page);
-       __free_page(page);
-       totalram_pages++;
-       num_physpages++;
-}
-
-#endif /* CONFIG_MEMORY_HOTPLUG */
index 10b86e1..5047490 100644 (file)
@@ -191,9 +191,9 @@ void line_flush_chars(struct tty_struct *tty)
        line_flush_buffer(tty);
 }
 
-void line_put_char(struct tty_struct *tty, unsigned char ch)
+int line_put_char(struct tty_struct *tty, unsigned char ch)
 {
-       line_write(tty, &ch, sizeof(ch));
+       return line_write(tty, &ch, sizeof(ch));
 }
 
 int line_write(struct tty_struct *tty, const unsigned char *buf, int len)
index 1223f2c..979b73e 100644 (file)
@@ -71,7 +71,7 @@ extern int line_setup(struct line *lines, unsigned int sizeof_lines,
                      char *init, char **error_out);
 extern int line_write(struct tty_struct *tty, const unsigned char *buf,
                      int len);
-extern void line_put_char(struct tty_struct *tty, unsigned char ch);
+extern int line_put_char(struct tty_struct *tty, unsigned char ch);
 extern void line_set_termios(struct tty_struct *tty, struct ktermios * old);
 extern int line_chars_in_buffer(struct tty_struct *tty);
 extern void line_flush_buffer(struct tty_struct *tty);
index 1264c4b..ef3b65b 100644 (file)
@@ -1,7 +1,17 @@
 menuconfig ACCESSIBILITY
        bool "Accessibility support"
        ---help---
-         Enable a submenu where accessibility items may be enabled.
+         Accessibility handles all special kinds of hardware devices or
+         software adapters which help people with disabilities (e.g.
+         blindness) to use computers.
+
+         That includes braille devices, speech synthesis, keyboard
+         remapping, etc.
+
+         Say Y here to get to see options for accessibility.
+         This option alone does not add any kernel code.
+
+         If you say N, all options in this submenu will be skipped and disabled.
 
          If unsure, say N.
 
index f39f6fd..b1a7a8c 100644 (file)
@@ -970,7 +970,8 @@ static int sx_set_real_termios(void *ptr)
                sx_write_channel_byte(port, hi_mask, 0x1f);
                break;
        default:
-               printk(KERN_INFO "sx: Invalid wordsize: %u\n", CFLAG & CSIZE);
+               printk(KERN_INFO "sx: Invalid wordsize: %u\n",
+                       (unsigned int)CFLAG & CSIZE);
                break;
        }
 
@@ -997,7 +998,8 @@ static int sx_set_real_termios(void *ptr)
                set_bit(TTY_HW_COOK_IN, &port->gs.tty->flags);
        }
        sx_dprintk(SX_DEBUG_TERMIOS, "iflags: %x(%d) ",
-                       port->gs.tty->termios->c_iflag, I_OTHER(port->gs.tty));
+                       (unsigned int)port->gs.tty->termios->c_iflag,
+                       I_OTHER(port->gs.tty));
 
 /* Tell line discipline whether we will do output cooking.
  * If OPOST is set and no other output flags are set then we can do output
@@ -1010,7 +1012,8 @@ static int sx_set_real_termios(void *ptr)
                clear_bit(TTY_HW_COOK_OUT, &port->gs.tty->flags);
        }
        sx_dprintk(SX_DEBUG_TERMIOS, "oflags: %x(%d)\n",
-                       port->gs.tty->termios->c_oflag, O_OTHER(port->gs.tty));
+                       (unsigned int)port->gs.tty->termios->c_oflag,
+                       O_OTHER(port->gs.tty));
        /* port->c_dcd = sx_get_CD (port); */
        func_exit();
        return 0;
index e458b08..fa1ffbf 100644 (file)
@@ -2742,6 +2742,10 @@ static int con_open(struct tty_struct *tty, struct file *filp)
                                tty->winsize.ws_row = vc_cons[currcons].d->vc_rows;
                                tty->winsize.ws_col = vc_cons[currcons].d->vc_cols;
                        }
+                       if (vc->vc_utf)
+                               tty->termios->c_iflag |= IUTF8;
+                       else
+                               tty->termios->c_iflag &= ~IUTF8;
                        release_console_sem();
                        vcs_make_sysfs(tty);
                        return ret;
@@ -2918,6 +2922,8 @@ int __init vty_init(void)
        console_driver->minor_start = 1;
        console_driver->type = TTY_DRIVER_TYPE_CONSOLE;
        console_driver->init_termios = tty_std_termios;
+       if (default_utf8)
+               console_driver->init_termios.c_iflag |= IUTF8;
        console_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS;
        tty_set_operations(console_driver, &con_ops);
        if (tty_register_driver(console_driver))
index 5938fa9..faf3d89 100644 (file)
@@ -886,7 +886,7 @@ static int make_request(struct request_queue *q, struct bio * bio)
         */
        raid10_find_phys(conf, r10_bio);
  retry_write:
-       blocked_rdev = 0;
+       blocked_rdev = NULL;
        rcu_read_lock();
        for (i = 0;  i < conf->copies; i++) {
                int d = r10_bio->devs[i].devnum;
index 8f5ed9b..3f55d47 100644 (file)
@@ -613,7 +613,7 @@ static int __devinit cx18_probe(struct pci_dev *dev,
        }
 
        cx = kzalloc(sizeof(struct cx18), GFP_ATOMIC);
-       if (cx == 0) {
+       if (!cx) {
                spin_unlock(&cx18_cards_lock);
                return -ENOMEM;
        }
index a0baf2d..48e1a01 100644 (file)
@@ -1634,7 +1634,7 @@ static int saa7134_s_fmt_overlay(struct file *file, void *priv,
        struct saa7134_fh *fh = priv;
        struct saa7134_dev *dev = fh->dev;
        int err;
-       unsigned int flags;
+       unsigned long flags;
 
        if (saa7134_no_overlay > 0) {
                printk(KERN_ERR "V4L2_BUF_TYPE_VIDEO_OVERLAY: no_overlay\n");
index 6f245cf..dc6f097 100644 (file)
@@ -1381,6 +1381,10 @@ static const struct usb_device_id        products [] = {
        USB_DEVICE (0x0411, 0x003d),
        .driver_info =  (unsigned long) &ax8817x_info,
 }, {
+       // Buffalo LUA-U2-GT 10/100/1000
+       USB_DEVICE (0x0411, 0x006e),
+       .driver_info =  (unsigned long) &ax88178_info,
+}, {
        // Sitecom LN-029 "USB 2.0 10/100 Ethernet adapter"
        USB_DEVICE (0x6189, 0x182d),
        .driver_info =  (unsigned long) &ax8817x_info,
index a83a40b..0f0d27d 100644 (file)
@@ -184,7 +184,7 @@ ds1511_wdog_disable(void)
 static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
 {
        u8 mon, day, dow, hrs, min, sec, yrs, cen;
-       unsigned int flags;
+       unsigned long flags;
 
        /*
         * won't have to change this for a while
@@ -247,7 +247,7 @@ static int ds1511_rtc_set_time(struct device *dev, struct rtc_time *rtc_tm)
 static int ds1511_rtc_read_time(struct device *dev, struct rtc_time *rtc_tm)
 {
        unsigned int century;
-       unsigned int flags;
+       unsigned long flags;
 
        spin_lock_irqsave(&ds1511_lock, flags);
        rtc_disable_update();
index c1f2ade..5043150 100644 (file)
@@ -965,8 +965,7 @@ tty3270_write_room(struct tty_struct *tty)
  * Insert character into the screen at the current position with the
  * current color and highlight. This function does NOT do cursor movement.
  */
-static int
-tty3270_put_character(struct tty3270 *tp, char ch)
+static void tty3270_put_character(struct tty3270 *tp, char ch)
 {
        struct tty3270_line *line;
        struct tty3270_cell *cell;
@@ -986,7 +985,6 @@ tty3270_put_character(struct tty3270 *tp, char ch)
        cell->character = tp->view.ascebc[(unsigned int) ch];
        cell->highlight = tp->highlight;
        cell->f_color = tp->f_color;
-       return 1;
 }
 
 /*
@@ -1612,16 +1610,15 @@ tty3270_write(struct tty_struct * tty,
 /*
  * Put single characters to the ttys character buffer
  */
-static void
-tty3270_put_char(struct tty_struct *tty, unsigned char ch)
+static int tty3270_put_char(struct tty_struct *tty, unsigned char ch)
 {
        struct tty3270 *tp;
 
        tp = tty->driver_data;
-       if (!tp)
-               return;
-       if (tp->char_count < TTY3270_CHAR_BUF_SIZE)
-               tp->char_buf[tp->char_count++] = ch;
+       if (!tp || tp->char_count >= TTY3270_CHAR_BUF_SIZE)
+               return 0;
+       tp->char_buf[tp->char_count++] = ch;
+       return 1;
 }
 
 /*
index 40ef948..9c21b8f 100644 (file)
@@ -19,6 +19,7 @@
 
 #include <asm/cio.h>
 #include <asm/uaccess.h>
+#include <asm/cio.h>
 
 #include "blacklist.h"
 #include "cio.h"
@@ -43,164 +44,169 @@ typedef enum {add, free} range_action;
  * Function: blacklist_range
  * (Un-)blacklist the devices from-to
  */
-static void
-blacklist_range (range_action action, unsigned int from, unsigned int to,
-                unsigned int ssid)
+static int blacklist_range(range_action action, unsigned int from_ssid,
+                          unsigned int to_ssid, unsigned int from,
+                          unsigned int to, int msgtrigger)
 {
-       if (!to)
-               to = from;
-
-       if (from > to || to > __MAX_SUBCHANNEL || ssid > __MAX_SSID) {
-               printk (KERN_WARNING "cio: Invalid blacklist range "
-                       "0.%x.%04x to 0.%x.%04x, skipping\n",
-                       ssid, from, ssid, to);
-               return;
+       if ((from_ssid > to_ssid) || ((from_ssid == to_ssid) && (from > to))) {
+               if (msgtrigger)
+                       printk(KERN_WARNING "cio: Invalid cio_ignore range "
+                              "0.%x.%04x-0.%x.%04x\n", from_ssid, from,
+                              to_ssid, to);
+               return 1;
        }
-       for (; from <= to; from++) {
+
+       while ((from_ssid < to_ssid) || ((from_ssid == to_ssid) &&
+              (from <= to))) {
                if (action == add)
-                       set_bit (from, bl_dev[ssid]);
+                       set_bit(from, bl_dev[from_ssid]);
                else
-                       clear_bit (from, bl_dev[ssid]);
+                       clear_bit(from, bl_dev[from_ssid]);
+               from++;
+               if (from > __MAX_SUBCHANNEL) {
+                       from_ssid++;
+                       from = 0;
+               }
        }
+
+       return 0;
 }
 
-/*
- * Function: blacklist_busid
- * Get devno/busid from given string.
- * Shamelessly grabbed from dasd_devmap.c.
- */
-static int
-blacklist_busid(char **str, int *id0, int *ssid, int *devno)
+static int pure_hex(char **cp, unsigned int *val, int min_digit,
+                   int max_digit, int max_val)
 {
-       int val, old_style;
-       char *sav;
+       int diff;
+       unsigned int value;
 
-       sav = *str;
+       diff = 0;
+       *val = 0;
 
-       /* check for leading '0x' */
-       old_style = 0;
-       if ((*str)[0] == '0' && (*str)[1] == 'x') {
-               *str += 2;
-               old_style = 1;
-       }
-       if (!isxdigit((*str)[0]))       /* We require at least one hex digit */
-               goto confused;
-       val = simple_strtoul(*str, str, 16);
-       if (old_style || (*str)[0] != '.') {
-               *id0 = *ssid = 0;
-               if (val < 0 || val > 0xffff)
-                       goto confused;
-               *devno = val;
-               if ((*str)[0] != ',' && (*str)[0] != '-' &&
-                   (*str)[0] != '\n' && (*str)[0] != '\0')
-                       goto confused;
-               return 0;
+       while (isxdigit(**cp) && (diff <= max_digit)) {
+
+               if (isdigit(**cp))
+                       value = **cp - '0';
+               else
+                       value = tolower(**cp) - 'a' + 10;
+               *val = *val * 16 + value;
+               (*cp)++;
+               diff++;
        }
-       /* New style x.y.z busid */
-       if (val < 0 || val > 0xff)
-               goto confused;
-       *id0 = val;
-       (*str)++;
-       if (!isxdigit((*str)[0]))       /* We require at least one hex digit */
-               goto confused;
-       val = simple_strtoul(*str, str, 16);
-       if (val < 0 || val > 0xff || (*str)++[0] != '.')
-               goto confused;
-       *ssid = val;
-       if (!isxdigit((*str)[0]))       /* We require at least one hex digit */
-               goto confused;
-       val = simple_strtoul(*str, str, 16);
-       if (val < 0 || val > 0xffff)
-               goto confused;
-       *devno = val;
-       if ((*str)[0] != ',' && (*str)[0] != '-' &&
-           (*str)[0] != '\n' && (*str)[0] != '\0')
-               goto confused;
+
+       if ((diff < min_digit) || (diff > max_digit) || (*val > max_val))
+               return 1;
+
        return 0;
-confused:
-       strsep(str, ",\n");
-       printk(KERN_WARNING "cio: Invalid cio_ignore parameter '%s'\n", sav);
-       return 1;
 }
 
-static int
-blacklist_parse_parameters (char *str, range_action action)
+static int parse_busid(char *str, int *cssid, int *ssid, int *devno,
+                      int msgtrigger)
 {
-       int from, to, from_id0, to_id0, from_ssid, to_ssid;
-
-       while (*str != 0 && *str != '\n') {
-               range_action ra = action;
-               while(*str == ',')
-                       str++;
-               if (*str == '!') {
-                       ra = !action;
-                       ++str;
+       char *str_work;
+       int val, rc, ret;
+
+       rc = 1;
+
+       if (*str == '\0')
+               goto out;
+
+       /* old style */
+       str_work = str;
+       val = simple_strtoul(str, &str_work, 16);
+
+       if (*str_work == '\0') {
+               if (val <= __MAX_SUBCHANNEL) {
+                       *devno = val;
+                       *ssid = 0;
+                       *cssid = 0;
+                       rc = 0;
                }
+               goto out;
+       }
 
-               /*
-                * Since we have to parse the proc commands and the
-                * kernel arguments we have to check four cases
-                */
-               if (strncmp(str,"all,",4) == 0 || strcmp(str,"all") == 0 ||
-                   strncmp(str,"all\n",4) == 0 || strncmp(str,"all ",4) == 0) {
-                       int j;
-
-                       str += 3;
-                       for (j=0; j <= __MAX_SSID; j++)
-                               blacklist_range(ra, 0, __MAX_SUBCHANNEL, j);
-               } else {
-                       int rc;
+       /* new style */
+       str_work = str;
+       ret = pure_hex(&str_work, cssid, 1, 2, __MAX_CSSID);
+       if (ret || (str_work[0] != '.'))
+               goto out;
+       str_work++;
+       ret = pure_hex(&str_work, ssid, 1, 1, __MAX_SSID);
+       if (ret || (str_work[0] != '.'))
+               goto out;
+       str_work++;
+       ret = pure_hex(&str_work, devno, 4, 4, __MAX_SUBCHANNEL);
+       if (ret || (str_work[0] != '\0'))
+               goto out;
+
+       rc = 0;
+out:
+       if (rc && msgtrigger)
+               printk(KERN_WARNING "cio: Invalid cio_ignore device '%s'\n",
+                      str);
+
+       return rc;
+}
 
-                       rc = blacklist_busid(&str, &from_id0,
-                                            &from_ssid, &from);
-                       if (rc)
-                               continue;
-                       to = from;
-                       to_id0 = from_id0;
-                       to_ssid = from_ssid;
-                       if (*str == '-') {
-                               str++;
-                               rc = blacklist_busid(&str, &to_id0,
-                                                    &to_ssid, &to);
-                               if (rc)
-                                       continue;
-                       }
-                       if (*str == '-') {
-                               printk(KERN_WARNING "cio: invalid cio_ignore "
-                                       "parameter '%s'\n",
-                                       strsep(&str, ",\n"));
-                               continue;
-                       }
-                       if ((from_id0 != to_id0) ||
-                           (from_ssid != to_ssid)) {
-                               printk(KERN_WARNING "cio: invalid cio_ignore "
-                                      "range %x.%x.%04x-%x.%x.%04x\n",
-                                      from_id0, from_ssid, from,
-                                      to_id0, to_ssid, to);
-                               continue;
+static int blacklist_parse_parameters(char *str, range_action action,
+                                     int msgtrigger)
+{
+       int from_cssid, to_cssid, from_ssid, to_ssid, from, to;
+       int rc, totalrc;
+       char *parm;
+       range_action ra;
+
+       totalrc = 0;
+
+       while ((parm = strsep(&str, ","))) {
+               rc = 0;
+               ra = action;
+               if (*parm == '!') {
+                       if (ra == add)
+                               ra = free;
+                       else
+                               ra = add;
+                       parm++;
+               }
+               if (strcmp(parm, "all") == 0) {
+                       from_cssid = 0;
+                       from_ssid = 0;
+                       from = 0;
+                       to_cssid = __MAX_CSSID;
+                       to_ssid = __MAX_SSID;
+                       to = __MAX_SUBCHANNEL;
+               } else {
+                       rc = parse_busid(strsep(&parm, "-"), &from_cssid,
+                                        &from_ssid, &from, msgtrigger);
+                       if (!rc) {
+                               if (parm != NULL)
+                                       rc = parse_busid(parm, &to_cssid,
+                                                        &to_ssid, &to,
+                                                        msgtrigger);
+                               else {
+                                       to_cssid = from_cssid;
+                                       to_ssid = from_ssid;
+                                       to = from;
+                               }
                        }
-                       blacklist_range (ra, from, to, to_ssid);
                }
+               if (!rc) {
+                       rc = blacklist_range(ra, from_ssid, to_ssid, from, to,
+                                            msgtrigger);
+                       if (rc)
+                               totalrc = 1;
+               } else
+                       totalrc = 1;
        }
-       return 1;
+
+       return totalrc;
 }
 
-/* Parsing the commandline for blacklist parameters, e.g. to blacklist
- * bus ids 0.0.1234, 0.0.1235 and 0.0.1236, you could use any of:
- * - cio_ignore=1234-1236
- * - cio_ignore=0x1234-0x1235,1236
- * - cio_ignore=0x1234,1235-1236
- * - cio_ignore=1236 cio_ignore=1234-0x1236
- * - cio_ignore=1234 cio_ignore=1236 cio_ignore=0x1235
- * - cio_ignore=0.0.1234-0.0.1236
- * - cio_ignore=0.0.1234,0x1235,1236
- * - ...
- */
 static int __init
 blacklist_setup (char *str)
 {
        CIO_MSG_EVENT(6, "Reading blacklist parameters\n");
-       return blacklist_parse_parameters (str, add);
+       if (blacklist_parse_parameters(str, add, 1))
+               return 0;
+       return 1;
 }
 
 __setup ("cio_ignore=", blacklist_setup);
@@ -224,27 +230,23 @@ is_blacklisted (int ssid, int devno)
  * Function: blacklist_parse_proc_parameters
  * parse the stuff which is piped to /proc/cio_ignore
  */
-static void
-blacklist_parse_proc_parameters (char *buf)
+static int blacklist_parse_proc_parameters(char *buf)
 {
-       if (strncmp (buf, "free ", 5) == 0) {
-               blacklist_parse_parameters (buf + 5, free);
-       } else if (strncmp (buf, "add ", 4) == 0) {
-               /* 
-                * We don't need to check for known devices since
-                * css_probe_device will handle this correctly. 
-                */
-               blacklist_parse_parameters (buf + 4, add);
-       } else {
-               printk (KERN_WARNING "cio: cio_ignore: Parse error; \n"
-                       KERN_WARNING "try using 'free all|<devno-range>,"
-                                    "<devno-range>,...'\n"
-                       KERN_WARNING "or 'add <devno-range>,"
-                                    "<devno-range>,...'\n");
-               return;
-       }
+       int rc;
+       char *parm;
+
+       parm = strsep(&buf, " ");
+
+       if (strcmp("free", parm) == 0)
+               rc = blacklist_parse_parameters(buf, free, 0);
+       else if (strcmp("add", parm) == 0)
+               rc = blacklist_parse_parameters(buf, add, 0);
+       else
+               return 1;
 
        css_schedule_reprobe();
+
+       return rc;
 }
 
 /* Iterator struct for all devices. */
@@ -328,6 +330,8 @@ cio_ignore_write(struct file *file, const char __user *user_buf,
                 size_t user_len, loff_t *offset)
 {
        char *buf;
+       size_t i;
+       ssize_t rc, ret;
 
        if (*offset)
                return -EINVAL;
@@ -336,16 +340,27 @@ cio_ignore_write(struct file *file, const char __user *user_buf,
        buf = vmalloc (user_len + 1); /* maybe better use the stack? */
        if (buf == NULL)
                return -ENOMEM;
+       memset(buf, 0, user_len + 1);
+
        if (strncpy_from_user (buf, user_buf, user_len) < 0) {
-               vfree (buf);
-               return -EFAULT;
+               rc = -EFAULT;
+               goto out_free;
        }
-       buf[user_len] = '\0';
 
-       blacklist_parse_proc_parameters (buf);
+       i = user_len - 1;
+       while ((i >= 0) && (isspace(buf[i]) || (buf[i] == 0))) {
+               buf[i] = '\0';
+               i--;
+       }
+       ret = blacklist_parse_proc_parameters(buf);
+       if (ret)
+               rc = -EINVAL;
+       else
+               rc = user_len;
 
+out_free:
        vfree (buf);
-       return user_len;
+       return rc;
 }
 
 static const struct seq_operations cio_ignore_proc_seq_ops = {
index 08a5781..82c6a2d 100644 (file)
@@ -39,23 +39,6 @@ debug_info_t *cio_debug_msg_id;
 debug_info_t *cio_debug_trace_id;
 debug_info_t *cio_debug_crw_id;
 
-int cio_show_msg;
-
-static int __init
-cio_setup (char *parm)
-{
-       if (!strcmp (parm, "yes"))
-               cio_show_msg = 1;
-       else if (!strcmp (parm, "no"))
-               cio_show_msg = 0;
-       else
-               printk(KERN_ERR "cio: cio_setup: "
-                      "invalid cio_msg parameter '%s'", parm);
-       return 1;
-}
-
-__setup ("cio_msg=", cio_setup);
-
 /*
  * Function: cio_debug_init
  * Initializes three debug logs for common I/O:
@@ -166,7 +149,7 @@ cio_start_handle_notoper(struct subchannel *sch, __u8 lpm)
 
        stsch (sch->schid, &sch->schib);
 
-       CIO_MSG_EVENT(0, "cio_start: 'not oper' status for "
+       CIO_MSG_EVENT(2, "cio_start: 'not oper' status for "
                      "subchannel 0.%x.%04x!\n", sch->schid.ssid,
                      sch->schid.sch_no);
        sprintf(dbf_text, "no%s", sch->dev.bus_id);
@@ -567,10 +550,9 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
         * ... just being curious we check for non I/O subchannels
         */
        if (sch->st != 0) {
-               CIO_DEBUG(KERN_INFO, 0,
-                         "Subchannel 0.%x.%04x reports "
-                         "non-I/O subchannel type %04X\n",
-                         sch->schid.ssid, sch->schid.sch_no, sch->st);
+               CIO_MSG_EVENT(4, "Subchannel 0.%x.%04x reports "
+                             "non-I/O subchannel type %04X\n",
+                             sch->schid.ssid, sch->schid.sch_no, sch->st);
                /* We stop here for non-io subchannels. */
                err = sch->st;
                goto out;
@@ -588,7 +570,7 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
                 * This device must not be known to Linux. So we simply
                 * say that there is no device and return ENODEV.
                 */
-               CIO_MSG_EVENT(4, "Blacklisted device detected "
+               CIO_MSG_EVENT(6, "Blacklisted device detected "
                              "at devno %04X, subchannel set %x\n",
                              sch->schib.pmcw.dev, sch->schid.ssid);
                err = -ENODEV;
@@ -601,12 +583,11 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid)
        sch->lpm = sch->schib.pmcw.pam & sch->opm;
        sch->isc = 3;
 
-       CIO_DEBUG(KERN_INFO, 0,
-                 "Detected device %04x on subchannel 0.%x.%04X"
-                 " - PIM = %02X, PAM = %02X, POM = %02X\n",
-                 sch->schib.pmcw.dev, sch->schid.ssid,
-                 sch->schid.sch_no, sch->schib.pmcw.pim,
-                 sch->schib.pmcw.pam, sch->schib.pmcw.pom);
+       CIO_MSG_EVENT(6, "Detected device %04x on subchannel 0.%x.%04X "
+                     "- PIM = %02X, PAM = %02X, POM = %02X\n",
+                     sch->schib.pmcw.dev, sch->schid.ssid,
+                     sch->schid.sch_no, sch->schib.pmcw.pim,
+                     sch->schib.pmcw.pam, sch->schib.pmcw.pom);
 
        /*
         * We now have to initially ...
index 3c75412..6e933ae 100644 (file)
@@ -118,6 +118,4 @@ extern void *cio_get_console_priv(void);
 #define cio_get_console_priv() NULL
 #endif
 
-extern int cio_show_msg;
-
 #endif
index d7429ef..e64e827 100644 (file)
@@ -31,10 +31,4 @@ static inline void CIO_HEX_EVENT(int level, void *data, int length)
        }
 }
 
-#define CIO_DEBUG(printk_level, event_level, msg...) do {      \
-               if (cio_show_msg)                               \
-                       printk(printk_level "cio: " msg);       \
-               CIO_MSG_EVENT(event_level, msg);                \
-       } while (0)
-
 #endif
index 595e327..a769565 100644 (file)
@@ -570,7 +570,7 @@ static void reprobe_all(struct work_struct *unused)
 {
        int ret;
 
-       CIO_MSG_EVENT(2, "reprobe start\n");
+       CIO_MSG_EVENT(4, "reprobe start\n");
 
        need_reprobe = 0;
        /* Make sure initial subchannel scan is done. */
@@ -578,7 +578,7 @@ static void reprobe_all(struct work_struct *unused)
                   atomic_read(&ccw_device_init_count) == 0);
        ret = for_each_subchannel_staged(NULL, reprobe_subchannel, NULL);
 
-       CIO_MSG_EVENT(2, "reprobe done (rc=%d, need_reprobe=%d)\n", ret,
+       CIO_MSG_EVENT(4, "reprobe done (rc=%d, need_reprobe=%d)\n", ret,
                      need_reprobe);
 }
 
index abfd601..e22813d 100644 (file)
@@ -341,7 +341,7 @@ ccw_device_remove_disconnected(struct ccw_device *cdev)
                rc = device_schedule_callback(&cdev->dev,
                                              ccw_device_remove_orphan_cb);
                if (rc)
-                       CIO_MSG_EVENT(2, "Couldn't unregister orphan "
+                       CIO_MSG_EVENT(0, "Couldn't unregister orphan "
                                      "0.%x.%04x\n",
                                      cdev->private->dev_id.ssid,
                                      cdev->private->dev_id.devno);
@@ -351,7 +351,7 @@ ccw_device_remove_disconnected(struct ccw_device *cdev)
        rc = device_schedule_callback(cdev->dev.parent,
                                      ccw_device_remove_sch_cb);
        if (rc)
-               CIO_MSG_EVENT(2, "Couldn't unregister disconnected device "
+               CIO_MSG_EVENT(0, "Couldn't unregister disconnected device "
                              "0.%x.%04x\n",
                              cdev->private->dev_id.ssid,
                              cdev->private->dev_id.devno);
@@ -397,7 +397,7 @@ int ccw_device_set_offline(struct ccw_device *cdev)
        if (ret == 0)
                wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
        else {
-               CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+               CIO_MSG_EVENT(0, "ccw_device_offline returned %d, "
                              "device 0.%x.%04x\n",
                              ret, cdev->private->dev_id.ssid,
                              cdev->private->dev_id.devno);
@@ -433,7 +433,7 @@ int ccw_device_set_online(struct ccw_device *cdev)
        if (ret == 0)
                wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
        else {
-               CIO_MSG_EVENT(2, "ccw_device_online returned %d, "
+               CIO_MSG_EVENT(0, "ccw_device_online returned %d, "
                              "device 0.%x.%04x\n",
                              ret, cdev->private->dev_id.ssid,
                              cdev->private->dev_id.devno);
@@ -451,7 +451,7 @@ int ccw_device_set_online(struct ccw_device *cdev)
        if (ret == 0)
                wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
        else
-               CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+               CIO_MSG_EVENT(0, "ccw_device_offline returned %d, "
                              "device 0.%x.%04x\n",
                              ret, cdev->private->dev_id.ssid,
                              cdev->private->dev_id.devno);
@@ -803,7 +803,7 @@ static void sch_attach_disconnected_device(struct subchannel *sch,
        other_sch = to_subchannel(get_device(cdev->dev.parent));
        ret = device_move(&cdev->dev, &sch->dev);
        if (ret) {
-               CIO_MSG_EVENT(2, "Moving disconnected device 0.%x.%04x failed "
+               CIO_MSG_EVENT(0, "Moving disconnected device 0.%x.%04x failed "
                              "(ret=%d)!\n", cdev->private->dev_id.ssid,
                              cdev->private->dev_id.devno, ret);
                put_device(&other_sch->dev);
@@ -933,7 +933,7 @@ io_subchannel_register(struct work_struct *work)
                        ret = device_reprobe(&cdev->dev);
                        if (ret)
                                /* We can't do much here. */
-                               CIO_MSG_EVENT(2, "device_reprobe() returned"
+                               CIO_MSG_EVENT(0, "device_reprobe() returned"
                                              " %d for 0.%x.%04x\n", ret,
                                              cdev->private->dev_id.ssid,
                                              cdev->private->dev_id.devno);
@@ -1086,7 +1086,7 @@ static void ccw_device_move_to_sch(struct work_struct *work)
        rc = device_move(&cdev->dev, &sch->dev);
        mutex_unlock(&sch->reg_mutex);
        if (rc) {
-               CIO_MSG_EVENT(2, "Moving device 0.%x.%04x to subchannel "
+               CIO_MSG_EVENT(0, "Moving device 0.%x.%04x to subchannel "
                              "0.%x.%04x failed (ret=%d)!\n",
                              cdev->private->dev_id.ssid,
                              cdev->private->dev_id.devno, sch->schid.ssid,
@@ -1446,8 +1446,7 @@ ccw_device_remove (struct device *dev)
                        wait_event(cdev->private->wait_q,
                                   dev_fsm_final_state(cdev));
                else
-                       //FIXME: we can't fail!
-                       CIO_MSG_EVENT(2, "ccw_device_offline returned %d, "
+                       CIO_MSG_EVENT(0, "ccw_device_offline returned %d, "
                                      "device 0.%x.%04x\n",
                                      ret, cdev->private->dev_id.ssid,
                                      cdev->private->dev_id.devno);
@@ -1524,7 +1523,7 @@ static int recovery_check(struct device *dev, void *data)
        spin_lock_irq(cdev->ccwlock);
        switch (cdev->private->state) {
        case DEV_STATE_DISCONNECTED:
-               CIO_MSG_EVENT(3, "recovery: trigger 0.%x.%04x\n",
+               CIO_MSG_EVENT(4, "recovery: trigger 0.%x.%04x\n",
                              cdev->private->dev_id.ssid,
                              cdev->private->dev_id.devno);
                dev_fsm_event(cdev, DEV_EVENT_VERIFY);
@@ -1554,7 +1553,7 @@ static void recovery_work_func(struct work_struct *unused)
                }
                spin_unlock_irq(&recovery_lock);
        } else
-               CIO_MSG_EVENT(2, "recovery: end\n");
+               CIO_MSG_EVENT(4, "recovery: end\n");
 }
 
 static DECLARE_WORK(recovery_work, recovery_work_func);
@@ -1572,7 +1571,7 @@ void ccw_device_schedule_recovery(void)
 {
        unsigned long flags;
 
-       CIO_MSG_EVENT(2, "recovery: schedule\n");
+       CIO_MSG_EVENT(4, "recovery: schedule\n");
        spin_lock_irqsave(&recovery_lock, flags);
        if (!timer_pending(&recovery_timer) || (recovery_phase != 0)) {
                recovery_phase = 0;
index 99403b0..e268d5a 100644 (file)
@@ -322,10 +322,10 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
        same_dev = 0; /* Keep the compiler quiet... */
        switch (state) {
        case DEV_STATE_NOT_OPER:
-               CIO_DEBUG(KERN_WARNING, 2,
-                         "SenseID : unknown device %04x on subchannel "
-                         "0.%x.%04x\n", cdev->private->dev_id.devno,
-                         sch->schid.ssid, sch->schid.sch_no);
+               CIO_MSG_EVENT(2, "SenseID : unknown device %04x on "
+                             "subchannel 0.%x.%04x\n",
+                             cdev->private->dev_id.devno,
+                             sch->schid.ssid, sch->schid.sch_no);
                break;
        case DEV_STATE_OFFLINE:
                if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID) {
@@ -348,20 +348,19 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
                        return;
                }
                /* Issue device info message. */
-               CIO_DEBUG(KERN_INFO, 2,
-                         "SenseID : device 0.%x.%04x reports: "
-                         "CU  Type/Mod = %04X/%02X, Dev Type/Mod = "
-                         "%04X/%02X\n",
-                         cdev->private->dev_id.ssid,
-                         cdev->private->dev_id.devno,
-                         cdev->id.cu_type, cdev->id.cu_model,
-                         cdev->id.dev_type, cdev->id.dev_model);
+               CIO_MSG_EVENT(4, "SenseID : device 0.%x.%04x reports: "
+                             "CU  Type/Mod = %04X/%02X, Dev Type/Mod = "
+                             "%04X/%02X\n",
+                             cdev->private->dev_id.ssid,
+                             cdev->private->dev_id.devno,
+                             cdev->id.cu_type, cdev->id.cu_model,
+                             cdev->id.dev_type, cdev->id.dev_model);
                break;
        case DEV_STATE_BOXED:
-               CIO_DEBUG(KERN_WARNING, 2,
-                         "SenseID : boxed device %04x on subchannel "
-                         "0.%x.%04x\n", cdev->private->dev_id.devno,
-                         sch->schid.ssid, sch->schid.sch_no);
+               CIO_MSG_EVENT(0, "SenseID : boxed device %04x on "
+                             " subchannel 0.%x.%04x\n",
+                             cdev->private->dev_id.devno,
+                             sch->schid.ssid, sch->schid.sch_no);
                break;
        }
        cdev->private->state = state;
@@ -443,9 +442,8 @@ ccw_device_done(struct ccw_device *cdev, int state)
 
 
        if (state == DEV_STATE_BOXED)
-               CIO_DEBUG(KERN_WARNING, 2,
-                         "Boxed device %04x on subchannel %04x\n",
-                         cdev->private->dev_id.devno, sch->schid.sch_no);
+               CIO_MSG_EVENT(0, "Boxed device %04x on subchannel %04x\n",
+                             cdev->private->dev_id.devno, sch->schid.sch_no);
 
        if (cdev->private->flags.donotify) {
                cdev->private->flags.donotify = 0;
@@ -900,7 +898,7 @@ ccw_device_w4sense(struct ccw_device *cdev, enum dev_event dev_event)
                        /* Basic sense hasn't started. Try again. */
                        ccw_device_do_sense(cdev, irb);
                else {
-                       CIO_MSG_EVENT(2, "Huh? 0.%x.%04x: unsolicited "
+                       CIO_MSG_EVENT(0, "0.%x.%04x: unsolicited "
                                      "interrupt during w4sense...\n",
                                      cdev->private->dev_id.ssid,
                                      cdev->private->dev_id.devno);
@@ -1169,8 +1167,10 @@ ccw_device_nop(struct ccw_device *cdev, enum dev_event dev_event)
 static void
 ccw_device_bug(struct ccw_device *cdev, enum dev_event dev_event)
 {
-       CIO_MSG_EVENT(0, "dev_jumptable[%i][%i] == NULL\n",
-                     cdev->private->state, dev_event);
+       CIO_MSG_EVENT(0, "Internal state [%i][%i] not handled for device "
+                     "0.%x.%04x\n", cdev->private->state, dev_event,
+                     cdev->private->dev_id.ssid,
+                     cdev->private->dev_id.devno);
        BUG();
 }
 
index dc4d87f..cba7020 100644 (file)
@@ -214,7 +214,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
                 *     sense id information. So, for intervention required,
                 *     we use the "whack it until it talks" strategy...
                 */
-               CIO_MSG_EVENT(2, "SenseID : device %04x on Subchannel "
+               CIO_MSG_EVENT(0, "SenseID : device %04x on Subchannel "
                              "0.%x.%04x reports cmd reject\n",
                              cdev->private->dev_id.devno, sch->schid.ssid,
                              sch->schid.sch_no);
@@ -239,7 +239,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev)
 
                lpm = to_io_private(sch)->orb.lpm;
                if ((lpm & sch->schib.pmcw.pim & sch->schib.pmcw.pam) != 0)
-                       CIO_MSG_EVENT(2, "SenseID : path %02X for device %04x "
+                       CIO_MSG_EVENT(4, "SenseID : path %02X for device %04x "
                                      "on subchannel 0.%x.%04x is "
                                      "'not operational'\n", lpm,
                                      cdev->private->dev_id.devno,
index c52449a..ba55905 100644 (file)
@@ -79,7 +79,7 @@ __ccw_device_sense_pgid_start(struct ccw_device *cdev)
                        /* ret is 0, -EBUSY, -EACCES or -ENODEV */
                        if (ret != -EACCES)
                                return ret;
-                       CIO_MSG_EVENT(2, "SNID - Device %04x on Subchannel "
+                       CIO_MSG_EVENT(3, "SNID - Device %04x on Subchannel "
                                      "0.%x.%04x, lpm %02X, became 'not "
                                      "operational'\n",
                                      cdev->private->dev_id.devno,
@@ -159,7 +159,7 @@ __ccw_device_check_sense_pgid(struct ccw_device *cdev)
                u8 lpm;
 
                lpm = to_io_private(sch)->orb.lpm;
-               CIO_MSG_EVENT(2, "SNID - Device %04x on Subchannel 0.%x.%04x,"
+               CIO_MSG_EVENT(3, "SNID - Device %04x on Subchannel 0.%x.%04x,"
                              " lpm %02X, became 'not operational'\n",
                              cdev->private->dev_id.devno, sch->schid.ssid,
                              sch->schid.sch_no, lpm);
@@ -275,7 +275,7 @@ __ccw_device_do_pgid(struct ccw_device *cdev, __u8 func)
                        return ret;
        }
        /* PGID command failed on this path. */
-       CIO_MSG_EVENT(2, "SPID - Device %04x on Subchannel "
+       CIO_MSG_EVENT(3, "SPID - Device %04x on Subchannel "
                      "0.%x.%04x, lpm %02X, became 'not operational'\n",
                      cdev->private->dev_id.devno, sch->schid.ssid,
                      sch->schid.sch_no, cdev->private->imask);
@@ -317,7 +317,7 @@ static int __ccw_device_do_nop(struct ccw_device *cdev)
                        return ret;
        }
        /* nop command failed on this path. */
-       CIO_MSG_EVENT(2, "NOP - Device %04x on Subchannel "
+       CIO_MSG_EVENT(3, "NOP - Device %04x on Subchannel "
                      "0.%x.%04x, lpm %02X, became 'not operational'\n",
                      cdev->private->dev_id.devno, sch->schid.ssid,
                      sch->schid.sch_no, cdev->private->imask);
@@ -362,7 +362,7 @@ __ccw_device_check_pgid(struct ccw_device *cdev)
                return -EAGAIN;
        }
        if (irb->scsw.cc == 3) {
-               CIO_MSG_EVENT(2, "SPID - Device %04x on Subchannel 0.%x.%04x,"
+               CIO_MSG_EVENT(3, "SPID - Device %04x on Subchannel 0.%x.%04x,"
                              " lpm %02X, became 'not operational'\n",
                              cdev->private->dev_id.devno, sch->schid.ssid,
                              sch->schid.sch_no, cdev->private->imask);
@@ -391,7 +391,7 @@ static int __ccw_device_check_nop(struct ccw_device *cdev)
                return -ETIME;
        }
        if (irb->scsw.cc == 3) {
-               CIO_MSG_EVENT(2, "NOP - Device %04x on Subchannel 0.%x.%04x,"
+               CIO_MSG_EVENT(3, "NOP - Device %04x on Subchannel 0.%x.%04x,"
                              " lpm %02X, became 'not operational'\n",
                              cdev->private->dev_id.devno, sch->schid.ssid,
                              sch->schid.sch_no, cdev->private->imask);
index 4d4b542..5080f34 100644 (file)
@@ -48,10 +48,11 @@ s390_collect_crw_info(void *param)
        int ccode;
        struct semaphore *sem;
        unsigned int chain;
+       int ignore;
 
        sem = (struct semaphore *)param;
 repeat:
-       down_interruptible(sem);
+       ignore = down_interruptible(sem);
        chain = 0;
        while (1) {
                if (unlikely(chain > 1)) {
index 4fab0c2..b87037e 100644 (file)
@@ -41,7 +41,7 @@
 #define BPP_DELAY 100
 
 static const unsigned  BPP_MAJOR = LP_MAJOR;
-static const chardev_name = "bpp";
+static const char *bpp_dev_name = "bpp";
 
 /* When switching from compatibility to a mode where I can read, try
    the following mode first. */
index 0fb5bf4..8508816 100644 (file)
@@ -1967,45 +1967,6 @@ cleanup:
        return rcode;
 }
 
-
-/*
- * This routine returns information about the system.  This does not effect
- * any logic and if the info is wrong - it doesn't matter.
- */
-
-/* Get all the info we can not get from kernel services */
-static int adpt_system_info(void __user *buffer)
-{
-       sysInfo_S si;
-
-       memset(&si, 0, sizeof(si));
-
-       si.osType = OS_LINUX;
-       si.osMajorVersion = 0;
-       si.osMinorVersion = 0;
-       si.osRevision = 0;
-       si.busType = SI_PCI_BUS;
-       si.processorFamily = DPTI_sig.dsProcessorFamily;
-
-#if defined __i386__ 
-       adpt_i386_info(&si);
-#elif defined (__ia64__)
-       adpt_ia64_info(&si);
-#elif defined(__sparc__)
-       adpt_sparc_info(&si);
-#elif defined (__alpha__)
-       adpt_alpha_info(&si);
-#else
-       si.processorType = 0xff ;
-#endif
-       if(copy_to_user(buffer, &si, sizeof(si))){
-               printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
-               return -EFAULT;
-       }
-
-       return 0;
-}
-
 #if defined __ia64__ 
 static void adpt_ia64_info(sysInfo_S* si)
 {
@@ -2016,7 +1977,6 @@ static void adpt_ia64_info(sysInfo_S* si)
 }
 #endif
 
-
 #if defined __sparc__ 
 static void adpt_sparc_info(sysInfo_S* si)
 {
@@ -2026,7 +1986,6 @@ static void adpt_sparc_info(sysInfo_S* si)
        si->processorType = PROC_ULTRASPARC;
 }
 #endif
-
 #if defined __alpha__ 
 static void adpt_alpha_info(sysInfo_S* si)
 {
@@ -2038,7 +1997,6 @@ static void adpt_alpha_info(sysInfo_S* si)
 #endif
 
 #if defined __i386__
-
 static void adpt_i386_info(sysInfo_S* si)
 {
        // This is all the info we need for now
@@ -2059,9 +2017,45 @@ static void adpt_i386_info(sysInfo_S* si)
                break;
        }
 }
+#endif
+
+/*
+ * This routine returns information about the system.  This does not effect
+ * any logic and if the info is wrong - it doesn't matter.
+ */
 
+/* Get all the info we can not get from kernel services */
+static int adpt_system_info(void __user *buffer)
+{
+       sysInfo_S si;
+
+       memset(&si, 0, sizeof(si));
+
+       si.osType = OS_LINUX;
+       si.osMajorVersion = 0;
+       si.osMinorVersion = 0;
+       si.osRevision = 0;
+       si.busType = SI_PCI_BUS;
+       si.processorFamily = DPTI_sig.dsProcessorFamily;
+
+#if defined __i386__
+       adpt_i386_info(&si);
+#elif defined (__ia64__)
+       adpt_ia64_info(&si);
+#elif defined(__sparc__)
+       adpt_sparc_info(&si);
+#elif defined (__alpha__)
+       adpt_alpha_info(&si);
+#else
+       si.processorType = 0xff ;
 #endif
+       if (copy_to_user(buffer, &si, sizeof(si))){
+               printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
+               return -EFAULT;
+       }
 
+       return 0;
+}
 
 static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
              ulong arg)
index 924cd5a..337746d 100644 (file)
@@ -316,19 +316,6 @@ static int adpt_close(struct inode *inode, struct file *file);
 static void adpt_delay(int millisec);
 #endif
 
-#if defined __ia64__ 
-static void adpt_ia64_info(sysInfo_S* si);
-#endif
-#if defined __sparc__ 
-static void adpt_sparc_info(sysInfo_S* si);
-#endif
-#if defined __alpha__ 
-static void adpt_sparc_info(sysInfo_S* si);
-#endif
-#if defined __i386__
-static void adpt_i386_info(sysInfo_S* si);
-#endif
-
 #define PRINT_BUFFER_SIZE     512
 
 #define HBA_FLAGS_DBG_FLAGS_MASK         0xffff0000    // Mask for debug flags
index 1e2b9d8..eab0327 100644 (file)
@@ -556,7 +556,7 @@ static int uart_chars_in_buffer(struct tty_struct *tty)
 static void uart_flush_buffer(struct tty_struct *tty)
 {
        struct uart_state *state = tty->driver_data;
-       struct uart_port *port = state->port;
+       struct uart_port *port;
        unsigned long flags;
 
        /*
@@ -568,6 +568,7 @@ static void uart_flush_buffer(struct tty_struct *tty)
                return;
        }
 
+       port = state->port;
        pr_debug("uart_flush_buffer(%d) called\n", tty->index);
 
        spin_lock_irqsave(&port->lock, flags);
index 33b467a..1ef6df3 100644 (file)
@@ -129,7 +129,7 @@ config USB_ISP1760_PCI
 
 config USB_ISP1760_OF
        bool "Support for the OF platform bus"
-       depends on USB_ISP1760_HCD && OF
+       depends on USB_ISP1760_HCD && PPC_OF
        ---help---
          Enables support for the device present on the PowerPC
          OpenFirmware platform bus.
index 8a21764..a01e987 100644 (file)
@@ -643,7 +643,7 @@ static void read_buf_callback(struct urb *urb)
 static int iuu_bulk_write(struct usb_serial_port *port)
 {
        struct iuu_private *priv = usb_get_serial_port_data(port);
-       unsigned int flags;
+       unsigned long flags;
        int result;
        int i;
        char *buf_ptr = port->write_urb->transfer_buffer;
@@ -694,7 +694,7 @@ static void iuu_uart_read_callback(struct urb *urb)
 {
        struct usb_serial_port *port = urb->context;
        struct iuu_private *priv = usb_get_serial_port_data(port);
-       unsigned int flags;
+       unsigned long flags;
        int status;
        int error = 0;
        int len = 0;
@@ -759,7 +759,7 @@ static int iuu_uart_write(struct usb_serial_port *port, const u8 *buf,
                          int count)
 {
        struct iuu_private *priv = usb_get_serial_port_data(port);
-       unsigned int flags;
+       unsigned long flags;
        dbg("%s - enter", __func__);
 
        if (count > 256)
index 275d9da..79f85dc 100644 (file)
@@ -329,7 +329,7 @@ static int __devinit bw2_probe(struct of_device *op, const struct of_device_id *
        if (!info->screen_base)
                goto out_unmap_regs;
 
-       bw2_blank(0, info);
+       bw2_blank(FB_BLANK_UNBLANK, info);
 
        bw2_init_fix(info, linebytes);
 
index 010ea53..e31e26a 100644 (file)
@@ -398,7 +398,7 @@ static int __devinit cg3_probe(struct of_device *op,
        if (!info->screen_base)
                goto out_unmap_regs;
 
-       cg3_blank(0, info);
+       cg3_blank(FB_BLANK_UNBLANK, info);
 
        if (!of_find_property(dp, "width", NULL)) {
                err = cg3_do_default_mode(par);
index fc90db6..8000bcc 100644 (file)
@@ -767,7 +767,7 @@ static int __devinit cg6_probe(struct of_device *op,
 
        cg6_bt_init(par);
        cg6_chip_init(info);
-       cg6_blank(0, info);
+       cg6_blank(FB_BLANK_UNBLANK, info);
 
        if (fb_alloc_cmap(&info->cmap, 256, 0))
                goto out_unmap_regs;
index 93dca3e..0f42a69 100644 (file)
@@ -987,7 +987,7 @@ static int __devinit ffb_probe(struct of_device *op,
         * chosen console, it will have video outputs off in
         * the DAC.
         */
-       ffb_blank(0, info);
+       ffb_blank(FB_BLANK_UNBLANK, info);
 
        if (fb_alloc_cmap(&info->cmap, 256, 0))
                goto out_unmap_dac;
index f3160fc..fb12992 100644 (file)
@@ -601,7 +601,7 @@ static int __devinit leo_probe(struct of_device *op, const struct of_device_id *
        leo_init_wids(info);
        leo_init_hw(info);
 
-       leo_blank(0, info);
+       leo_blank(FB_BLANK_UNBLANK, info);
 
        if (fb_alloc_cmap(&info->cmap, 256, 0))
                goto out_unmap_regs;
index c95874f..676ffb0 100644 (file)
@@ -295,7 +295,7 @@ static int __devinit p9100_probe(struct of_device *op, const struct of_device_id
        if (!info->screen_base)
                goto out_unmap_regs;
 
-       p9100_blank(0, info);
+       p9100_blank(FB_BLANK_UNBLANK, info);
 
        if (fb_alloc_cmap(&info->cmap, 256, 0))
                goto out_unmap_screen;
index a717743..44e8c27 100644 (file)
@@ -84,7 +84,7 @@ struct tcx_tec {
 
 struct tcx_thc {
        u32 thc_rev;
-        u32 thc_pad0[511];
+       u32 thc_pad0[511];
        u32 thc_hs;             /* hsync timing */
        u32 thc_hsdvs;
        u32 thc_hd;
@@ -126,10 +126,10 @@ struct tcx_par {
 };
 
 /* Reset control plane so that WID is 8-bit plane. */
-static void __tcx_set_control_plane (struct tcx_par *par)
+static void __tcx_set_control_plane(struct tcx_par *par)
 {
        u32 __iomem *p, *pend;
-        
+
        if (par->lowdepth)
                return;
 
@@ -143,8 +143,8 @@ static void __tcx_set_control_plane (struct tcx_par *par)
                sbus_writel(tmp, p);
        }
 }
-                                                
-static void tcx_reset (struct fb_info *info)
+
+static void tcx_reset(struct fb_info *info)
 {
        struct tcx_par *par = (struct tcx_par *) info->par;
        unsigned long flags;
@@ -365,7 +365,8 @@ static void tcx_unmap_regs(struct of_device *op, struct fb_info *info,
                           info->screen_base, par->fbsize);
 }
 
-static int __devinit tcx_init_one(struct of_device *op)
+static int __devinit tcx_probe(struct of_device *op,
+                              const struct of_device_id *match)
 {
        struct device_node *dp = op->node;
        struct fb_info *info;
@@ -488,13 +489,6 @@ out_err:
        return err;
 }
 
-static int __devinit tcx_probe(struct of_device *dev, const struct of_device_id *match)
-{
-       struct of_device *op = to_of_device(&dev->dev);
-
-       return tcx_init_one(op);
-}
-
 static int __devexit tcx_remove(struct of_device *op)
 {
        struct fb_info *info = dev_get_drvdata(&op->dev);
index 3499f9f..ec228bc 100644 (file)
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -17,6 +17,7 @@
 #include <linux/highmem.h>
 #include <linux/pagemap.h>
 #include <linux/audit.h>
+#include <linux/syscalls.h>
 
 #include <asm/uaccess.h>
 #include <asm/ioctls.h>
@@ -1086,8 +1087,11 @@ asmlinkage long __weak sys_pipe(int __user *fildes)
 
        error = do_pipe(fd);
        if (!error) {
-               if (copy_to_user(fildes, fd, sizeof(fd)))
+               if (copy_to_user(fildes, fd, sizeof(fd))) {
+                       sys_close(fd[0]);
+                       sys_close(fd[1]);
                        error = -EFAULT;
+               }
        }
        return error;
 }
index 2b34c8c..d323194 100644 (file)
@@ -32,6 +32,7 @@
 #include <linux/buffer_head.h>
 #include <linux/sched.h>
 #include <linux/crc-itu-t.h>
+#include <linux/exportfs.h>
 
 static inline int udf_match(int len1, const char *name1, int len2,
                            const char *name2)
@@ -158,6 +159,8 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
        sector_t offset;
        struct extent_position epos = {};
        struct udf_inode_info *dinfo = UDF_I(dir);
+       int isdotdot = dentry->d_name.len == 2 &&
+               dentry->d_name.name[0] == '.' && dentry->d_name.name[1] == '.';
 
        size = udf_ext0_offset(dir) + dir->i_size;
        f_pos = udf_ext0_offset(dir);
@@ -225,6 +228,12 @@ static struct fileIdentDesc *udf_find_entry(struct inode *dir,
                                continue;
                }
 
+               if ((cfi->fileCharacteristics & FID_FILE_CHAR_PARENT) &&
+                   isdotdot) {
+                       brelse(epos.bh);
+                       return fi;
+               }
+
                if (!lfi)
                        continue;
 
@@ -286,9 +295,8 @@ static struct dentry *udf_lookup(struct inode *dir, struct dentry *dentry,
                }
        }
        unlock_kernel();
-       d_add(dentry, inode);
 
-       return NULL;
+       return d_splice_alias(inode, dentry);
 }
 
 static struct fileIdentDesc *udf_add_entry(struct inode *dir,
@@ -307,7 +315,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
        uint16_t liu;
        int block;
        kernel_lb_addr eloc;
-       uint32_t elen;
+       uint32_t elen = 0;
        sector_t offset;
        struct extent_position epos = {};
        struct udf_inode_info *dinfo;
@@ -398,7 +406,8 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
        }
 
 add:
-       if (dinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
+       /* Is there any extent whose size we need to round up? */
+       if (dinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB && elen) {
                elen = (elen + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1);
                if (dinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
                        epos.offset -= sizeof(short_ad);
@@ -1232,6 +1241,134 @@ end_rename:
        return retval;
 }
 
+static struct dentry *udf_get_parent(struct dentry *child)
+{
+       struct dentry *parent;
+       struct inode *inode = NULL;
+       struct dentry dotdot;
+       struct fileIdentDesc cfi;
+       struct udf_fileident_bh fibh;
+
+       dotdot.d_name.name = "..";
+       dotdot.d_name.len = 2;
+
+       lock_kernel();
+       if (!udf_find_entry(child->d_inode, &dotdot, &fibh, &cfi))
+               goto out_unlock;
+
+       if (fibh.sbh != fibh.ebh)
+               brelse(fibh.ebh);
+       brelse(fibh.sbh);
+
+       inode = udf_iget(child->d_inode->i_sb,
+                        lelb_to_cpu(cfi.icb.extLocation));
+       if (!inode)
+               goto out_unlock;
+       unlock_kernel();
+
+       parent = d_alloc_anon(inode);
+       if (!parent) {
+               iput(inode);
+               parent = ERR_PTR(-ENOMEM);
+       }
+
+       return parent;
+out_unlock:
+       unlock_kernel();
+       return ERR_PTR(-EACCES);
+}
+
+
+static struct dentry *udf_nfs_get_inode(struct super_block *sb, u32 block,
+                                       u16 partref, __u32 generation)
+{
+       struct inode *inode;
+       struct dentry *result;
+       kernel_lb_addr loc;
+
+       if (block == 0)
+               return ERR_PTR(-ESTALE);
+
+       loc.logicalBlockNum = block;
+       loc.partitionReferenceNum = partref;
+       inode = udf_iget(sb, loc);
+
+       if (inode == NULL)
+               return ERR_PTR(-ENOMEM);
+
+       if (generation && inode->i_generation != generation) {
+               iput(inode);
+               return ERR_PTR(-ESTALE);
+       }
+       result = d_alloc_anon(inode);
+       if (!result) {
+               iput(inode);
+               return ERR_PTR(-ENOMEM);
+       }
+       return result;
+}
+
+static struct dentry *udf_fh_to_dentry(struct super_block *sb,
+                                      struct fid *fid, int fh_len, int fh_type)
+{
+       if ((fh_len != 3 && fh_len != 5) ||
+           (fh_type != FILEID_UDF_WITH_PARENT &&
+            fh_type != FILEID_UDF_WITHOUT_PARENT))
+               return NULL;
+
+       return udf_nfs_get_inode(sb, fid->udf.block, fid->udf.partref,
+                       fid->udf.generation);
+}
+
+static struct dentry *udf_fh_to_parent(struct super_block *sb,
+                                      struct fid *fid, int fh_len, int fh_type)
+{
+       if (fh_len != 5 || fh_type != FILEID_UDF_WITH_PARENT)
+               return NULL;
+
+       return udf_nfs_get_inode(sb, fid->udf.parent_block,
+                                fid->udf.parent_partref,
+                                fid->udf.parent_generation);
+}
+static int udf_encode_fh(struct dentry *de, __u32 *fh, int *lenp,
+                        int connectable)
+{
+       int len = *lenp;
+       struct inode *inode =  de->d_inode;
+       kernel_lb_addr location = UDF_I(inode)->i_location;
+       struct fid *fid = (struct fid *)fh;
+       int type = FILEID_UDF_WITHOUT_PARENT;
+
+       if (len < 3 || (connectable && len < 5))
+               return 255;
+
+       *lenp = 3;
+       fid->udf.block = location.logicalBlockNum;
+       fid->udf.partref = location.partitionReferenceNum;
+       fid->udf.generation = inode->i_generation;
+
+       if (connectable && !S_ISDIR(inode->i_mode)) {
+               spin_lock(&de->d_lock);
+               inode = de->d_parent->d_inode;
+               location = UDF_I(inode)->i_location;
+               fid->udf.parent_block = location.logicalBlockNum;
+               fid->udf.parent_partref = location.partitionReferenceNum;
+               fid->udf.parent_generation = inode->i_generation;
+               spin_unlock(&de->d_lock);
+               *lenp = 5;
+               type = FILEID_UDF_WITH_PARENT;
+       }
+
+       return type;
+}
+
+const struct export_operations udf_export_ops = {
+       .encode_fh      = udf_encode_fh,
+       .fh_to_dentry   = udf_fh_to_dentry,
+       .fh_to_parent   = udf_fh_to_parent,
+       .get_parent     = udf_get_parent,
+};
+
 const struct inode_operations udf_dir_inode_operations = {
        .lookup                         = udf_lookup,
        .create                         = udf_create,
index 63610f0..96dfd20 100644 (file)
@@ -27,8 +27,8 @@
 #include <linux/slab.h>
 #include <linux/buffer_head.h>
 
-inline uint32_t udf_get_pblock(struct super_block *sb, uint32_t block,
-                              uint16_t partition, uint32_t offset)
+uint32_t udf_get_pblock(struct super_block *sb, uint32_t block,
+                       uint16_t partition, uint32_t offset)
 {
        struct udf_sb_info *sbi = UDF_SB(sb);
        struct udf_part_map *map;
index 9fb18a3..7a5f69b 100644 (file)
@@ -1933,6 +1933,7 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
 
        /* Fill in the rest of the superblock */
        sb->s_op = &udf_sb_ops;
+       sb->s_export_op = &udf_export_ops;
        sb->dq_op = NULL;
        sb->s_dirt = 0;
        sb->s_magic = UDF_SUPER_MAGIC;
index f3f45d0..8fa9c2d 100644 (file)
@@ -73,6 +73,7 @@ struct task_struct;
 struct buffer_head;
 struct super_block;
 
+extern const struct export_operations udf_export_ops;
 extern const struct inode_operations udf_dir_inode_operations;
 extern const struct file_operations udf_dir_operations;
 extern const struct inode_operations udf_file_inode_operations;
index f8204a4..18cbd8a 100644 (file)
@@ -104,6 +104,7 @@ struct sie_block {
 
 struct kvm_vcpu_stat {
        u32 exit_userspace;
+       u32 exit_null;
        u32 exit_external_request;
        u32 exit_external_interrupt;
        u32 exit_stop_request;
index f0f4579..12fd9c4 100644 (file)
@@ -125,6 +125,17 @@ page_get_storage_key(unsigned long addr)
        return skey;
 }
 
+#ifdef CONFIG_PAGE_STATES
+
+struct page;
+void arch_free_page(struct page *page, int order);
+void arch_alloc_page(struct page *page, int order);
+
+#define HAVE_ARCH_FREE_PAGE
+#define HAVE_ARCH_ALLOC_PAGE
+
+#endif
+
 #endif /* !__ASSEMBLY__ */
 
 /* to align the pointer to the (next) page boundary */
index 441d7c2..d7d4e2e 100644 (file)
@@ -471,6 +471,8 @@ struct task_struct;
 extern void user_enable_single_step(struct task_struct *);
 extern void user_disable_single_step(struct task_struct *);
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
 #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
 #define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN)
 #define regs_return_value(regs)((regs)->gprs[2])
index c819ae2..e0d4500 100644 (file)
@@ -116,6 +116,12 @@ extern void pfault_fini(void);
 #define pfault_fini()          do { } while (0)
 #endif /* CONFIG_PFAULT */
 
+#ifdef CONFIG_PAGE_STATES
+extern void cmma_init(void);
+#else
+static inline void cmma_init(void) { }
+#endif
+
 #define finish_arch_switch(prev) do {                                       \
        set_fs(current->thread.mm_segment);                                  \
        account_vtime(prev);                                                 \
index de8387b..f5abd13 100644 (file)
@@ -33,6 +33,19 @@ enum fid_type {
         * 32 bit parent directory inode number.
         */
        FILEID_INO32_GEN_PARENT = 2,
+
+       /*
+        * 32 bit block number, 16 bit partition reference,
+        * 16 bit unused, 32 bit generation number.
+        */
+       FILEID_UDF_WITHOUT_PARENT = 0x51,
+
+       /*
+        * 32 bit block number, 16 bit partition reference,
+        * 16 bit unused, 32 bit generation number,
+        * 32 bit parent block number, 32 bit parent generation number
+        */
+       FILEID_UDF_WITH_PARENT = 0x52,
 };
 
 struct fid {
@@ -43,6 +56,14 @@ struct fid {
                        u32 parent_ino;
                        u32 parent_gen;
                } i32;
+               struct {
+                       u32 block;
+                       u16 partref;
+                       u16 parent_partref;
+                       u32 generation;
+                       u32 parent_block;
+                       u32 parent_generation;
+               } udf;
                __u32 raw[0];
        };
 };
index 8da627d..86ea9e3 100644 (file)
@@ -1031,11 +1031,9 @@ int current_cpuset_is_being_rebound(void)
        return task_cs(current) == cpuset_being_rebound;
 }
 
-static int update_relax_domain_level(struct cpuset *cs, char *buf)
+static int update_relax_domain_level(struct cpuset *cs, s64 val)
 {
-       int val = simple_strtol(buf, NULL, 10);
-
-       if (val < 0)
+       if ((int)val < 0)
                val = -1;
 
        if (val != cs->relax_domain_level) {
@@ -1280,9 +1278,6 @@ static ssize_t cpuset_common_file_write(struct cgroup *cont,
        case FILE_MEMLIST:
                retval = update_nodemask(cs, buffer);
                break;
-       case FILE_SCHED_RELAX_DOMAIN_LEVEL:
-               retval = update_relax_domain_level(cs, buffer);
-               break;
        default:
                retval = -EINVAL;
                goto out2;
@@ -1348,6 +1343,30 @@ static int cpuset_write_u64(struct cgroup *cgrp, struct cftype *cft, u64 val)
        return retval;
 }
 
+static int cpuset_write_s64(struct cgroup *cgrp, struct cftype *cft, s64 val)
+{
+       int retval = 0;
+       struct cpuset *cs = cgroup_cs(cgrp);
+       cpuset_filetype_t type = cft->private;
+
+       cgroup_lock();
+
+       if (cgroup_is_removed(cgrp)) {
+               cgroup_unlock();
+               return -ENODEV;
+       }
+       switch (type) {
+       case FILE_SCHED_RELAX_DOMAIN_LEVEL:
+               retval = update_relax_domain_level(cs, val);
+               break;
+       default:
+               retval = -EINVAL;
+               break;
+       }
+       cgroup_unlock();
+       return retval;
+}
+
 /*
  * These ascii lists should be read in a single call, by using a user
  * buffer large enough to hold the entire map.  If read in smaller
@@ -1406,9 +1425,6 @@ static ssize_t cpuset_common_file_read(struct cgroup *cont,
        case FILE_MEMLIST:
                s += cpuset_sprintf_memlist(s, cs);
                break;
-       case FILE_SCHED_RELAX_DOMAIN_LEVEL:
-               s += sprintf(s, "%d", cs->relax_domain_level);
-               break;
        default:
                retval = -EINVAL;
                goto out;
@@ -1449,6 +1465,18 @@ static u64 cpuset_read_u64(struct cgroup *cont, struct cftype *cft)
        }
 }
 
+static s64 cpuset_read_s64(struct cgroup *cont, struct cftype *cft)
+{
+       struct cpuset *cs = cgroup_cs(cont);
+       cpuset_filetype_t type = cft->private;
+       switch (type) {
+       case FILE_SCHED_RELAX_DOMAIN_LEVEL:
+               return cs->relax_domain_level;
+       default:
+               BUG();
+       }
+}
+
 
 /*
  * for the common functions, 'private' gives the type of file
@@ -1499,8 +1527,8 @@ static struct cftype files[] = {
 
        {
                .name = "sched_relax_domain_level",
-               .read_u64 = cpuset_read_u64,
-               .write_u64 = cpuset_write_u64,
+               .read_s64 = cpuset_read_s64,
+               .write_s64 = cpuset_write_s64,
                .private = FILE_SCHED_RELAX_DOMAIN_LEVEL,
        },
 
index d379b78..a505a82 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3762,7 +3762,7 @@ static int any_slab_objects(struct kmem_cache *s)
                if (!n)
                        continue;
 
-               if (atomic_read(&n->total_objects))
+               if (atomic_long_read(&n->total_objects))
                        return 1;
        }
        return 0;
index ae75d41..ff5c380 100644 (file)
@@ -85,7 +85,7 @@ static int rate_control_pid_events_open(struct inode *inode, struct file *file)
        struct rc_pid_sta_info *sinfo = inode->i_private;
        struct rc_pid_event_buffer *events = &sinfo->events;
        struct rc_pid_events_file_info *file_info;
-       unsigned int status;
+       unsigned long status;
 
        /* Allocate a state struct */
        file_info = kmalloc(sizeof(*file_info), GFP_KERNEL);
@@ -135,7 +135,7 @@ static ssize_t rate_control_pid_events_read(struct file *file, char __user *buf,
        char pb[RC_PID_PRINT_BUF_SIZE];
        int ret;
        int p;
-       unsigned int status;
+       unsigned long status;
 
        /* Check if there is something to read. */
        if (events->next_entry == file_info->next_entry) {
index dfe670f..eb9bc36 100644 (file)
@@ -67,7 +67,7 @@ static int __devinit probe_one(struct pci_dev *pdev, const struct pci_device_id
                return 1;
        
        mem = ioremap(base, 128);
-       if(mem == 0UL)
+       if (!mem)
                return 1;
        map = readw(mem + 0x18);        /* Read the SMI enables */
        iounmap(mem);