Stefan Bader [Fri, 28 Apr 2006 01:40:16 +0000 (18:40 -0700)]
[PATCH] s390: tape 3590 changes
Added some changes that where proposed by Andrew Morton. Added 3592 device
type.
Signed-off-by: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Martin Schwidefsky [Fri, 28 Apr 2006 01:40:12 +0000 (18:40 -0700)]
[PATCH] s390: futex atomic operations
Add support for atomic futex operations.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Christian Borntraeger [Fri, 28 Apr 2006 01:40:11 +0000 (18:40 -0700)]
[PATCH] s390: fix slab debugging
With CONFIG_SLAB_DEBUG=y networking over qeth doesn't work. The problem is
that the qib structure embedded in the qeth_irq structure needs an alignment
of 256 but kmalloc only guarantees an alignment of 8. When using SLAB
debugging the alignment of qeth_irq is not sufficient for the embedded qib
structure which causes all users of qdio (qeth and zfcp) to stop working.
Allocate qeth_irq structure with __get_free_page. That wastes a small amount
of memory (~2500 bytes) per online adapter.
Signed-off-by: Christian Borntraeger <cborntra@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Horst Hummel [Fri, 28 Apr 2006 01:40:10 +0000 (18:40 -0700)]
[PATCH] s390: dasd ioctl never returns
The dasd state machine is not designed to enable an unformatted device, since
'unformatted' is a final state. The BIODASDENABLE ioctl calls
dasd_enable_device() which never returns if the device is in this special
state. Return -EPERM in dasd_increase_state for unformatted devices to make
dasd_enable_device terminate. Note: To get such an unformatted device online
it has to be re-analyzed. This means that the device needs to be disabled
prior to re-enablement.
Signed-off-by: Horst Hummel <horst.hummel@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andreas Herrmann [Fri, 28 Apr 2006 01:40:09 +0000 (18:40 -0700)]
[PATCH] s390: qdio memory allocations
Avoid memory allocation with GFP_KERNEL in qdio_establish/qdio_shutdown. Use
memory pool instead. (Otherwise this can lead to an I/O stall where qdio
waits for a free page and zfcp waits for end of error recovery in low memory
situations.)
Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Laurent Meyer [Fri, 28 Apr 2006 01:40:07 +0000 (18:40 -0700)]
[PATCH] s390: alternate signal stack handling bug
If a signal handler has been established with the SA_ONSTACK option but no
alternate stack is provided with sigaltstack(), the kernel still tries to
install the alternate stack. Also when setting an alternate stack with
sigalstack() and the SS_DISABLE flag, the kernel tries to install the
alternate stack on signal delivery. Use the correct conditions sas_ss_flags()
to check if the alternate stack has to be used.
Signed-off-by: Laurent Meyer <meyerlau@fr.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Stefan Bader [Fri, 28 Apr 2006 01:40:04 +0000 (18:40 -0700)]
[PATCH] s390: enable interrupts on error path
Interrupts can stay disabled if an error occurred in _chp_add(). Use
spin_unlock_irq on the error paths to reenable interrupts.
Signed-off-by: Stefan Bader <shbader@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Peter Oberparleiter [Fri, 28 Apr 2006 01:40:02 +0000 (18:40 -0700)]
[PATCH] s390: fix I/O termination race in cio
Fix a race condition in the I/O termination logic. The race can cause I/O to
a dasd device to fail with no retry left after turning one channel path to the
device off and on multiple times.
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Masami Hiramatsu [Fri, 28 Apr 2006 01:39:55 +0000 (18:39 -0700)]
[PATCH] kprobe: fix resume execution on i386
Fix resume_execution() to handle iret and absolute jump opcode correctly on
i386.
Signed-off-by: Masami Hiramatsu <hiramatu@sdl.hitachi.co.jp>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com>
Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Yumiko Sugita <sugita@sdl.hitachi.co.jp>
Cc: Satoshi Oshima <soshima@redhat.com>
Cc: Hideo Aoki <haoki@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
mao, bibo [Fri, 28 Apr 2006 01:39:44 +0000 (18:39 -0700)]
[PATCH] kprobe cleanup for VM_MASK judgement
When trap happens in user space, kprobe_exceptions_notify() funtion will
skip it. This patch deletes some unnecessary code for VM_MASK judgement in
eflags.
Signed-off-by: bibo, mao <bibo.mao@intel.com>
Cc: Masami Hiramatsu <hiramatu@sdl.hitachi.co.jp>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Acked-by: "Keshavamurthy, Anil S" <anil.s.keshavamurthy@intel.com>
Acked-by: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Cc: Jim Keniston <jkenisto@us.ibm.com>
Cc: Yumiko Sugita <sugita@sdl.hitachi.co.jp>
Cc: Satoshi Oshima <soshima@redhat.com>
Cc: Hideo Aoki <haoki@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andi Kleen [Fri, 28 Apr 2006 01:39:36 +0000 (18:39 -0700)]
[PATCH] Mark VMSPLIT EMBEDDED
Running abnormal VM splits causes weird problems - people can set non-standard
splits by accident, then lots of time gets wasted diagnosing it - see the long
"[stable] 2.6.16.6 breaks java... sort of" email thread.
So we need to make this option harder to set. Use CONFIG_EMBEDDED for this.
CONFIG_EMBEDDED isn't really the right thing to use, but there's nothing else
obvious and avoiding these problems is more important than Kconfig purity.
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Ashok Raj [Fri, 28 Apr 2006 01:39:30 +0000 (18:39 -0700)]
[PATCH] enable X86_PC for HOTPLUG_CPU
CPU_HOTPLUG has race conditions when we use broadcast mode IPI.
- First we introduced no_broadcast option
(see include/asm-i386/mach-default/mach_ipi.h)
- x86_64 solved it by using physical flat mode (same as bigsmp on i386)
since this will not use broadcast shortcuts for IPI.
- We switched to use bigsmp on i386 so that we can have same handling as
x86_64, but apparently this caused an error message, if kernel was
compiled without X86_GENERICARCH, X86_BIGSMP. The message "You have >8
CPUS..." which was bogus and misleading, and only indicated one of the
above ARCH wasnt selected.
So we do not switch to automatic bigsmp for HOTPLUG_CPU support in i386
until the other related config dependencies for SMP_SUSPEND etc can be done
right.
Signed-off-by: Ashok Raj <ashok.raj@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Dave Jones [Fri, 28 Apr 2006 01:39:24 +0000 (18:39 -0700)]
[PATCH] Avoid printing pointless tsc skew msgs
These messages are kinda silly..
CPU#0 had 0 usecs TSC skew, fixed it up.
CPU#1 had 0 usecs TSC skew, fixed it up.
inspired from: http://bugzilla.kernel.org/attachment.cgi?id=7713&action=view
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Adrian Bunk [Fri, 28 Apr 2006 01:39:21 +0000 (18:39 -0700)]
[PATCH] re-add the OSS SOUND_CS4232 option
A regression in the ALSA driver compared to the OSS driver was reported as
ALSA bug #1520, so let's keep the OSS driver for now.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Eric Sesterhenn [Fri, 28 Apr 2006 01:39:20 +0000 (18:39 -0700)]
[PATCH] fix array overrun in drivers/char/mwave/mwavedd.c
this fixes coverity id #489.
Since the last element in the array is always ARRAY_SIZE-1 we have to check
for ipcnum >= ARRAY_SIZE()
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Daniel Drake [Fri, 28 Apr 2006 01:39:19 +0000 (18:39 -0700)]
[PATCH] tipar oops fix
If compiled into the kernel, parport_register_driver() is called before the
parport driver has been initalised.
This means that it is expected that tp_count is 0 after the
parport_register_driver() call() - tipar's attach function will not be
called until later during bootup.
Signed-off-by: Daniel Drake <dsd@gentoo.org>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andrew Morton [Fri, 28 Apr 2006 01:39:18 +0000 (18:39 -0700)]
[PATCH] request_irq(): remove warnings from irq probing
- Add new SA_PROBEIRQ which suppresses the new sharing-mismatch warning.
Some drivers like to use request_irq() to find an unused interrupt slot.
- Use it in i82365.c
- Kill unused SA_PROBE.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
dean gaudet [Fri, 28 Apr 2006 01:39:17 +0000 (18:39 -0700)]
[PATCH] off-by-1 in kernel/power/main.c
There's an off-by-1 in kernel/power/main.c:state_store() ... if your
kernel just happens to have some non-zero data at pm_states[PM_SUSPEND_MAX]
(i.e. one past the end of the array) then it'll let you write anything you
want to /sys/power/state and in response the box will enter S5.
Signed-off-by: dean gaudet <dean@arctic.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Fri, 28 Apr 2006 00:01:37 +0000 (17:01 -0700)]
Merge branch 'release' of git://git./linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] update sn2 defconfig
[IA64] Add mca recovery failure messages
[IA64-SGI] fix SGI Altix tioce_reserve_m32() bug
[IA64] enable dumps to capture second page of kernel stack
[IA64-SGI] - Reduce overhead of reading sn_topology
[IA64-SGI] - Fix discover of nearest cpu node to IO node
[IA64] IOC4 config option ordering
[IA64] Setup an IA64 specific reclaim distance
[IA64] eliminate compile time warnings
[IA64] eliminate compile time warnings
[IA64-SGI] SN SAL call to inject memory errors
[IA64] - Fix MAX_PXM_DOMAINS for systems with > 256 nodes
[IA64] Remove unused variable in sn_sal.h
[IA64] Remove redundant NULL checks before kfree
[IA64] wire up compat_sys_adjtimex()
Jes Sorensen [Thu, 27 Apr 2006 10:10:35 +0000 (06:10 -0400)]
[IA64] update sn2 defconfig
Update SN2 defconfig to latest kernel and add QLA FC drivers commonly
found in SN2 boxes.
Signed-off-by: Jes Sorensen <jes@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Russ Anderson [Thu, 27 Apr 2006 15:07:08 +0000 (10:07 -0500)]
[IA64] Add mca recovery failure messages
When the mca recovery code encounters a condition that makes
the MCA non-recoverable, print the reason it could not recover.
This will make it easier to identify why the recovery code did
not recover.
Signed-off-by: Russ Anderson <rja@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Mike Habeck [Wed, 26 Apr 2006 17:05:50 +0000 (12:05 -0500)]
[IA64-SGI] fix SGI Altix tioce_reserve_m32() bug
The following patch fixes a bug in the SGI Altix tioce_reserve_m32()
code. The bug was that we could walking past the end of the CE ASIC
32/40bit PMU ATE Buffer, resulting in a PIO Reply Error.
Signed-off-by: Mike Habeck <habeck@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Cliff Wickman [Tue, 25 Apr 2006 15:47:48 +0000 (10:47 -0500)]
[IA64] enable dumps to capture second page of kernel stack
In SLES10 (2.6.16) crash dumping (in my experience, LKCD) is unable to
capture the second page of the 2-page task/stack allocation.
This is particularly troublesome for dump analysis, as the stack traceback
cannot be done.
(A similar convention is probably needed throughout the kernel to make
kernel multi-page allocations detectable for dumping)
Multi-page kernel allocations are represented by the single page structure
associated with the first page of the allocation. The page structures
associated with the other pages are unintialized.
If the dumper is selecting only kernel pages it has no way to identify
any but the first page of the allocation.
The fix is to make the task/stack allocation a compound page.
Signed-off-by: Cliff Wickman <cpw@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Jack Steiner [Sat, 22 Apr 2006 14:37:19 +0000 (09:37 -0500)]
[IA64-SGI] - Reduce overhead of reading sn_topology
MPI programs using certain debug options have a long
startup time. This was traced to a "vmalloc/vfree" in
the code that reads /proc/sgi_sn/sn_topology. On large
systems, vfree requires an IPI to all cpus to do TLB
purging.
Replace the vmalloc/vfree with kmalloc/kfree. Although
the size of the structure being allocated is unknown, it
will not not exceed 96 bytes.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Jack Steiner [Sat, 22 Apr 2006 14:36:07 +0000 (09:36 -0500)]
[IA64-SGI] - Fix discover of nearest cpu node to IO node
Fix a bug that causes discovery of the nearest node/cpu to
a TIO (IO node) to fail.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Linus Torvalds [Thu, 27 Apr 2006 21:26:03 +0000 (14:26 -0700)]
Merge /pub/scm/linux/kernel/git/gregkh/pci-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6:
[PATCH] PCI quirk: VIA IRQ fixup should only run for VIA southbridges
[PATCH] PCI: fix potential resource leak in drivers/pci/msi.c
[PATCH] PCI: Documentation: no more device ids
[PATCH] PCI: fix via irq SATA patch
Linus Torvalds [Thu, 27 Apr 2006 21:25:46 +0000 (14:25 -0700)]
Merge /pub/scm/linux/kernel/git/gregkh/usb-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6:
[PATCH] USB: ftdi_sio: add support for ASK RDR 400 series card reader
[PATCH] USB: ftdi_sio: Adds support for iPlus device.
[PATCH] USB: ftdi_sio vendor code for RR-CirKits LocoBuffer USB
[PATCH] USB: Use new PCI_CLASS_SERIAL_USB_* defines
[PATCH] USB: net2280: set driver data before it is used
[PATCH] USB: net2280: check for shared IRQs
[PATCH] USB: net2280: send 0-length packets for ep0
[PATCH] USB: net2280: Handle STALLs for 0-length control-IN requests
[PATCH] USB: storage: atmel unusual dev update
[PATCH] USB: Storage: unusual devs update
[PATCH] USB: add new iTegno usb CDMA 1x card support for pl2303
[PATCH] USB: Resource leak fix for whiteheat driver
Linus Torvalds [Thu, 27 Apr 2006 21:25:30 +0000 (14:25 -0700)]
Merge /pub/scm/linux/kernel/git/gregkh/driver-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6:
[PATCH] Added URI of "linux kernel development process"
[PATCH] Kobject: possible cleanups
[PATCH] Fix OCFS2 warning when DEBUG_FS is not enabled
[PATCH] Kobject: fix build error
[PATCH] Frame buffer: remove cmap sysfs interface
Linus Torvalds [Thu, 27 Apr 2006 21:24:49 +0000 (14:24 -0700)]
Merge branch 'upstream' of git://ftp.linux-mips.org/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Fix branch emulation for floating-point exceptions.
[MIPS] Cleanup inode->r_dev usage.
[MIPS] Update MIPS defconfigs.
[MIPS] Get rid of CONFIG_ADVANCED.
[MIPS] Kconfig: Clarify description of CROSSCOMPILE.
[MIPS] 24K LV: Add core card id.
[MIPS] Sparse: fix sparse for 64-bit kernels.
[MIPS] Use __ffs() instead of ffs() in ip32_irq0().
[MIPS] Fix bitops for MIPS32/MIPS64 CPUs.
[MIPS] Fix ip27 build.
[MIPS] Oprofile: fix sparse warning.
[MIPS] Fix oprofile module unloading
Linus Torvalds [Thu, 27 Apr 2006 21:24:20 +0000 (14:24 -0700)]
Merge branch 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block
* 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block:
[PATCH] splice: make the read-side do batched page lookups
[PATCH] Add find_get_pages_contig(): contiguous variant of find_get_pages()
[PATCH] splice: switch to using page_cache_readahead()
Paolo Ciarrocchi [Tue, 25 Apr 2006 20:47:51 +0000 (22:47 +0200)]
[PATCH] Added URI of "linux kernel development process"
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Adrian Bunk [Sat, 22 Apr 2006 10:14:44 +0000 (12:14 +0200)]
[PATCH] Kobject: possible cleanups
This patch contains the following possible cleanups:
- #if 0 the following unused global function:
- subsys_remove_file()
- remove the following unused EXPORT_SYMBOL's:
- kset_find_obj
- subsystem_init
- remove the following unused EXPORT_SYMBOL_GPL:
- kobject_add_dir
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jean Delvare [Wed, 19 Apr 2006 04:30:22 +0000 (21:30 -0700)]
[PATCH] Fix OCFS2 warning when DEBUG_FS is not enabled
Fix the following warning which happens when OCFS2_FS is enabled but
DEBUG_FS isn't:
fs/ocfs2/dlmglue.c: In function `ocfs2_dlm_init_debug':
fs/ocfs2/dlmglue.c:2036: warning: passing arg 5 of `debugfs_create_file' discards qualifiers from pointer target type
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Joel Becker <Joel.Becker@oracle.com>
Acked-by: Mark Fasheh <mark.fasheh@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Kay Sievers [Tue, 25 Apr 2006 13:37:26 +0000 (15:37 +0200)]
[PATCH] Kobject: fix build error
This fixes a build error for various odd combinations of CONFIG_HOTPLUG
and CONFIG_NET.
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Cc: Nigel Cunningham <ncunningham@cyclades.com>
Cc: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jon Smirl [Wed, 12 Apr 2006 23:43:35 +0000 (19:43 -0400)]
[PATCH] Frame buffer: remove cmap sysfs interface
Remove it as it does not work properly due to sysfs core changes.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Chris Wedgwood [Wed, 19 Apr 2006 06:57:09 +0000 (23:57 -0700)]
[PATCH] PCI quirk: VIA IRQ fixup should only run for VIA southbridges
Alan Cox pointed out that the VIA 'IRQ fixup' was erroneously running
on my system which has no VIA southbridge (but I do have a VIA IEEE
1394 device).
This should address that. I also changed "Via IRQ" to "VIA IRQ"
(initially I read Via as a capitalized via (by way/means of).
Signed-off-by: Chris Wedgwood <cw@f00f.org>
Acked-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jesper Juhl [Mon, 17 Apr 2006 02:02:54 +0000 (04:02 +0200)]
[PATCH] PCI: fix potential resource leak in drivers/pci/msi.c
The coverity checker spotted (as entry #599) that we might leak `entry' in
drivers/pci/msi.c::msix_capability_init()
This patch should take care of that.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ingo Oeser [Tue, 18 Apr 2006 09:20:55 +0000 (11:20 +0200)]
[PATCH] PCI: Documentation: no more device ids
Document that we don't like to add more PCI device ids
but are happy to accept PCI vendor ids for linux/include/pci_ids.h
Original text from Jeff Garzik.
Signed-off-by: Ingo Oeser <netdev@axxeo.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Greg Kroah-Hartman [Thu, 20 Apr 2006 06:50:55 +0000 (15:50 +0900)]
[PATCH] PCI: fix via irq SATA patch
This device id improperly got added to the VIA chipset list with a
previous patch. Remove it as it is not correct.
Cc: Grzegorz Janoszka <Grzegorz@Janoszka.pl>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Zachary Amsden [Thu, 27 Apr 2006 18:32:29 +0000 (11:32 -0700)]
[PATCH] x86/PAE: Fix pte_clear for the >4GB RAM case
Proposed fix for ptep_get_and_clear_full PAE bug. Pte_clear had the same bug,
so use the same fix for both. Turns out pmd_clear had it as well, but pgds
are not affected.
The problem is rather intricate. Page table entries in PAE mode are 64-bits
wide, but the only atomic 8-byte write operation available in 32-bit mode is
cmpxchg8b, which is expensive (at least on P4), and thus avoided. But it can
happen that the processor may prefetch entries into the TLB in the middle of an
operation which clears a page table entry. So one must always clear the P-bit
in the low word of the page table entry first when clearing it.
Since the sequence *ptep = __pte(0) leaves the order of the write dependent on
the compiler, it must be coded explicitly as a clear of the low word followed
by a clear of the high word. Further, there must be a write memory barrier
here to enforce proper ordering by the compiler (and, in the future, by the
processor as well).
On > 4GB memory machines, the implementation of pte_clear for PAE was clearly
deficient, as it could leave virtual mappings of physical memory above 4GB
aliased to memory below 4GB in the TLB. The implementation of
ptep_get_and_clear_full has a similar bug, although not nearly as likely to
occur, since the mappings being cleared are in the process of being destroyed,
and should never be dereferenced again.
But, as luck would have it, it is possible to trigger bugs even without ever
dereferencing these bogus TLB mappings, even if the clear is followed fairly
soon after with a TLB flush or invalidation. The problem is that memory above
4GB may now be aliased into the first 4GB of memory, and in fact, may hit a
region of memory with non-memory semantics. These regions include AGP and PCI
space. As such, these memory regions are not cached by the processor. This
introduces the bug.
The processor can speculate memory operations, including memory writes, as long
as they are committed with the proper ordering. Speculating a memory write to
a linear address that has a bogus TLB mapping is possible. Normally, the
speculation is harmless. But for cached memory, it does leave the falsely
speculated cacheline unmodified, but in a dirty state. This cache line will be
eventually written back. If this cacheline happens to intersect a region of
memory that is not protected by the cache coherency protocol, it can corrupt
data in I/O memory, which is generally a very bad thing to do, and can cause
total system failure or just plain undefined behavior.
These bugs are extremely unlikely, but the severity is of such magnitude, and
the fix so simple that I think fixing them immediately is justified. Also,
they are nearly impossible to debug.
Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Ian Abbott [Wed, 12 Apr 2006 14:20:35 +0000 (15:20 +0100)]
[PATCH] USB: ftdi_sio: add support for ASK RDR 400 series card reader
This patch adds support for an ASK RDR 400 series contactless card
reader <http://www.ask.fr/uk/products_and_services/terminals.html> to
the ftdi_sio driver's device ID table. The product ID was supplied by
Adriano Couto on the ftdi-usb-sio-devel list.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Luiz Fernando N. Capitulino [Tue, 11 Apr 2006 18:52:41 +0000 (15:52 -0300)]
[PATCH] USB: ftdi_sio: Adds support for iPlus device.
Adds support in ftdi_sio usbserial driver for USB modems sold by
Plus GSM Company in Poland.
Signed-off-by: Luiz Fernando Capitulino <lcapitulino@mandriva.com.br>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Nathan Bronson [Mon, 10 Apr 2006 04:05:09 +0000 (00:05 -0400)]
[PATCH] USB: ftdi_sio vendor code for RR-CirKits LocoBuffer USB
This patch adds recognition of the RR-CirKits LocoBuffer USB
to the existing FTDI driver. http://www.rr-cirkits.com
Signed-off-by: Nathan Bronson <ngb@sns-usa.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jean Delvare [Sun, 9 Apr 2006 18:07:35 +0000 (20:07 +0200)]
[PATCH] USB: Use new PCI_CLASS_SERIAL_USB_* defines
We could use the recently added PCI_CLASS_SERIAL_USB_UHCI,
PCI_CLASS_SERIAL_USB_OHCI and PCI_CLASS_SERIAL_USB_EHCI defines in
more places, for slightly shorter and clearer code.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alan Stern [Fri, 14 Apr 2006 20:46:28 +0000 (16:46 -0400)]
[PATCH] USB: net2280: set driver data before it is used
This patch (as671) fixes a bug in the error pathway for the net2280
probe routine. A failure during probe will cause the driver to call
pci_get_drvdata before the corresponding pci_set_drvdata has been set.
The patch also does a kzalloc conversion.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alan Stern [Fri, 14 Apr 2006 20:44:11 +0000 (16:44 -0400)]
[PATCH] USB: net2280: check for shared IRQs
This patch (as670) adds a check for whether a shared IRQ was actually
generated by the net2280 device.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alan Stern [Fri, 14 Apr 2006 20:42:03 +0000 (16:42 -0400)]
[PATCH] USB: net2280: send 0-length packets for ep0
This patch (as669) fixes a bug in the net2280 driver. Now it will
properly send zero-length packets on ep0 until the control status stage
occurs.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Alan Stern [Fri, 14 Apr 2006 20:40:00 +0000 (16:40 -0400)]
[PATCH] USB: net2280: Handle STALLs for 0-length control-IN requests
This patch (as668) fixes a typo in net2280. The handler for 0-length
control-IN requests should check that the endpoint _isn't_ halted before
sending a 0-length packet.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Olivier Blondeau [Mon, 17 Apr 2006 02:19:25 +0000 (19:19 -0700)]
[PATCH] USB: storage: atmel unusual dev update
Originally submitted by Olivier Blondeau <zeitoun@gmail.com>, with re-diffing
by me. Adds a new atmel unusual_dev entry.
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Phil Dibowitz [Mon, 17 Apr 2006 02:18:36 +0000 (19:18 -0700)]
[PATCH] USB: Storage: unusual devs update
This patch removes the Protocol portion of the Iomega Click! device as it's not
needed. Not-needed message reported by Kenneth Crudup <kenny@panix.com>
Signed-off-by: Phil Dibowitz <phil@ipom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Wang Jun [Wed, 19 Apr 2006 08:32:07 +0000 (16:32 +0800)]
[PATCH] USB: add new iTegno usb CDMA 1x card support for pl2303
Add new iTegno usb CDMA 1x card (usbid '0eba:2080') support to pl2303 driver
Signed-off-by: Wang Jun <wangjun1974@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Jesper Juhl [Sun, 23 Apr 2006 17:59:23 +0000 (19:59 +0200)]
[PATCH] USB: Resource leak fix for whiteheat driver
We may return from drivers/usb/serial/whiteheat.c::whiteheat_attach()
without freeing `result' if we leave via the no_firmware: label.
Spotted by the coverity checker as #670
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Ralf Baechle [Wed, 26 Apr 2006 20:33:03 +0000 (21:33 +0100)]
[MIPS] Fix branch emulation for floating-point exceptions.
In the branch emulation for floating-point exceptions, __compute_return_epc
must determine for bc1f et al which condition code bit to test. This is
based on bits <4:2> of the rt field. The switch statement to distinguish
bc1f et al needs to use only the two low bits of rt, but the old code tests
on the whole rt field. This patch masks off the proper bits.
Signed-off-by: Win Treese <treese@acm.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 24 Apr 2006 16:15:10 +0000 (17:15 +0100)]
[MIPS] Cleanup inode->r_dev usage.
imajor()/iminor() should be used instead of accessing r_dev directly.
Based on patch from Eric Sesterhenn (snakebyte@gmx.de).
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 24 Apr 2006 14:00:59 +0000 (15:00 +0100)]
[MIPS] Update MIPS defconfigs.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 24 Apr 2006 13:58:53 +0000 (14:58 +0100)]
[MIPS] Get rid of CONFIG_ADVANCED.
It's been a horrible source of confusion and let users to shoot themselves
into both feet with uzis to no end.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 24 Apr 2006 12:08:41 +0000 (13:08 +0100)]
[MIPS] Kconfig: Clarify description of CROSSCOMPILE.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Chris Dearman [Fri, 14 Apr 2006 23:31:16 +0000 (00:31 +0100)]
[MIPS] 24K LV: Add core card id.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Fri, 14 Apr 2006 15:04:18 +0000 (00:04 +0900)]
[MIPS] Sparse: fix sparse for 64-bit kernels.
This commit breaks sparse for 64bit kernel. The -m64 option is
required. Also, some macro values (such as _MIPS_TUNE, etc.) contain
double-quote characters so it would be better quoting arguments by
single-quote characters.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Mon, 17 Apr 2006 12:24:49 +0000 (21:24 +0900)]
[MIPS] Use __ffs() instead of ffs() in ip32_irq0().
With recent rewrite for generic bitops, ffs() is defined the same way
as the libc and compiler built-in routines (returns int instead of
unsigned long). Use __ffs() for 64bit value.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Mon, 17 Apr 2006 12:19:12 +0000 (21:19 +0900)]
[MIPS] Fix bitops for MIPS32/MIPS64 CPUs.
With recent rewrite for generic bitops, fls() for 32bit kernel with
MIPS64_CPU is broken. Also, ffs(), fls() should be defined the same
way as the libc and compiler built-in routines (returns int instead of
unsigned long).
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Atsushi Nemoto [Wed, 19 Apr 2006 15:12:05 +0000 (00:12 +0900)]
[MIPS] Fix ip27 build.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 24 Apr 2006 09:50:02 +0000 (10:50 +0100)]
[MIPS] Oprofile: fix sparse warning.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Ralf Baechle [Mon, 24 Apr 2006 09:48:54 +0000 (10:48 +0100)]
[MIPS] Fix oprofile module unloading
When unloading oprofile module with timer-mode, oprofile_arch_exit
dereferences a NULL pointer.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Jens Axboe [Thu, 27 Apr 2006 09:05:22 +0000 (11:05 +0200)]
[PATCH] splice: make the read-side do batched page lookups
Use the new find_get_pages_contig() to potentially look up the entire
splice range in one single call. This speeds up generic_file_splice_read()
quite a bit.
Signed-off-by: Jens Axboe <axboe@suse.de>
Jens Axboe [Thu, 27 Apr 2006 06:46:01 +0000 (08:46 +0200)]
[PATCH] Add find_get_pages_contig(): contiguous variant of find_get_pages()
find_get_pages_contig() will break out if we hit a hole in the page cache.
From Andrew Morton, small modifications and documentation by me.
Signed-off-by: Jens Axboe <axboe@suse.de>
Jens Axboe [Thu, 27 Apr 2006 06:44:27 +0000 (08:44 +0200)]
[PATCH] splice: switch to using page_cache_readahead()
Avoids doing useless work, when the file is fully cached.
Signed-off-by: Jens Axboe <axboe@suse.de>
Linus Torvalds [Thu, 27 Apr 2006 02:19:25 +0000 (19:19 -0700)]
Linux v2.6.17-rc3
Linus Torvalds [Wed, 26 Apr 2006 22:45:27 +0000 (15:45 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-mmc
* master.kernel.org:/home/rmk/linux-2.6-mmc:
[MMC] pxamci: fix data timeout calculation
Linus Torvalds [Wed, 26 Apr 2006 22:45:02 +0000 (15:45 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] nommu: trivial fixups for head-nommu.S and the Makefile
[ARM] vfp: fix leak of VFP_NAN_FLAG into FPSCR
[ARM] 3484/1: Correct AEABI CFLAGS for correct enum handling
Russell King [Wed, 26 Apr 2006 20:18:45 +0000 (21:18 +0100)]
Merge nommu tree
Chandra Seetharaman [Tue, 25 Apr 2006 02:35:21 +0000 (19:35 -0700)]
[PATCH] Remove __devinit and __cpuinit from notifier_call definitions
Few of the notifier_chain_register() callers use __init in the definition
of notifier_call. It is incorrect as the function definition should be
available after the initializations (they do not unregister them during
initializations).
This patch fixes all such usages to _not_ have the notifier_call __init
section.
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Chandra Seetharaman [Tue, 25 Apr 2006 02:35:15 +0000 (19:35 -0700)]
[PATCH] Remove __devinitdata from notifier block definitions
Few of the notifier_chain_register() callers use __devinitdata in the
definition of notifier_block data structure. It is incorrect as the
data structure should be available after the initializations (they do
not unregister them during initializations).
This was leading to an oops when notifier_chain_register() call is
invoked for those callback chains after initialization.
This patch fixes all such usages to _not_ have the notifier_block data
structure in the init data section.
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
James Morris [Wed, 26 Apr 2006 06:45:03 +0000 (02:45 -0400)]
[PATCH] LSM: add missing hook to do_compat_readv_writev()
This patch addresses a flaw in LSM, where there is no mediation of readv()
and writev() in for 32-bit compatible apps using a 64-bit kernel.
This bug was discovered and fixed initially in the native readv/writev
code [1], but was not fixed in the compat code. Thanks to Al for spotting
this one.
[1] http://lwn.net/Articles/154282/
Signed-off-by: James Morris <jmorris@namei.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Al Viro [Wed, 26 Apr 2006 06:32:40 +0000 (07:32 +0100)]
[PATCH] protect ext3 ioctl modifying append_only, immutable, etc. with i_mutex
All modifications of ->i_flags in inodes that might be visible to
somebody else must be under ->i_mutex. That patch fixes ext3 ioctl()
setting S_APPEND and friends.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Al Viro [Wed, 26 Apr 2006 06:28:09 +0000 (07:28 +0100)]
[PATCH] fix mips sys32_p{read,write}
Switched to use of sys_pread64()/sys_pwrite64() rather than keep duplicating
their guts; among the little things that had been missing there were such as
ret = security_file_permission (file, MAY_READ);
Gotta love the LSM robustness, right?
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Al Viro [Wed, 26 Apr 2006 06:26:09 +0000 (07:26 +0100)]
[PATCH] forgotten ->b_data in memcpy() call in ext3/resize.c (oopsable)
sbi->s_group_desc is an array of pointers to buffer_head. memcpy() of
buffer size from address of buffer_head is a bad idea - it will generate
junk in any case, may oops if buffer_head is close to the end of slab
page and next page is not mapped and isn't what was intended there.
IOW, ->b_data is missing in that call. Fortunately, result doesn't go
into the primary on-disk data structures, so only backup ones get crap
written to them; that had allowed this bug to remain unnoticed until
now.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Al Viro [Wed, 26 Apr 2006 06:20:48 +0000 (07:20 +0100)]
[PATCH] fix leak in activate_ep_files()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Wed, 26 Apr 2006 14:47:55 +0000 (07:47 -0700)]
Merge branch 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block
* 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block:
[PATCH] splice: add ->splice_write support for /dev/null
[PATCH] splice: rearrange moving to/from pipe helpers
[PATCH] Add support for the sys_vmsplice syscall
[PATCH] splice: fix offset problems
[PATCH] splice: fix min() warning
Linus Torvalds [Wed, 26 Apr 2006 14:46:19 +0000 (07:46 -0700)]
Merge branch 'upstream-linus' of /linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6:
[PATCH] forcedeth: fix initialization
[PATCH] sky2: version 1.2
[PATCH] sky2: reset function can be devinit
[PATCH] sky2: use ALIGN() macro
[PATCH] sky2: add fake idle irq timer
[PATCH] sky2: reschedule if irq still pending
[PATCH] bcm43xx: make PIO mode usable
[PATCH] bcm43xx: add to MAINTAINERS
[PATCH] softmac: fix SIOCSIWAP
[PATCH] Fix crash on big-endian systems during scan
e1000: Update truesize with the length of the packet for packet split
[PATCH] Fix locking in gianfar
Linus Torvalds [Wed, 26 Apr 2006 14:45:57 +0000 (07:45 -0700)]
Merge /pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[BRIDGE]: allow full size vlan packets
Jens Axboe [Wed, 26 Apr 2006 12:40:08 +0000 (14:40 +0200)]
[PATCH] splice: add ->splice_write support for /dev/null
Useful for testing.
Signed-off-by: Jens Axboe <axboe@suse.de>
Jens Axboe [Wed, 26 Apr 2006 12:39:29 +0000 (14:39 +0200)]
[PATCH] splice: rearrange moving to/from pipe helpers
We need these for people writing their own ->splice_read/write hooks.
Signed-off-by: Jens Axboe <axboe@suse.de>
Ayaz Abdulla [Mon, 24 Apr 2006 22:41:31 +0000 (18:41 -0400)]
[PATCH] forcedeth: fix initialization
This patch fixes the nic initialization. If the nic was in low power
mode, it brings it back to normal power. Also, it utilizes a new
hardware reset during the init.
I am resending based on feedback, I corrected the register size mapping
and delay after posted write.
Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Stephen Hemminger [Tue, 25 Apr 2006 17:58:54 +0000 (10:58 -0700)]
[PATCH] sky2: version 1.2
Update to version 1.2
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Stephen Hemminger [Tue, 25 Apr 2006 17:58:53 +0000 (10:58 -0700)]
[PATCH] sky2: reset function can be devinit
The sky2_reset function only called from sky2_probe.
Maybe the compiler was smart enough to figure this out already.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Stephen Hemminger [Tue, 25 Apr 2006 17:58:52 +0000 (10:58 -0700)]
[PATCH] sky2: use ALIGN() macro
The ALIGN() macro in kernel.h does the same math that the
sky2 driver was using for padding.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Stephen Hemminger [Tue, 25 Apr 2006 17:58:51 +0000 (10:58 -0700)]
[PATCH] sky2: add fake idle irq timer
Add an fake NAPI schedule once a second. This is an attempt to work around
for broken configurations with edge-triggered interrupts.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Stephen Hemminger [Tue, 25 Apr 2006 17:58:50 +0000 (10:58 -0700)]
[PATCH] sky2: reschedule if irq still pending
This is a workaround for the case edge-triggered irq's. Several users
seem to have broken configurations sharing edge-triggered irq's. To avoid
losing IRQ's, reshedule if more work arrives.
The changes to netdevice.h are to extract the part that puts device
back in list into separate inline.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Jeff Garzik [Wed, 26 Apr 2006 10:16:50 +0000 (06:16 -0400)]
Merge branch 'upstream-fixes' of git://git./linux/kernel/git/linville/wireless-2.6 into upstream-fixes
Jeff Garzik [Wed, 26 Apr 2006 10:16:05 +0000 (06:16 -0400)]
Merge branch 'skb_truesize' of git://lost.foo-projects.org/~ahkok/git/linux-2.6 into upstream-fixes
Jeff Garzik [Wed, 26 Apr 2006 10:15:27 +0000 (06:15 -0400)]
Merge branch 'master' into upstream-fixes
Stephen Hemminger [Wed, 26 Apr 2006 09:39:19 +0000 (02:39 -0700)]
[BRIDGE]: allow full size vlan packets
Need to allow for VLAN header when bridging.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jens Axboe [Wed, 26 Apr 2006 08:59:21 +0000 (10:59 +0200)]
[PATCH] Add support for the sys_vmsplice syscall
sys_splice() moves data to/from pipes with a file input/output. sys_vmsplice()
moves data to a pipe, with the input being a user address range instead.
This uses an approach suggested by Linus, where we can hold partial ranges
inside the pages[] map. Hopefully this will be useful for network
receive support as well.
Signed-off-by: Jens Axboe <axboe@suse.de>
Miklos Szeredi [Wed, 26 Apr 2006 08:49:26 +0000 (10:49 +0200)]
[doc] add paragraph about 'fs' subsystem to sysfs.txt
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Miklos Szeredi [Wed, 26 Apr 2006 08:49:16 +0000 (10:49 +0200)]
[fuse] fix race between checking and setting file->private_data
BKL does not protect against races if the task may sleep between
checking and setting a value. So move checking of file->private_data
near to setting it in fuse_fill_super().
Found by Al Viro.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Miklos Szeredi [Wed, 26 Apr 2006 08:49:06 +0000 (10:49 +0200)]
[fuse] fix deadlock between fuse_put_super() and request_end(), try #2
A deadlock was possible, when the last reference to the superblock was
held due to a background request containing a file reference.
Releasing the file would release the vfsmount which in turn would
release the superblock. Since sbput_sem is held during the fput() and
fuse_put_super() tries to acquire this same semaphore, a deadlock
results.
The solution is to move the fput() outside the region protected by
sbput_sem.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Miklos Szeredi [Wed, 26 Apr 2006 08:48:55 +0000 (10:48 +0200)]
Revert "[fuse] fix deadlock between fuse_put_super() and request_end()"
This reverts
73ce8355c243a434524a34c05cc417dd0467996e commit.
It was wrong, because it didn't take into account the requirement,
that iput() for background requests must be performed synchronously
with ->put_super(), otherwise active inodes may remain after unmount.
The right solution is to keep the sbput_sem and perform iput() within
the locked region, but move fput() outside sbput_sem.
Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Jens Axboe [Tue, 25 Apr 2006 13:42:00 +0000 (15:42 +0200)]
[PATCH] splice: fix offset problems
Make the move_from_pipe() actors return number of bytes processed, then
move_from_pipe() can decide more cleverly when to move on to the next
buffer.
This fixes problems with pipe offset and differing file offset.
Signed-off-by: Jens Axboe <axboe@suse.de>
Andrew Morton [Tue, 25 Apr 2006 13:33:34 +0000 (15:33 +0200)]
[PATCH] splice: fix min() warning
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jens Axboe <axboe@suse.de>