Age | Commit message (Collapse) | Author |
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introduce x86_quirks array of boot-time quirk methods.
No change in functionality intended.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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no user now
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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It's not used anywhere outside its single referencing file.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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It's not used anywhere outside its declaring file.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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Even though it's only the difference of the two __initdata symbols
that's being calculated, modpost still doesn't like this. So rather
calculate the size once in an __init function and store it for later
use.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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This was old code that was needed for iBCS and x86-64 never supported that.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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x86: remove double inclusions in arch/x86/kernel/cpu/common_64.c
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Cc: yhlu.kernel@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This printk has a KERN_ facility level in the format string.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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x86: remove double includes in setup.c
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Cc: yhlu.kernel@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ricardo M. Correia spotted that the use of __fls() in fls64() did
not seem to make sense. In fact fls64()'s implementation is fine,
but the description of __fls() was wrong. Fix that.
Reported-by: "Ricardo M. Correia" <Ricardo.M.Correia@Sun.COM>
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Make and use macro FIX_EFLAGS, instead of immediate value 0x40DD5 in
ia32_restore_sigcontext().
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
[PATCH] ocfs2: fix oops in mmap_truncate testing
configfs: call drop_link() to cleanup after create_link() failure
configfs: Allow ->make_item() and ->make_group() to return detailed errors.
configfs: Fix failing mkdir() making racing rmdir() fail
configfs: Fix deadlock with racing rmdir() and rename()
configfs: Make configfs_new_dirent() return error code instead of NULL
configfs: Protect configfs_dirent s_links list mutations
configfs: Introduce configfs_dirent_lock
ocfs2: Don't snprintf() without a format.
ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefs
ocfs2/net: Silence build warnings on sparc64
ocfs2: Handle error during journal load
ocfs2: Silence an error message in ocfs2_file_aio_read()
ocfs2: use simple_read_from_buffer()
ocfs2: fix printk format warnings with OCFS2_FS_STATS=n
[PATCH 2/2] ocfs2: Instrument fs cluster locks
[PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option
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* git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6:
pcmcia: ide-cs: Remove outdated comment
pcmcia: fix cisinfo_t removal
pcmcia: fix return value in cm4000_cs.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: fix asm/e820.h for userspace inclusion
x86: fix numaq_tsc_disable
x86: fix kernel_physical_mapping_init() for large x86 systems
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
ftrace: do not trace library functions
ftrace: do not trace scheduler functions
ftrace: fix lockup with MAXSMP
ftrace: fix merge buglet
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asm-x86/e820.h is included from userspace. 'x86: make e820.c to have
common functions' (b79cd8f1268bab57ff85b19d131f7f23deab2dee) broke it:
make -C Documentation/lguest
cc -Wall -Wmissing-declarations -Wmissing-prototypes -O3 -I../../include
lguest.c -lz -o lguest
In file included from ../../include/asm-x86/bootparam.h:8,
from lguest.c:45:
../../include/asm/e820.h:66: error: expected ‘)’ before ‘start’
../../include/asm/e820.h:67: error: expected ‘)’ before ‘start’
../../include/asm/e820.h:68: error: expected ‘)’ before ‘start’
../../include/asm/e820.h:72: error: expected ‘=’, ‘,’, ‘;’, ‘asm’
or ‘__attribute__’ before ‘e820_update_range’
...
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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fix:
arch/x86/kernel/numaq_32.c: In function ‘numaq_tsc_disable’:
arch/x86/kernel/numaq_32.c:99: warning: ‘return’ with a value, in function returning void
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Fix calls of smp_call_function*() in arch/ia64/kvm for recent API
changes.
CC [M] arch/ia64/kvm/kvm-ia64.o
arch/ia64/kvm/kvm-ia64.c: In function 'handle_global_purge':
arch/ia64/kvm/kvm-ia64.c:398: error: too many arguments to function 'smp_call_function_single'
arch/ia64/kvm/kvm-ia64.c: In function 'kvm_vcpu_kick':
arch/ia64/kvm/kvm-ia64.c:1696: error: too many arguments to function 'smp_call_function_single'
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-utrace
* 'ptrace-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/frob/linux-2.6-utrace:
fix dangling zombie when new parent ignores children
do_wait: return security_task_wait() error code in place of -ECHILD
ptrace children revamp
do_wait reorganization
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Also fix unwanted rebuilds of the firmware/ihex2fw tool by including
the .ihex2fw.cmd file when present.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Reported-and-tested-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] dasd: use -EOPNOTSUPP instead of -ENOTSUPP
[S390] qdio: new qdio driver.
[S390] cio: Export chsc_error_from_response().
[S390] vmur: Fix return code handling.
[S390] Fix stacktrace compile bug.
[S390] Increase default warning stacksize.
[S390] dasd: Fix cleanup in dasd_{fba,diag}_check_characteristics().
[S390] chsc headers userspace cleanup
[S390] dasd: fix unsolicited SIM handling.
[S390] zfcpdump: Make SCSI disk dump tool recognize storage holes
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The patch named "powerpc/mpc5121: Add clock driver", also contained
an unrelated and bogus change to the top-level makefile. This patch
backs out the bad bit.
SHA1 of offending patch: 137e95906e294913fab02162e8a1948ade49acb5)
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Repented-by: John Rigby <jrigby@freescale.com>
[ Heh. Normally I pick these out from the diffstats, but I guess
I've grown to trust the ppc tree too much ;) - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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make function tracing more robust: do not trace library functions.
We've already got a sizable list of exceptions:
ifdef CONFIG_FTRACE
# Do not profile string.o, since it may be used in early boot or vdso
CFLAGS_REMOVE_string.o = -pg
# Also do not profile any debug utilities
CFLAGS_REMOVE_spinlock_debug.o = -pg
CFLAGS_REMOVE_list_debug.o = -pg
CFLAGS_REMOVE_debugobjects.o = -pg
CFLAGS_REMOVE_find_next_bit.o = -pg
CFLAGS_REMOVE_cpumask.o = -pg
CFLAGS_REMOVE_bitmap.o = -pg
endif
... and the pattern has been that random library functionality showed
up in ftrace's critical path (outside of its recursion check), causing
hard to debug lockups.
So be a bit defensive about it and exclude all lib/*.o functions by
default. It's not that they are overly interesting for tracing purposes
anyway. Specific ones can still be traced, in an opt-in manner.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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do not trace scheduler functions - it's still a bit fragile
and can lock up with:
http://redhat.com/~mingo/misc/config-Thu_Jul_17_13_34_52_CEST_2008
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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MAXSMP brings in lots of use of various bitops in smp_processor_id()
and friends - causing ftrace to lock up during bootup:
calling anon_inode_init+0x0/0x130
initcall anon_inode_init+0x0/0x130 returned 0 after 0 msecs
calling acpi_event_init+0x0/0x57
[ hard hang ]
So exclude the bitops facilities from tracing.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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return value -ENOTSUPP is not valid in userspace context, use
-EOPNOTSUPP instead
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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List of major changes:
- split qdio driver into several files
- seperation of thin interrupt code
- improved handling for multiple thin interrupt devices
- inbound and outbound processing now always runs in tasklet context
- significant less tasklet schedules per interrupt needed
- merged qebsm with non-qebsm handling
- cleanup qdio interface and added kerneldoc
- coding style
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Utz Bacher <utz.bacher@de.ibm.com>
Reviewed-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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Make chsc_error_from_response() available to chsc callers outside
of chsc.c (namely qdio) to avoid duplicating error checking code.
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
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Use -EOPNOTSUPP instead of -ENOTSUPP.
Signed-off-by: Frank Munzert <munzert@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add missing module.h include to fix this:
CC arch/s390/kernel/stacktrace.o
arch/s390/kernel/stacktrace.c:84: warning: data definition has no type or storage class
arch/s390/kernel/stacktrace.c:84: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
arch/s390/kernel/stacktrace.c:84: warning: parameter names (without types) in function declaration
arch/s390/kernel/stacktrace.c:97: warning: data definition has no type or storage class
arch/s390/kernel/stacktrace.c:97: warning: type defaults to 'int' in declaration of 'EXPORT_SYMBOL_GPL'
arch/s390/kernel/stacktrace.c:97: warning: parameter names (without types) in function declaration
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Compiling a kernel with allmodconfig or allyesconfig results in tons
of gcc warnings, because the default maximum stacksize from which on
gcc will emit a warning is just 256 bytes.
Increase this to 2048, so these warnings don't distract from the real
warnings that we need to watch at.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Kernel headers shouldn't expose functions to userspace.
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Add missing schedule_bh and check that there is 32 bit sense data.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The kernel part of zfcpdump establishes a new debugfs file zcore/memmap
which exports information on memory layout (start address and length of each
memory chunk) to its userspace counterpart.
Signed-off-by: Frank Munzert <munzert@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
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-tip testing found a bootup hang here:
initcall anon_inode_init+0x0/0x130 returned 0 after 0 msecs
calling acpi_event_init+0x0/0x57
the bootup should have continued with:
initcall acpi_event_init+0x0/0x57 returned 0 after 45 msecs
but it hung hard there instead.
bisection led to this commit:
| commit 5806b81ac1c0c52665b91723fd4146a4f86e386b
| Merge: d14c8a6... 6712e29...
| Author: Ingo Molnar <mingo@elte.hu>
| Date: Mon Jul 14 16:11:52 2008 +0200
| Merge branch 'auto-ftrace-next' into tracing/for-linus
turns out that i made this mistake in the merge:
ifdef CONFIG_FTRACE
# Do not profile debug utilities
CFLAGS_REMOVE_tsc_64.o = -pg
CFLAGS_REMOVE_tsc_32.o = -pg
those two files got unified meanwhile - so the dont-profile annotation
got lost. The proper rule is:
CFLAGS_REMOVE_tsc.o = -pg
i guess this could have been caught sooner if the CFLAGS_REMOVE* kbuild
rule aborted the build if it met a target that does not exist anymore?
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This fixes an arcane bug that we think was a regression introduced
by commit b2b2cbc4b2a2f389442549399a993a8306420baf. When a parent
ignores SIGCHLD (or uses SA_NOCLDWAIT), its children would self-reap
but they don't if it's using ptrace on them. When the parent thread
later exits and ceases to ptrace a child but leaves other live
threads in the parent's thread group, any zombie children are left
dangling. The fix makes them self-reap then, as they would have
done earlier if ptrace had not been in use.
Signed-off-by: Roland McGrath <roland@redhat.com>
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This reverts the effect of commit f2cc3eb133baa2e9dc8efd40f417106b2ee520f3
"do_wait: fix security checks". That change reverted the effect of commit
73243284463a761e04d69d22c7516b2be7de096c. The rationale for the original
commit still stands. The inconsistent treatment of children hidden by
ptrace was an unintended omission in the original change and in no way
invalidates its purpose.
This makes do_wait return the error returned by security_task_wait()
(usually -EACCES) in place of -ECHILD when there are some children the
caller would be able to wait for if not for the permission failure. A
permission error will give the user a clue to look for security policy
problems, rather than for mysterious wait bugs.
Signed-off-by: Roland McGrath <roland@redhat.com>
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ptrace no longer fiddles with the children/sibling links, and the
old ptrace_children list is gone. Now ptrace, whether of one's own
children or another's via PTRACE_ATTACH, just uses the new ptraced
list instead.
There should be no user-visible difference that matters. The only
change is the order in which do_wait() sees multiple stopped
children and stopped ptrace attachees. Since wait_task_stopped()
was changed earlier so it no longer reorders the children list, we
already know this won't cause any new problems.
Signed-off-by: Roland McGrath <roland@redhat.com>
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This breaks out the guts of do_wait into three subfunctions.
The control flow is less nonobvious without so much goto.
do_wait_thread and ptrace_do_wait contain the main work of the outer loop.
wait_consider_task contains the main work of the inner loop.
Signed-off-by: Roland McGrath <roland@redhat.com>
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Before accessing the device data structure in hardware handlers,
make sure it is a indeed a sdev device.
Yinghai Lu <yhlu.kernel@gmail.com> found the bug on Jul 16, 2008,
and later tested/verified the following fix.
Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (72 commits)
Revert "x86/PCI: ACPI based PCI gap calculation"
PCI: remove unnecessary volatile in PCIe hotplug struct controller
x86/PCI: ACPI based PCI gap calculation
PCI: include linux/pm_wakeup.h for device_set_wakeup_capable
PCI PM: Fix pci_prepare_to_sleep
x86/PCI: Fix PCI config space for domains > 0
Fix acpi_pm_device_sleep_wake() by providing a stub for CONFIG_PM_SLEEP=n
PCI: Simplify PCI device PM code
PCI PM: Introduce pci_prepare_to_sleep and pci_back_from_sleep
PCI ACPI: Rework PCI handling of wake-up
ACPI: Introduce new device wakeup flag 'prepared'
ACPI: Introduce acpi_device_sleep_wake function
PCI: rework pci_set_power_state function to call platform first
PCI: Introduce platform_pci_power_manageable function
ACPI: Introduce acpi_bus_power_manageable function
PCI: make pci_name use dev_name
PCI: handle pci_name() being const
PCI: add stub for pci_set_consistent_dma_mask()
PCI: remove unused arch pcibios_update_resource() functions
PCI: fix pci_setup_device()'s sprinting into a const buffer
...
Fixed up conflicts in various files (arch/x86/kernel/setup_64.c,
arch/x86/pci/irq.c, arch/x86/pci/pci.h, drivers/acpi/sleep/main.c,
drivers/pci/pci.c, drivers/pci/pci.h, include/acpi/acpi_bus.h) from x86
and ACPI updates manually.
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This reverts commit 809d9a8f93bd8504dcc34b16bbfdfd1a8c9bb1ed.
This one isn't quite ready for prime time. It needs more testing and
additional feedback from the ACPI guys.
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This patch fixes a mmap_truncate bug which was found by ocfs2 test suite.
In an ocfs2 cluster more than 1 node, run program mmap_truncate, which races
mmap writes and truncates from multiple processes. While the test is
running, a stat from another node forces writeout, causing an oops in
ocfs2_get_block() because it sees a buffer to write which isn't allocated.
This patch fixed the bug by clear dirty and uptodate bits in buffer, leave
the buffer unmapped and return.
Fix is suggested by Mark Fasheh, and I code up the patch.
Signed-off-by: Coly Li <coyli@suse.de>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (68 commits)
sdio_uart: Fix SDIO break control to now return success or an error
mmc: host driver for Ricoh Bay1Controllers
sdio: sdio_io.c Fix sparse warnings
sdio: fix the use of hard coded timeout value.
mmc: OLPC: update vdd/powerup quirk comment
mmc: fix spares errors of sdhci.c
mmc: remove multiwrite capability
wbsd: fix bad dma_addr_t conversion
atmel-mci: Driver for Atmel on-chip MMC controllers
mmc: fix sdio_io sparse errors
mmc: wbsd.c fix shadowing of 'dma' variable
MMC: S3C24XX: Refuse incorrectly aligned transfers
MMC: S3C24XX: Add maintainer entry
MMC: S3C24XX: Update error debugging.
MMC: S3C24XX: Add media presence test to request handling.
MMC: S3C24XX: Fix use of msecs where jiffies are needed
MMC: S3C24XX: Add MODULE_ALIAS() entries for the platform devices
MMC: S3C24XX: Fix s3c2410_dma_request() return code check.
MMC: S3C24XX: Allow card-detect on non-IRQ capable pin
MMC: S3C24XX: Ensure host->mrq->data is valid
...
Manually fixed up bogus executable bits on drivers/mmc/core/sdio_io.c
and include/linux/mmc/sdio_func.h when merging.
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* 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6:
UBIFS: include to compilation
UBIFS: add new flash file system
UBIFS: add brief documentation
MAINTAINERS: add UBIFS section
do_mounts: allow UBI root device name
VFS: export sync_sb_inodes
VFS: move inode_lock into sync_sb_inodes
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* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (76 commits)
IDE: Report errors during drive reset back to user space
Update documentation of HDIO_DRIVE_RESET ioctl
IDE: Remove unused code
IDE: Fix HDIO_DRIVE_RESET handling
hd.c: remove the #include <linux/mc146818rtc.h>
update the BLK_DEV_HD help text
move ide/legacy/hd.c to drivers/block/
ide/legacy/hd.c: use late_initcall()
remove BLK_DEV_HD_ONLY
ide: endian annotations in ide-floppy.c
ide-floppy: zero out the whole struct ide_atapi_pc on init
ide-floppy: fold idefloppy_create_test_unit_ready_cmd into idefloppy_open
ide-cd: move request prep chunk from cdrom_do_newpc_cont to rq issue path
ide-cd: move request prep from cdrom_start_rw_cont to rq issue path
ide-cd: move request prep from cdrom_start_seek_continuation to rq issue path
ide-cd: fold cdrom_start_seek into ide_cd_do_request
ide-cd: simplify request issuing path
ide-cd: mv ide_do_rw_cdrom ide_cd_do_request
ide-cd: cdrom_start_seek: remove unused argument block
ide-cd: ide_do_rw_cdrom: add the catch-all bad request case to the if-else block
...
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