Michel Lespinasse a7d2c573ae rwsem: avoid taking wait_lock in rwsem_down_write_failed ...

In rwsem_down_write_failed(), if there are active locks after we wake up
(i.e.  the lock got stolen from us), skip taking the wait_lock and go
back to sleep immediately.

Signed-off-by: Michel Lespinasse <walken@google.com>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Acked-by: Davidlohr Bueso <davidlohr.bueso@hp.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2013-05-07 07:20:16 -07:00

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lzo

lib/lzo: Update LZO compression to current upstream version

2013-02-20 19:36:01 +01:00

mpi

mpilib: use DIV_ROUND_UP and remove unused macros

2013-02-01 16:28:32 +11:00

raid6

lib/raid6: build proper files on corresponding arch

2012-12-13 19:51:04 +11:00

reed_solomon

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xz

decompressors: fix typo "POWERPC"

2013-03-13 15:21:48 -07:00

zlib_deflate

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zlib_inflate

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.gitignore

X.509: Implement simple static OID registry

2012-10-08 13:50:18 +10:30

argv_split.c

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asn1_decoder.c

Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

2012-12-19 07:55:08 -08:00

atomic64_test.c

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atomic64.c

lib: atomic64: Initialize locks statically to fix early users

2012-12-20 13:50:16 -08:00

audit.c

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average.c

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bcd.c

usb/core: use bin2bcd() for bcdDevice in RH

2012-09-10 11:13:16 -07:00

bch.c

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bitmap.c

propagate name change to comments in kernel source

2012-12-06 10:39:54 +01:00

bitrev.c

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bsearch.c

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btree.c

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bug.c

taint: add explicit flag to show whether lock dep is still OK.

2013-01-21 17:17:57 +10:30

build_OID_registry

X.509: Implement simple static OID registry

2012-10-08 13:50:18 +10:30

bust_spinlocks.c

printk: Provide a wake_up_klogd() off-case

2013-03-22 16:41:20 -07:00

check_signature.c

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checksum.c

asm-generic headers: Allow yet more arch overrides in checksum.h

2013-02-11 20:00:33 +05:30

clz_tab.c

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cmdline.c

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cordic.c

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cpu_rmap.c

lib: cpu_rmap: avoid flushing all workqueues

2013-01-11 14:54:54 -08:00

cpu-notifier-error-inject.c

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cpumask.c

bootmem: fix wrong call parameter for free_bootmem()

2012-12-11 17:22:28 -08:00

crc7.c

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crc8.c

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crc16.c

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crc32.c

sections: fix const sections for crc32 table

2012-10-06 03:04:46 +09:00

crc32defs.h

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crc-ccitt.c

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crc-itu-t.c

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crc-t10dif.c

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ctype.c

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debug_locks.c

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debugobjects.c

hlist: drop the node parameter from iterators

2013-02-27 19:10:24 -08:00

dec_and_lock.c

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decompress_bunzip2.c

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decompress_inflate.c

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decompress_unlzma.c

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decompress_unlzo.c

lib/lzo: Rename lzo1x_decompress.c to lzo1x_decompress_safe.c

2013-02-20 19:36:00 +01:00

decompress_unxz.c

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decompress.c

lib/decompress.c add __init to decompress_method and data

2012-10-06 03:05:32 +09:00

devres.c

lib/devres.c: fix misplaced #endif

2013-02-27 19:10:09 -08:00

digsig.c

Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security

2013-02-21 08:18:12 -08:00

div64.c

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dma-debug.c

dma-debug: update DMA debug API to better handle multiple mappings of a buffer

2013-03-22 16:41:20 -07:00

dump_stack.c

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dynamic_debug.c

dynamic_debug: add pr_errs before -EINVALs

2013-01-17 12:19:09 -08:00

dynamic_queue_limits.c

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earlycpio.c

lib: Add early cpio decoder

2012-09-30 18:02:20 -07:00

extable.c

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fault-inject.c

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fdt_ro.c

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fdt_rw.c

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fdt_strerror.c

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fdt_sw.c

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fdt_wip.c

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fdt.c

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find_last_bit.c

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find_next_bit.c

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flex_array.c

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flex_proportions.c

lib/flex_proportions.c: fix corruption of denominator in flexible proportions

2012-09-25 08:59:21 -07:00

gcd.c

lib/gcd.c: prevent possible div by 0

2012-10-06 03:04:57 +09:00

gen_crc32table.c

sections: fix const sections for crc32 table

2012-10-06 03:04:46 +09:00

genalloc.c

genalloc: stop crashing the system when destroying a pool

2012-10-25 14:37:52 -07:00

halfmd4.c

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hexdump.c

dynamic_debug: dynamic hex dump

2013-01-17 12:19:09 -08:00

hweight.c

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idr.c

idr: idr_alloc() shouldn't trigger lowmem warning when preloaded

2013-03-13 15:21:49 -07:00

inflate.c

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int_sqrt.c

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interval_tree_test_main.c

random32: rename random32 to prandom

2012-12-17 17:15:26 -08:00

interval_tree.c

mm: interval tree updates

2012-10-09 16:22:40 +09:00

iomap_copy.c

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iomap.c

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iommu-helper.c

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ioremap.c

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irq_regs.c

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is_single_threaded.c

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jedec_ddr_data.c

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kasprintf.c

lib/kasprintf.c: use kmalloc_track_caller() to get accurate traces for kvasprintf

2012-10-11 08:50:15 +09:00

Kconfig

Move utf16 functions to kernel core and rename

2013-04-15 21:23:03 +01:00

Kconfig.debug

Merge tag 'metag-v3.9-rc1-v4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/metag

2013-03-03 12:06:09 -08:00

Kconfig.kgdb

Merge tag 'for_linux-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb

2013-03-02 08:31:39 -08:00

Kconfig.kmemcheck

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kfifo.c

kfifo: fix kfifo_alloc() and kfifo_init()

2013-02-27 19:10:23 -08:00

klist.c

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kobject_uevent.c

netlink: hide struct module parameter in netlink_kernel_create

2012-09-08 18:46:30 -04:00

kobject.c

kobject: fix kset_find_obj() race with concurrent last kobject_put()

2013-04-13 15:15:30 -07:00

kstrtox.c

kstrto*: add documentation

2012-12-17 17:15:22 -08:00

kstrtox.h

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lcm.c

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libcrc32c.c

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list_debug.c

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list_sort.c

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llist.c

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locking-selftest-hardirq.h

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locking-selftest-mutex.h

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locking-selftest-rlock-hardirq.h

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locking-selftest-rlock-softirq.h

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locking-selftest-rlock.h

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locking-selftest-rsem.h

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locking-selftest-softirq.h

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locking-selftest-spin-hardirq.h

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locking-selftest-spin-softirq.h

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locking-selftest-spin.h

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locking-selftest-wlock-hardirq.h

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locking-selftest-wlock-softirq.h

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locking-selftest-wlock.h

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locking-selftest-wsem.h

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locking-selftest.c

lockdep: Selftest: convert spinlock to raw spinlock

2013-02-19 08:43:35 +01:00

lru_cache.c

hlist: drop the node parameter from iterators

2013-02-27 19:10:24 -08:00

Makefile

Move utf16 functions to kernel core and rename

2013-04-15 21:23:03 +01:00

md5.c

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memory-notifier-error-inject.c

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memweight.c

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nlattr.c

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notifier-error-inject.c

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notifier-error-inject.h

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of-reconfig-notifier-error-inject.c

powerpc+of: Rename and fix OF reconfig notifier error inject module

2012-12-14 10:32:52 +11:00

oid_registry.c

X.509: Add utility functions to render OIDs as strings

2012-10-08 13:50:18 +10:30

parser.c

lib/parser.c: fix up comments for valid return values from match_number

2013-02-21 17:22:25 -08:00

pci_iomap.c

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percpu_counter.c

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percpu-rwsem.c

percpu_rw_semaphore: add lockdep annotations

2012-12-17 17:15:18 -08:00

plist.c

lib/plist.c: make plist test announcements KERN_DEBUG

2012-10-06 03:04:58 +09:00

pm-notifier-error-inject.c

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prio_heap.c

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proportions.c

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radix-tree.c

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random32.c

prandom: introduce prandom_bytes() and prandom_bytes_state()

2012-12-17 17:15:26 -08:00

ratelimit.c

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rational.c

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rbtree_test.c

random32: rename random32 to prandom

2012-12-17 17:15:26 -08:00

rbtree.c

lib/rbtree.c: avoid the use of non-static __always_inline

2013-01-11 14:54:56 -08:00

reciprocal_div.c

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rwsem-spinlock.c

rwsem: make the waiter type an enumeration rather than a bitmask

2013-05-07 07:20:15 -07:00

rwsem.c

rwsem: avoid taking wait_lock in rwsem_down_write_failed

2013-05-07 07:20:16 -07:00

scatterlist.c

lib/scatterlist: use page iterator in the mapping iterator

2013-02-27 19:10:10 -08:00

sha1.c

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show_mem.c

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smp_processor_id.c

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sort.c

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spinlock_debug.c

lib/spinlock_debug: avoid livelock in do_raw_spin_lock()

2012-10-06 03:04:57 +09:00

stmp_device.c

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string_helpers.c

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string.c

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strncpy_from_user.c

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strnlen_user.c

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swiotlb.c

x86, kdump: Set crashkernel_low automatically

2013-04-17 12:35:32 -07:00

syscall.c

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test-kstrtox.c

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textsearch.c

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timerqueue.c

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ts_bm.c

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ts_fsm.c

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ts_kmp.c

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ucs2_string.c

Move utf16 functions to kernel core and rename

2013-04-15 21:23:03 +01:00

uuid.c

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vsprintf.c

lib/vsprintf.c: add %pa format specifier for phys_addr_t types

2013-02-21 17:22:20 -08:00