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aha/lib
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Manfred Spraul 6ff2d39b91 lib/idr.c: fix rcu related race with idr_find 
2nd part of the fixes needed for
http://bugzilla.kernel.org/show_bug.cgi?id=11796.

When the idr tree is either grown or shrunk, then the update to the number
of layers and the top pointer were not atomic.  This race caused crashes.

The attached patch fixes that by replicating the layers counter in each
layer, thus idr_find doesn't need idp->layers anymore.

Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
Cc: Clement Calmels <cboulte@gmail.com>
Cc: Nadia Derbey <Nadia.Derbey@bull.net>
Cc: Pierre Peiffer <peifferp@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-01 19:55:25 -08:00
..
lzo lzo: use get/put_unaligned_* helpers 2008-07-25 10:53:26 -07:00
reed_solomon lib: Remove unnecessary inclusions of asm/semaphore.h 2008-04-18 22:17:17 -04:00
zlib_deflate lib/: Spelling fixes 2008-02-03 17:48:52 +02:00
zlib_inflate [ZLIB]: Fix external builds of zlib_inflate code. 2007-10-11 22:17:20 -07:00
.gitignore
argv_split.c LIB: Replace inappropriate include of <linux/bug.h> 2007-10-20 00:26:10 +02:00
audit.c [PATCH] audit signal recipients 2007-05-11 05:38:25 -04:00
bcd.c rtc: BCD codeshrink 2008-07-24 10:47:33 -07:00
bitmap.c Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb 2008-10-23 08:20:34 -07:00
bitrev.c lib: export bitrev16 2008-06-06 11:29:10 -07:00
bug.c lib: taint kernel in common report_bug() WARN path. 2008-07-04 10:40:05 -07:00
bust_spinlocks.c handle recursive calls to bust_spinlocks() 2007-10-17 08:42:56 -07:00
check_signature.c uninline check_signature() 2007-07-16 09:05:50 -07:00
cmdline.c generic, memparse(): constify argument 2008-07-28 15:05:23 +02:00
cpumask.c cpumask: introduce new API, without changing anything, v3 2008-11-09 21:09:54 +01:00
crc-ccitt.c [PATCH] kernel-doc for lib/crc*.c 2006-06-25 10:01:20 -07:00
crc-itu-t.c CRC ITU-T V.41 2007-05-10 18:24:13 +02:00
crc-t10dif.c [SCSI] lib: Add support for the T10 (SCSI) Data Integrity Field CRC 2008-07-12 08:22:32 -05:00
crc7.c CRC7 support 2007-07-17 10:23:04 -07:00
crc16.c [PATCH] kernel-doc for lib/crc*.c 2006-06-25 10:01:20 -07:00
crc32.c lib/: Spelling fixes 2008-02-03 17:48:52 +02:00
crc32defs.h
ctype.c
debug_locks.c debug_locks: set oops_in_progress if we will log messages. 2008-08-01 10:46:43 +02:00
debugobjects.c debugobjects: fix lockdep warning 2008-09-01 09:47:16 +02:00
dec_and_lock.c
devres.c [POWERPC] devres: Add devm_ioremap_prot() 2008-05-05 16:47:14 +10:00
div64.c add an inlined version of iter_div_u64_rem 2008-06-12 10:47:58 +02:00
dump_stack.c
dynamic_printk.c Driver core: fix 'dynamic_debug' cmd line parameter 2008-10-29 15:03:50 -07:00
extable.c lib/extable.c: remove an expensive integer divide in search_extable() 2008-02-06 10:41:08 -08:00
fault-inject.c libfs: allow error return from simple attributes 2008-02-08 09:22:34 -08:00
find_next_bit.c bitops: remove "optimizations" 2008-04-29 08:11:16 -07:00
gen_crc32table.c
genalloc.c Slab allocators: Replace explicit zeroing with __GFP_ZERO 2007-07-17 10:23:02 -07:00
halfmd4.c
hexdump.c lib: create common ascii hex array 2008-05-14 19:11:14 -07:00
hweight.c remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
idr.c lib/idr.c: fix rcu related race with idr_find 2008-12-01 19:55:25 -08:00
inflate.c inflate: refactor inflate malloc code 2008-07-25 10:53:28 -07:00
int_sqrt.c
iomap.c Use WARN() in lib/ 2008-07-26 12:00:07 -07:00
iomap_copy.c [PATCH] add __iowrite64_copy 2006-06-20 20:24:58 -07:00
iommu-helper.c introduce generic iommu_num_pages function 2008-10-16 11:21:33 -07:00
ioremap.c lib/ioremap.c should #include <linux/io.h> 2007-10-17 08:42:50 -07:00
irq_regs.c [PATCH] irq_reqs: export __irq_regs 2006-10-06 08:53:40 -07:00
kasprintf.c lib: move kasprintf to a separate file 2007-07-31 15:39:39 -07:00
Kconfig Kconfig: eliminate "def_bool n" constructs 2008-10-16 11:21:31 -07:00
Kconfig.debug block: add BIG FAT WARNING to CONFIG_DEBUG_BLOCK_EXT_DEVT 2008-10-17 08:46:56 +02:00
Kconfig.kgdb kgdb: remove the requirement for CONFIG_FRAME_POINTER 2008-08-01 08:39:34 -05:00
kernel_lock.c BKL: revert back to the old spinlock implementation 2008-05-10 20:58:02 -07:00
klist.c klist: don't iterate over deleted entries 2008-10-09 08:56:04 +02:00
kobject.c kobject: Cleanup kobject_rename and !CONFIG_SYSFS 2008-10-16 09:24:52 -07:00
kobject_uevent.c Use WARN() in lib/ 2008-07-26 12:00:07 -07:00
kref.c kref: add kref_set() 2008-01-24 20:40:05 -08:00
libcrc32c.c [LIB] crc32c: Keep intermediate crc state in cpu order 2007-11-08 21:34:09 +08:00
list_debug.c list debugging: use WARN() instead of BUG() 2008-07-25 10:53:29 -07:00
lmb.c lmb: Fix reserved region handling in lmb_enforce_memory_limit(). 2008-08-15 19:57:57 -07:00
locking-selftest-hardirq.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-mutex.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-rlock-hardirq.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-rlock-softirq.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-rlock.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-rsem.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-softirq.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-spin-hardirq.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-spin-softirq.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-spin.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-wlock-hardirq.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-wlock-softirq.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-wlock.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest-wsem.h [PATCH] lockdep: locking API self tests 2006-07-03 15:27:03 -07:00
locking-selftest.c [PATCH] lockdep: show more details about self-test failures 2006-12-07 08:39:43 -08:00
Makefile ftrace: rename FTRACE to FUNCTION_TRACER 2008-10-20 18:27:03 +02:00
parser.c vfs: Use const for kernel parser table 2008-10-13 10:10:37 -07:00
percpu_counter.c percpu counter: clean up percpu_counter_sum_and_set() 2008-10-09 12:50:59 -04:00
plist.c Use WARN() in lib/ 2008-07-26 12:00:07 -07:00
prio_heap.c Fix cpusets update_cpumask 2007-10-19 11:53:41 -07:00
prio_tree.c
proportions.c mm: bdi: allow setting a maximum for the bdi dirty limit 2008-04-30 08:29:50 -07:00
radix-tree.c SL*B: drop kmem cache argument from constructor 2008-07-26 12:00:07 -07:00
random32.c random32: seeding improvement 2008-07-30 16:29:19 -07:00
ratelimit.c __ratelimit() cpu flags can't be static 2008-07-28 16:30:20 -07:00
rbtree.c [PATCH] rbtree: fixed reversed RB_EMPTY_NODE and rb_next/prev 2006-09-30 20:26:56 +02:00
reciprocal_div.c [PATCH] SLAB: use a multiply instead of a divide in obj_to_index() 2006-12-13 09:05:49 -08:00
rwsem-spinlock.c lib: remove fastcall from lib/* 2008-02-08 09:22:31 -08:00
rwsem.c x86: fix UML and -regparm=3 2008-01-30 13:33:00 +01:00
scatterlist.c lib/scatterlist.c: fix kunmap() argument in sg_miter_stop() 2008-11-19 18:49:58 -08:00
sha1.c [PATCH] Numerous fixes to kernel-doc info in source files. 2007-02-11 10:51:32 -08:00
show_mem.c lib: generic show_mem() 2008-07-26 12:00:10 -07:00
smp_processor_id.c cpumask: change cpumask_of_cpu_ptr to use new cpumask_of_cpu 2008-07-26 16:40:33 +02:00
sort.c lib/sort.c optimization 2007-10-17 08:42:52 -07:00
spinlock_debug.c Use helpers to obtain task pid in printks 2007-10-19 11:53:43 -07:00
string.c Add a new sysfs_streq() string comparison function 2008-05-01 08:03:59 -07:00
string_helpers.c [SCSI] lib: string_get_size(): don't hang on zero; no decimals on exact 2008-10-23 11:42:20 -05:00
swiotlb.c swiotlb: use coherent_dma_mask in alloc_coherent 2008-11-17 09:12:02 +01:00
syscall.c task_current_syscall 2008-07-26 12:00:10 -07:00
textsearch.c remove CONFIG_KMOD from lib 2008-07-22 19:24:31 +10:00
ts_bm.c textsearch: ts_bm: support case insensitive searching in Boyer-Moore algorithm 2008-07-08 02:37:54 -07:00
ts_fsm.c textsearch: ts_fsm: return error on request for case insensitive search 2008-07-08 02:38:27 -07:00
ts_kmp.c textsearch: ts_kmp: support case insensitive searching in Knuth-Morris-Pratt algorithm 2008-07-08 02:38:09 -07:00
vsprintf.c Implement %pR to print struct resource content 2008-10-20 09:12:32 -07:00