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Roland McGrath 7bb44adef3 recalc_sigpending_tsk fixes 
Steve Hawkes discovered a problem where recalc_sigpending_tsk was called in
do_sigaction but no signal_wake_up call was made, preventing later signals
from waking up blocked threads with TIF_SIGPENDING already set.

In fact, the few other calls to recalc_sigpending_tsk outside the signals
code are also subject to this problem in other race conditions.

This change makes recalc_sigpending_tsk private to the signals code.  It
changes the outside calls, as well as do_sigaction, to use the new
recalc_sigpending_and_wake instead.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: <Steve.Hawkes@motorola.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-05-23 20:14:12 -07:00
..
acpi acpi: fix potential call to a freed memory section. 2007-05-17 05:23:04 -07:00
asm-alpha alpha: fix hard_smp_processor_id compile error 2007-05-15 08:54:00 -07:00
asm-arm Merge master.kernel.org:/home/rmk/linux-2.6-arm 2007-05-21 10:00:22 -07:00
asm-arm26 Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
asm-avr32 [AVR32] Implement platform hooks for atmel_lcdfb driver 2007-05-15 14:13:27 +02:00
asm-blackfin Blackfin arch: Change NO_ACCESS_CHECK to ACCESS_CHECK 2007-05-21 09:50:23 -07:00
asm-cris Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
asm-frv Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
asm-generic kbuild: introduce __init_refok/__initdata_refok to supress section mismatch warnings 2007-05-19 09:11:58 +02:00
asm-h8300 h8300 atomic.h update 2007-05-15 08:54:00 -07:00
asm-i386 Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-ia64 [IA64] Fix bogus messages about system calls not implemented. 2007-05-18 14:15:58 -07:00
asm-m32r m32r: __xchg() should be always_inline 2007-05-15 18:56:37 -07:00
asm-m68k m68k: implement __clear_user() 2007-05-15 08:54:00 -07:00
asm-m68knommu Remove tas() 2007-05-08 11:15:20 -07:00
asm-mips Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-parisc Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-powerpc Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-ppc Merge branch 'linux-2.6' 2007-05-10 21:08:37 +10:00
asm-s390 [S390] Wire up signald, timerfd and eventfd syscalls. 2007-05-21 11:25:28 +02:00
asm-sh sh: Fix dreamcast build for IRQ changes. 2007-05-21 15:10:04 +09:00
asm-sh64 sh64: generic quicklist support. 2007-05-14 09:55:35 +09:00
asm-sparc [SPARC32]: asm/system.h needs asm/smp.h 2007-05-14 03:53:47 -07:00
asm-sparc64 [SPARC64]: Add hypervisor API negotiation and fix console bugs. 2007-05-15 20:23:02 -07:00
asm-um uml: iRQ stacks 2007-05-11 08:29:34 -07:00
asm-v850 Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
asm-x86_64 Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
asm-xtensa Consolidate asm/poll.h 2007-05-11 08:29:34 -07:00
crypto [CRYPTO] cryptd: Add software async crypto daemon 2007-05-02 14:38:32 +10:00
keys [AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both 2007-04-26 15:48:28 -07:00
linux recalc_sigpending_tsk fixes 2007-05-23 20:14:12 -07:00
math-emu Delete unused header file math-emu/extended.h 2007-05-08 11:15:05 -07:00
media V4L/DVB (5592): DMA: Correctly free resources on error, sync PCI streamed data 2007-05-09 10:12:42 -03:00
mtd UBI: Unsorted Block Images 2007-04-27 14:23:33 +03:00
net [NETFILTER]: nf_conntrack: Removes unused destroy operation of l3proto 2007-05-10 23:47:46 -07:00
pcmcia add new_id to PCMCIA drivers 2007-05-07 12:12:50 -07:00
rdma Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband 2007-05-21 16:19:32 -07:00
rxrpc [AF_RXRPC]: Delete the old RxRPC code. 2007-04-26 15:55:48 -07:00
scsi [SCSI] sas_scsi_host: Convert to use the kthread API 2007-05-06 09:33:17 -05:00
sound [ALSA] version 1.0.14rc4 2007-05-16 11:45:47 +02:00
video atmel_lcdfb: AT91/AT32 LCD Controller framebuffer driver 2007-05-11 08:29:37 -07:00
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