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linux/arch/xtensa/kernel
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Laurent MEYER d09042da72 [PATCH] fix incorrect SA_ONSTACK behaviour for 64-bit processes 
- When setting a sighandler using sigaction() call, if the flag
  SA_ONSTACK is set and no alternate stack is provided via sigaltstack(),
  the kernel still try to install the alternate stack.  This behavior is
  the opposite of the one which is documented in Single Unix Specifications
  V3.

- Also when setting an alternate stack using sigaltstack() with the flag
  SS_DISABLE, the kernel try to install the alternate stack on signal
  delivery.

These two use cases makes the process crash at signal delivery.

Signed-off-by: Laurent Meyer <meyerlau@fr.ibm.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: David Howells <dhowells@redhat.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Roman Zippel <zippel@linux-m68k.org>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-06-23 07:43:05 -07:00
..
align.S kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h support 2005-09-09 20:57:26 +02:00
asm-offsets.c [PATCH] xtensa: remove old syscalls 2005-07-12 16:01:01 -07:00
coprocessor.S [PATCH] xtensa: Architecture support for Tensilica Xtensa Part 3 2005-06-24 00:05:21 -07:00
entry.S [PATCH] xtensa: remove verify_area macros 2006-06-23 07:43:02 -07:00
head.S [PATCH] xtensa: Architecture support for Tensilica Xtensa Part 3 2005-06-24 00:05:21 -07:00
irq.c [PATCH] more for_each_cpu() conversions 2006-03-23 07:38:17 -08:00
Makefile [PATCH] xtensa: Architecture support for Tensilica Xtensa Part 3 2005-06-24 00:05:21 -07:00
module.c [PATCH] xtensa: Architecture support for Tensilica Xtensa Part 3 2005-06-24 00:05:21 -07:00
pci-dma.c [PATCH] gfp_t: dma-mapping (xtensa) 2005-10-28 08:16:49 -07:00
pci.c [PATCH] xtensa: remove io_remap_page_range and minor clean-ups 2005-09-22 22:17:37 -07:00
platform.c [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
process.c [PATCH] add missing pm_power_off's 2006-03-06 18:40:44 -08:00
ptrace.c [PATCH] xtensa: task_pt_regs(), task_stack_page() 2006-01-12 09:08:54 -08:00
semaphore.c [PATCH] xtensa: Architecture support for Tensilica Xtensa Part 3 2005-06-24 00:05:21 -07:00
setup.c [PATCH] xtensa: remove io_remap_page_range and minor clean-ups 2005-09-22 22:17:37 -07:00
signal.c [PATCH] fix incorrect SA_ONSTACK behaviour for 64-bit processes 2006-06-23 07:43:05 -07:00
syscalls.c [PATCH] xtensa: remove old syscalls 2005-07-12 16:01:01 -07:00
syscalls.h [PATCH] xtensa: remove old syscalls 2005-07-12 16:01:01 -07:00
time.c spelling: s/usefull/useful/ 2006-01-10 00:08:17 +01:00
traps.c [PATCH] xtensa: use ssleep() instead of schedule_timeout() 2005-07-12 16:01:01 -07:00
vectors.S kbuild: m68k,parisc,ppc,ppc64,s390,xtensa use generic asm-offsets.h support 2005-09-09 20:57:26 +02:00
vmlinux.lds.S [PATCH] xtensa: remove old syscalls 2005-07-12 16:01:01 -07:00
xtensa_ksyms.c [PATCH] No arch-specific strpbrk implementations 2006-04-11 06:18:40 -07:00