linux-stable/arch/xtensa
Baruch Siach cba9a90053 xtensa: don't use alternate signal stack on threads
According to create_thread(3): "The new thread does not inherit the creating
thread's alternate signal stack". Since commit f9a3879a (Fix sigaltstack
corruption among cloned threads), current->sas_ss_size is set to 0 for cloned
processes sharing VM with their parent. Don't use the (nonexistent) alternate
signal stack in this case. This has been broken since commit 29c4dfd9 ([XTENSA]
Remove non-rt signal handling).

Fixes the SA_ONSTACK part of the nptl/tst-cancel20 test from uClibc.

Cc: <stable@vger.kernel.org>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
2013-10-15 13:39:16 -07:00
..
boot xtensa: don't use echo -e needlessly 2013-09-06 09:48:29 -07:00
configs Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
include xtensa: remove CCOUNT_PER_JIFFY 2013-09-06 09:48:59 -07:00
kernel xtensa: don't use alternate signal stack on threads 2013-10-15 13:39:16 -07:00
lib xtensa: clean up files to make them code-style compliant 2012-12-18 21:10:25 -08:00
mm arch: mm: pass userspace fault flag to generic fault handler 2013-09-12 15:38:01 -07:00
oprofile xtensa: fix oprofile building as module 2013-05-09 01:07:09 -07:00
platforms xtensa: remove the second argument of __bio_kmap_atomic() 2013-07-08 01:23:15 -07:00
variants xtensa: consolidate ccount access routines 2013-07-08 01:11:37 -07:00
Kconfig Remove GENERIC_HARDIRQ config option 2013-09-13 15:09:52 +02:00
Kconfig.debug xtensa: check TLB sanity on return to userspace 2013-07-08 01:18:56 -07:00
Makefile xtensa: don't use echo -e needlessly 2013-09-06 09:48:29 -07:00