Baruch Siach 54a702cb06 xtensa: don't use alternate signal stack on threads ...

commit cba9a90053 upstream.

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.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2013-11-13 12:05:33 +09:00

..

align.S

xtensa: clean up files to make them code-style compliant

2012-12-18 21:10:25 -08:00

asm-offsets.c

xtensa: add support for TLS

2013-02-23 19:35:57 -08:00

coprocessor.S

xtensa: clean up files to make them code-style compliant

2012-12-18 21:10:25 -08:00

entry.S

xtensa: disable IRQs while IRQ handler is running

2013-05-09 01:07:11 -07:00

head.S

xtensa: adjust boot parameters address when INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is selected

2013-07-25 14:07:42 -07:00

irq.c

xtensa: add device trees support

2012-12-18 21:10:23 -08:00

Makefile

xtensa: add stacktrace support

2013-05-09 01:07:10 -07:00

module.c

xtensa: clean up files to make them code-style compliant

2012-12-18 21:10:25 -08:00

pci-dma.c

xtensa: add missing symbol exports

2012-10-03 15:12:52 -07:00

pci.c

Merge tag 'xtensa-next-20121008' of git://github.com/czankel/xtensa-linux

2012-10-09 16:11:46 +09:00

platform.c

xtensa: provide default platform_pcibios_init implementation

2013-05-09 01:07:09 -07:00

process.c

xtensa: Use generic idle loop

2013-04-08 17:39:29 +02:00

ptrace.c

xtensa: add support for TLS

2013-02-23 19:35:57 -08:00

setup.c

xtensa: adjust boot parameters address when INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX is selected

2013-07-25 14:07:42 -07:00

signal.c

xtensa: don't use alternate signal stack on threads

2013-11-13 12:05:33 +09:00

stacktrace.c

xtensa: provide custom CALLER_ADDR* implementations

2013-05-09 01:07:10 -07:00

syscall.c

xtensa: avoid mmap cache aliasing

2013-02-23 19:12:53 -08:00

time.c

xtensa: add IRQ domains support

2012-12-18 21:10:23 -08:00

traps.c

Merge tag 'xtensa-next-20130508' of git://github.com/czankel/xtensa-linux

2013-05-09 14:38:16 -07:00

vectors.S

xtensa: disable IRQs while IRQ handler is running

2013-05-09 01:07:11 -07:00

vmlinux.lds.S

xtensa: add MMU v3 support

2013-05-09 01:07:09 -07:00

xtensa_ksyms.c

xtensa: fix oprofile building as module

2013-05-09 01:07:09 -07:00