watchdog/hpwdt: Create stack frame in asminline_call()
authorJosh Poimboeuf <jpoimboe@redhat.com>
Thu, 21 Jan 2016 22:49:31 +0000 (16:49 -0600)
committerIngo Molnar <mingo@kernel.org>
Wed, 24 Feb 2016 07:35:44 +0000 (08:35 +0100)
commit5c1d5f283a855a5fe6b4f122054d85072b97ae4a
tree066922e56973a1b3c7d8544536eff71954450437
parentcb7390fed4c04e609a420ac0b1c07a7a781b43bf
watchdog/hpwdt: Create stack frame in asminline_call()

asminline_call() is a callable non-leaf function which doesn't honor
CONFIG_FRAME_POINTER, which can result in bad stack traces.

Create a stack frame when CONFIG_FRAME_POINTER is enabled.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Bernd Petrovitsch <bernd@petrovitsch.priv.at>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Chris J Arges <chris.j.arges@canonical.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Marek <mmarek@suse.cz>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Pedro Alves <palves@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Wim Van Sebroeck <wim@iguana.be>
Cc: linux-watchdog@vger.kernel.org
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/60de3cfb6f16d413bfb923036cc87fec132df735.1453405861.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
drivers/watchdog/hpwdt.c