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author | Josh Poimboeuf <jpoimboe@redhat.com> | 2016-01-22 10:16:12 -0600 |
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committer | Ingo Molnar <mingo@kernel.org> | 2016-02-24 08:35:44 +0100 |
commit | cb7390fed4c04e609a420ac0b1c07a7a781b43bf (patch) | |
tree | 4f53190ec2dabb86f41151485ab5542e8c557145 /drivers/watchdog | |
parent | 1482a0825bdf82dab4074bd3c824f4c87cbdf848 (diff) | |
download | blackbird-obmc-linux-cb7390fed4c04e609a420ac0b1c07a7a781b43bf.tar.gz blackbird-obmc-linux-cb7390fed4c04e609a420ac0b1c07a7a781b43bf.zip |
x86/kvm: Make test_cc() always inline
With some configs (including allyesconfig), gcc doesn't inline
test_cc(). When that happens, test_cc() doesn't create a stack frame
before inserting the inline asm call instruction. This breaks frame
pointer convention if CONFIG_FRAME_POINTER is enabled and can result in
a bad stack trace.
Force it to always be inlined so that its containing function's stack
frame can be used.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@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: Gleb Natapov <gleb@kernel.org>
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: kvm@vger.kernel.org
Cc: live-patching@vger.kernel.org
Link: http://lkml.kernel.org/r/20160122161612.GE20502@treble.redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/watchdog')
0 files changed, 0 insertions, 0 deletions