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(parent: 7e98b71) | patch
x86, idle: Add memory barriers around clflush in mwait_play_dead()
authorH. Peter Anvin <hpa@linux.intel.com>
Thu, 19 Dec 2013 20:30:03 +0000 (12:30 -0800)
committerH. Peter Anvin <hpa@linux.intel.com>
Thu, 19 Dec 2013 20:30:03 +0000 (12:30 -0800)
commit7d590cca7cd2cce4ed7c47d221d6f90566653ba8
tree0100935f6b39020b26a2ea0b2dae66527a42e41ctree | snapshot (tar.gz zip)
parent7e98b71920464b8d15fa95c74366416cd3c88861commit | diff
x86, idle: Add memory barriers around clflush in mwait_play_dead()

For consistency with mwait_idle_with_hints().  Not sure they help, but
they really won't hurt...

Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Len Brown <len.brown@intel.com>
Link: http://lkml.kernel.org/r/CA%2B55aFzGxcML7j8CEvQPYzh0W81uVoAAVmGctMOUZ7CZ1yYd2A@mail.gmail.com
arch/x86/kernel/smpboot.c diff | blob | blame | history