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: NH. 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
Showing
想要评论请 注册 或 登录