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[PATCH] x86-64: Fix idle=poll

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x86_64 idle=poll might be a little less responsive than it should: unlike
mwait_idle, and unlike i386, its poll_idle left TIF_POLLING_NRFLAG set.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Hugh Dickins 2005-09-12 18:49:24 +02:00 committed by Linus Torvalds
parent e99b861a3e
commit b8f68e9ffa
1 changed files with 1 additions and 0 deletions
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arch/x86_64/kernel/process.c
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@ -123,6 +123,7 @@ static void poll_idle (void)
: : : :
"i" (_TIF_NEED_RESCHED), "i" (_TIF_NEED_RESCHED),
"m" (current_thread_info()->flags)); "m" (current_thread_info()->flags));
clear_thread_flag(TIF_POLLING_NRFLAG);
} else { } else {
set_need_resched(); set_need_resched();
} }