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x86: always enable irqs when entering idle

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This matches x86_64 behaviour, which is a superior one IMHO

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Glauber de Oliveira Costa 2008-03-19 14:25:06 -03:00 committed by Ingo Molnar
parent 1d89a7f072
commit 3b22ec7b13
1 changed files with 7 additions and 2 deletions
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9
arch/x86/kernel/process_32.c
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@ -127,6 +127,7 @@ void default_idle(void)
local_irq_enable(); local_irq_enable();
current_thread_info()->status |= TS_POLLING; current_thread_info()->status |= TS_POLLING;
} else { } else {
local_irq_enable();
/* loop is done by the caller */ /* loop is done by the caller */
cpu_relax(); cpu_relax();
} }
@ -142,6 +143,7 @@ EXPORT_SYMBOL(default_idle);
*/ */
static void poll_idle(void) static void poll_idle(void)
{ {
local_irq_enable();
cpu_relax(); cpu_relax();
} }
@ -248,8 +250,11 @@ void mwait_idle_with_hints(unsigned long ax, unsigned long cx)
__monitor((void *)&current_thread_info()->flags, 0, 0); __monitor((void *)&current_thread_info()->flags, 0, 0);
smp_mb(); smp_mb();
if (!need_resched()) if (!need_resched())
__mwait(ax, cx); __sti_mwait(ax, cx);
} else
local_irq_enable();
} else
local_irq_enable();
} }
/* Default MONITOR/MWAIT with no hints, used for default C1 state */ /* Default MONITOR/MWAIT with no hints, used for default C1 state */