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authorGlauber de Oliveira Costa <gcosta@redhat.com>2008-03-19 14:25:06 -0300
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:00 +0200
commit3b22ec7b13cb31e0d87fbc0aabe14caaaad309e8 (patch)
tree9a68b5a0a8d7b63d5773f61c27237f7d1f2290ec /arch/x86/kernel/process_32.c
parent1d89a7f072d4f76f0538edfb474d527066ee7838 (diff)
x86: always enable irqs when entering idle
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>
Diffstat (limited to 'arch/x86/kernel/process_32.c')
-rw-r--r--arch/x86/kernel/process_32.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index ec05fb750df..08c41ed5e80 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -127,6 +127,7 @@ void default_idle(void)
local_irq_enable();
current_thread_info()->status |= TS_POLLING;
} else {
+ local_irq_enable();
/* loop is done by the caller */
cpu_relax();
}
@@ -142,6 +143,7 @@ EXPORT_SYMBOL(default_idle);
*/
static void poll_idle(void)
{
+ local_irq_enable();
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);
smp_mb();
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 */