提交 3b22ec7b 编写于 作者: G Glauber de Oliveira Costa 提交者: Ingo Molnar

x86: always enable irqs when entering idle

This matches x86_64 behaviour, which is a superior one IMHO
Signed-off-by: NGlauber Costa <gcosta@redhat.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 1d89a7f0
......@@ -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 */
......
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