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x86: Fix idle consolidation fallout

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The core code expects the arch idle code to return with interrupts
enabled. The conversion missed two x86 cases which fail to do that.

Reported-and-tested-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Tested-by: Borislav Petkov <bp@alien8.de>
Link: http://lkml.kernel.org/r/alpine.LFD.2.02.1305021557030.3972@ionos
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2013-05-02 16:21:15 +02:00
parent 78d77df715
commit 97a5b81fa4
1 changed files with 2 additions and 3 deletions
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5
arch/x86/kernel/process.c
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@ -312,6 +312,8 @@ void arch_cpu_idle(void)
{
if (cpuidle_idle_call())
x86_idle();
else
local_irq_enable();
}
/*
@ -368,9 +370,6 @@ void amd_e400_remove_cpu(int cpu)
*/
static void amd_e400_idle(void)
{
if (need_resched())
return;
if (!amd_e400_c1e_detected) {
u32 lo, hi;