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| author | Thomas Gleixner <tglx@linutronix.de> | 2013-05-02 16:21:15 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-05-07 16:24:03 +0200 |
| commit | 97a5b81fa4d3a11dcdf224befc577f2e0abadc0b (patch) | |
| tree | b227ed9df482a0073b81711ebde8d54f6e11cda3 /arch/x86/kernel/process.c | |
| parent | 78d77df71510a96e042de7ba6dbd7998103642cb (diff) | |
| download | linux-stable-97a5b81fa4d3a11dcdf224befc577f2e0abadc0b.tar.gz linux-stable-97a5b81fa4d3a11dcdf224befc577f2e0abadc0b.tar.bz2 linux-stable-97a5b81fa4d3a11dcdf224befc577f2e0abadc0b.zip | |
x86: Fix idle consolidation fallout
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>
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 607af0d4d5ef..4e7a37ff03ab 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -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; |