On Tue, 30 Apr 2013, Markus Trippelsdorf wrote:
> Just booted todays git tree and got the following warning:
>
> ------------[ cut here ]------------
> WARNING: at kernel/cpu/idle.c:96 cpu_startup_entry+0x14d/0x160()
> Hardware name: System Product Name
> Pid: 0, comm: swapper/2 Not tainted 3.9.0-03462-gab86e97-dirty #424
> Call Trace:
> smpboot: Booting Node 0, Processors #1 #2
> [<ffffffff8105b7c0>] ? warn_slowpath_common+0x60/0xa0
> [<ffffffff8108c26d>] ? cpu_startup_entry+0x14d/0x160
> ---[ end trace 40a24a5550891913 ]---
Fix below.
Thanks,
tglx
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 607af0d..e4cd638 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();
}
/*
--
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