Re: [PATCH 2.6.14-rc1-git5] sched: disable preempt in idle tasks

[Nick Piggin]

Hi Shaohua,

Li, Shaohua wrote:

> What's the status of the patch? I didn't see it in base kernel.
> We found another bug related with this issue. On UP system, if a CPU
> enters 
> 'mwait_idle', it never leaves it, as the 'mwait_idle' loop will never
> end.
> Disabling preempt fixes the bug. Should I submit a patch just disabling
> preempt in 'mwait_idle' or wait for your patch?

The patch is in Andrew's tree, and it should get merged for 2.6.15.
If you have verified that disabling preempt in mwait_idle fixes the
bug, then you may like to send that to the 2.6.14.stable guys.

Thanks,
Nick

--
SUSE Labs, Novell Inc.

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