Messages in this thread | | | Date | Wed, 8 May 2013 18:11:02 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH v4 0/6] sched: use runnable load based balance |
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On Tue, May 07, 2013 at 03:51:14PM +0800, Alex Shi wrote: > On 05/03/2013 03:55 PM, Alex Shi wrote: > > > >> That should probably look like: > >> > >> preempt_disable(); > >> raw_spin_unlock_irq(); > >> preempt_enable_no_resched(); > >> schedule(); > >> > >> Otherwise you might find a performance regression on PREEMPT=y kernels. > > > > Yes, right! > > Thanks a lot for reminder. The following patch will fix it. > >> > > Peter, would you like to pick this patch?
There's this huge series from walken that touches the same code.. I'll wait to see what happens with that.
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