Re: [this_cpu_xx V5 19/19] SLUB: Experimental new fastpath w/ointerrupt disable

[Christoph Lameter]

On Wed, 7 Oct 2009, Peter Zijlstra wrote:

> On Wed, 2009-10-07 at 08:46 -0400, Mathieu Desnoyers wrote:
> > * local_irq_restore
> >   -> the interrupt line is low. The scheduler won't be called. There is
> >      no preempt_check_resched() call.
>
> That would be an issue with all irq disable sections, so I don't think
> this is actually true.

This was not true in the past... News to me that an irq enable would not
be a scheduling point.
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