Re: x86: Is there still value in having a special tlb flush IPIvector?

From: Peter Zijlstra
Date: Tue Jul 29 2008 - 06:05:01 EST


On Tue, 2008-07-29 at 20:00 +1000, Nick Piggin wrote:
> On Tuesday 29 July 2008 19:54, Peter Zijlstra wrote:
> > On Tue, 2008-07-29 at 14:30 +1000, Nick Piggin wrote:
> > > Not to mention the minor problem that it still deadlocks when called with
> > > interrupts disabled ;)
> >
> > __smp_call_function_single has potential though..
>
> For reschedule interrupt? I don't really agree.

Not specifically, for not deadlocking from irq-off, more so.

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