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

[Nick Piggin]

On Tuesday 29 July 2008 20:04, Peter Zijlstra wrote:
> 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.

Oh, well yes it already does work from irq-off, so it has already
realised its potential :)

Not sure exactly what kinds of users it is going to attract, but
it should be interesting to see!
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