Re: local_irq_save()

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On 4/24/07, Rajat Jain <rajat.noida.india@xxxxxxxxx> wrote:
On 4/24/07, pradeep singh <2500.pradeep@xxxxxxxxx> wrote:
> On 4/24/07, Rajat Jain <rajat.noida.india@xxxxxxxxx> wrote:
> > > > No, I meant disable_irq(), that disables the particular interrupt at
> > > > PIC level and hence disables it on all processors. My linux 2.6.19.2
> > > > contains plenty of these calls. This may be used by interrupt code to
> > > > handle SA_INTERRUPT (which states that this IRQ should be disabled on
> > > > all the CPUs).
> > > I am running 2.6.20.1 and i cannot find any invocations sadly.May be i
> > > missed drivers :-(.
> > > Will get back to you soon.
> > >
> > > IRC , I think SA_INTERRUPT FLAG has also changed.
> >
> > I am seeing in a kernel from mips-linux.org and not from a stock
> > kernel. Also yes, SA_INTERRUPT is on its way out, but the
> > functionality (disabling irqs on all CPUs) will be retained.
>
> Oh, maybe thats why.
> Anyway i can find just small invocations only and that too in PCMCIA
> drivers only. Looks like nobody likes them though :-)

http://lxr.linux.no/ident?i=disable_irq

Thanks. :-)
That helps a lot.



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