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    SubjectRe: [PATCH] local_irq_disable removal
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    On Sat, 2005-06-11 at 22:03 +0200, Ingo Molnar wrote:
    > * Esben Nielsen <simlo@phys.au.dk> wrote:
    >
    > > > the jury is still out on the accuracy of those numbers. The test had
    > > > RT_DEADLOCK_DETECT (and other -RT debugging features) turned on, which
    > > > mostly work with interrupts disabled. The other question is how were
    > > > interrupt response times measured.
    > > >
    > > You would accept a patch where I made this stuff optional?
    >
    > I'm not sure why. The soft-flag based local_irq_disable() should in fact
    > be a tiny bit faster than the cli based approach, on a fair number of
    > CPUs. But it should definitely not be slower in any measurable way.
    >

    Is there any such SMP concept as a local_preempt_disable() ?



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