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    SubjectRe: [PATCH] LinuxPPS - definitive version
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    On Tue, 2007-07-24 at 16:20 +0200, Rodolfo Giometti wrote:
    > The problem is that we can have several PPS sources into a system and
    > all these sources will arise their IRQ line (quasi)simultaneously and
    > I don't wish a CPU may delay one of these IRQ handler due a spinlock
    > into the pps_event().
    >
    > That's why I'm trying to avoid any lock into pps_event().

    The spinlock really wouldn't be held for long. It really shouldn't be a
    problem, and it shouldn't hold up your timings at all. And presumably
    you'd have a _different_ spinlock for each source, so they wouldn't
    stomp on each other at all.

    --
    dwmw2

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