Re: [PATCH] timekeeping: drop irq-context clocksource polling

[Andrew Morton]

On Thu, 05 Apr 2007 14:03:16 -0700 Daniel Walker <dwalker@xxxxxxxxxx> wrote:

> Before this change the timekeeping code would poll the clocksource
> list every interrupt. This changes that so the clocksource list is
> only checked when there has been and update, and no longer checks
> in interrupt context.

I get a complete lockup on i386 SMP - before the kernel has printed anything.

I'm suspecting a recursive taking of xtime_lock.
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