Re: 2.6.25-rc2-mm1 - boot hangs on ia64

From: Ingo Molnar
Date: Thu Feb 28 2008 - 14:33:35 EST



* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> > > I don't think we shoudl have added that hack in the first place.
> > > It solves a problem which about three developers hit four times in
> > > five years but it has made kernel logging less reliable for
> > > everyone.
> >
> > well, the problem was ia64, not a problem on x86 or other platforms.
>
> I am referring to the original change which made klogd wakeups
> unreliable.

oh, indeed - agreed - i missed the fact that is_locked check is sporadic
and can cause other CPUs to prevent the wakeup of klogd. I've zapped the
change.

Ingo
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