Re: [PATCH][5/8] Arch agnostic completely out of line locks / ppc64

From: Ingo Molnar
Date: Fri Sep 10 2004 - 07:24:46 EST



* William Lee Irwin III <wli@xxxxxxxxxxxxxx> wrote:

> * William Lee Irwin III <wli@xxxxxxxxxxxxxx> wrote:
> >> Well, there are patches that do this along with other more useful
> >> things in the works (my spin on this is en route shortly, sorry the
> >> response was delayed due to a power failure).
>
> On Fri, Sep 10, 2004 at 09:40:34AM +0200, Ingo Molnar wrote:
> > i already sent the full solution that primarily solves the SMP &&
> > PREEMPT latency problems but also solves the section issue, two days
> > ago:
> > http://lkml.org/lkml/2004/9/8/97
>
> When I noticed there was work to do along the lines of creating
> read_trylock() primitives I dropped the ->break_lock -less variant I
> had brewed up and directed Linus to your patch.

thanks - i just read that mail. I'd expect the preempt-smp patch to go
the normal route via touching -mm first.

Ingo
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