From: jbarnes@sgi.com (Jesse Barnes)
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH] don't use ld.bias
Date: Fri, 25 Jul 2003 13:40:07 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105914052618360@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105883179830025@msgid-missing>
On Thu, Jul 24, 2003 at 06:10:13PM -0700, David Mosberger wrote:
> >>>>> On Mon, 21 Jul 2003 16:55:59 -0700, jbarnes@sgi.com (Jesse Barnes) said:
>
> Jesse> Patch to fix spin_lock to not use ld.bias since it causes a
> Jesse> bunch of bus activity that hurts scalability when a lock is
> Jesse> contended.
>
> Yes, using ld.bias really was wrong there. However, instead of
> applying your patch, I dropped the old lock code (which was
> effectively dead code) and instead removed the .bias from the
> ia64_spinlock_contention() routine in head.S.
Even better. Thanks.
Jesse
prev parent reply other threads:[~2003-07-25 13:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-07-21 23:55 [PATCH] don't use ld.bias Jesse Barnes
2003-07-22 0:15 ` Chen, Kenneth W
2003-07-22 13:11 ` Jesse Barnes
2003-07-23 4:40 ` Mallick, Asit K
2003-07-23 12:00 ` Matthew Wilcox
2003-07-25 1:10 ` David Mosberger
2003-07-25 13:40 ` Jesse Barnes [this message]
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