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From: David Mosberger <davidm@napali.hpl.hp.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH] don't use ld.bias
Date: Fri, 25 Jul 2003 01:10:13 +0000	[thread overview]
Message-ID: <marc-linux-ia64-105909543217350@msgid-missing> (raw)
In-Reply-To: <marc-linux-ia64-105883179830025@msgid-missing>

>>>>> 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.

Thanks,

	--david

  parent reply	other threads:[~2003-07-25  1:10 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 [this message]
2003-07-25 13:40 ` Jesse Barnes

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