From mboxrd@z Thu Jan 1 00:00:00 1970 From: jbarnes@sgi.com (Jesse Barnes) Date: Fri, 25 Jul 2003 13:40:07 +0000 Subject: Re: [PATCH] don't use ld.bias Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org 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