Re: [PATCH] don't use ld.bias

From: David Mosberger <davidm_at_napali.hpl.hp.com>
Date: 2003-07-25 11:10:13
>>>>> 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
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Received on Thu Jul 24 21:10:32 2003

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