From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Mosberger <davidm@napali.hpl.hp.com>
Date: Thu, 13 Mar 2003 22:14:44 +0000
Subject: [Linux-ia64] Re: ia64_spinlock_contention and NEW_LOCK
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>>>>> On Fri, 14 Mar 2003 08:59:54 +1100, Keith Owens <kaos@sgi.com> said:

  Keith> All is not lost, there is one spare slot in spin_lock which
  Keith> can clear r29 (dummy ar.pfs) before entering
  Keith> ia64_spinlock_contention.

But that won't work for leaf routines as that would permanently
clobber pfs.

	--david