[Linux-ia64] Re: ia64_spinlock_contention and NEW_LOCK

David Mosberger
2003-03-13T22:14:44Z

>>>>> 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