Date: Tue, 15 Feb 2005 00:21:27 -0600 From: Alan Cox <alc@cs.rice.edu> To: John Baldwin <jhb@FreeBSD.org> Cc: cokane@cokane.org Subject: Re: cvs commit: src/sys/i386/i386 apic_vector.s local_apic.c mp_machdep.c src/sys/i386/include apicvar.h smp.h src/sys/i386/isa clock.c Message-ID: <20050215062127.GA27360@cs.rice.edu> In-Reply-To: <200502141630.56868.jhb@FreeBSD.org> References: <200502082025.j18KP72E069507@repoman.freebsd.org> <20050214001550.GA59689@dragon.nuxi.com> <346a802205021410425515fec@mail.gmail.com> <200502141630.56868.jhb@FreeBSD.org>
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On Mon, Feb 14, 2005 at 04:30:56PM -0500, John Baldwin wrote: > On Monday 14 February 2005 01:42 pm, Coleman Kane wrote: > > I've been testing these since they were posted. All is well thus far! > > I need perf numbers though. They should work fine, but I really don't know if > they will help or hurt performance. Also, the perf characteristics are > likely different on UP vs SMP. In regards to the changes to atomic.h, I'm curious why you didn't make the output of lfence and sfence conditional on SMP, like the output of the lock prefix is? Alan
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