Date: Sat, 18 Aug 2001 17:29:58 -0700 From: Kris Kennaway <kris@obsecurity.org> To: Mike Smith <msmith@FreeBSD.ORG> Cc: Kris Kennaway <kris@obsecurity.org>, Kenneth W Cochran <kwc@world.std.com>, freebsd-stable@FreeBSD.ORG Subject: Re: New kernel option CPU_ENABLE_SSE Message-ID: <20010818172958.A75626@xor.obsecurity.org> In-Reply-To: <200108182151.f7ILp0S01985@mass.dis.org>; from msmith@FreeBSD.ORG on Sat, Aug 18, 2001 at 02:51:00PM -0700 References: <20010816142844.C79242@xor.obsecurity.org> <200108182151.f7ILp0S01985@mass.dis.org>
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[-- Attachment #1 --] On Sat, Aug 18, 2001 at 02:51:00PM -0700, Mike Smith wrote: > > > > --R+My9LyyhiUvIEro > > Content-Type: text/plain; charset=us-ascii > > Content-Disposition: inline > > > > On Thu, Aug 16, 2001 at 04:20:35PM -0400, Kenneth W Cochran wrote: > > > > > Assuming CPU_ENABLE_SSE is a Good Thing, why not make it > > > "default" with the "cpu I686_CPU" kernel config directive > > > (similar to F00F_HACK auto-include with I586_CPU)? > > > > Because not all i686'es support SSE. > > So detect it automatically based on the CPU feature bits. > > Needing a kernel compile option for this is unforgivably lame. If you > want to be able to disable it, use a tunable. No arguments there.. Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iD8DBQE7fwiFWry0BWjoQKURArn7AJsFUBjRPGOZ5le5xzNrrngi5g7NfwCeNO+x KKcUg7YlQ//3oLPPkDA2VKM= =+ZF+ -----END PGP SIGNATURE-----
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