On Tue, Jun 10, 2003 at 10:14:52AM -0700, David S. Miller wrote: > From: Jeff Garzik <jgarzik@pobox.com> > Date: Tue, 10 Jun 2003 13:16:17 -0400 > > On Tue, Jun 10, 2003 at 10:02:09AM -0700, David S. Miller wrote: > > This means end users don't see the benefit, so I definitely > > prefer Andi's idea. > > Making every IO a conditional branch? Ug. > > A PIO costs hundreds if not thousands of instructions! > Come on Jeff, get real :-) MMIO isn't as bad as PIO, and the 'runtime choice' setup implies slowing down the MMIO path, too. Jeff - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html