Date: Fri, 19 Mar 2010 03:29:37 -0400 From: "b. f." <bf1783@googlemail.com> To: svn-src-head@freebsd.org Cc: delphij@FreeBSD.org Subject: Re: svn commit: r205307 - head/sys/i386/conf Message-ID: <d873d5be1003190029i4a449f1bnef9025dc7e442619@mail.gmail.com>
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>Author: delphij >Date: Fri Mar 19 01:16:53 2010 >New Revision: 205307 >URL: http://svn.freebsd.org/changeset/base/205307 > >Log: > SSE is enabled by default about 5 years ago so there is no point pretending > that we support I486 and I586 CPUs in the GENERIC kernel, users wants these > support would have to build a custom kernel to explicitly disable SSE > anyways. Could you please elaborate? I thought that, though a bit less efficient than using the non-default kernel option CPU_DISABLE_SSE for machines without SSE, there is still the tunable hw.instruction_sse that allows users with these machines to use GENERIC. Is this incorrect, or are there other problems for [45]86? Regards, b.
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