Date: Mon, 26 Sep 2005 09:04:31 -0700 From: "David O'Brien" <obrien@FreeBSD.org> To: Jung-uk Kim <jkim@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: [PATCH] AMD multicore detection Message-ID: <20050926160431.GA1649@dragon.NUXI.org> In-Reply-To: <200509211550.27524.jkim@FreeBSD.org> References: <200509211550.27524.jkim@FreeBSD.org>
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On Wed, Sep 21, 2005 at 03:50:24PM -0400, Jung-uk Kim wrote: > I renewed my multicore detection patch, which was originally posted > here: > > http://docs.freebsd.org/cgi/mid.cgi?200505181935.18493.jkim > http://docs.freebsd.org/cgi/mid.cgi?200505182007.28631.jkim > > New patch is here: > http://people.freebsd.org/~jkim/multicore.diff I've got something I'm working on for AMD dual-core. Please don't commit this. We work just fine on AMD dual-core. The patch to disable cores on Intel Hyperthreaded CPU's does not affect AMD dual-core in one bit. The author nicely took the different vendors into account. AMD sets the CPUID.HTT simply for licensing issues - something that does not affect FreeBSD at all. If there is something needed for Intel dual-core CPU's with HyperThreading to use the real cores, but not the virtual cores - then by all means please commit it. > Please test and let me know. I don't have multicore CPU to test it > for myself. :-( I do and am working on something. -- -- David (obrien@FreeBSD.org)
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