Date: Thu, 08 Nov 2007 21:52:52 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Colin Percival <cperciva@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/amd64/amd64 mp_machdep.c src/sys/i386/i386 mp_machdep.c Message-ID: <47337724.9040108@FreeBSD.org> In-Reply-To: <200711081945.lA8JjKcW080540@repoman.freebsd.org> References: <200711081945.lA8JjKcW080540@repoman.freebsd.org>
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Colin Percival wrote: > cperciva 2007-11-08 19:45:20 UTC > > FreeBSD src repository > > Modified files: (Branch: RELENG_7) > sys/amd64/amd64 mp_machdep.c > sys/i386/i386 mp_machdep.c > Log: > Change the default for hyperthreading (or, generally speaking, cases > where the L1 cache is shared between CPUs) to disabled for security > reasons. As in earlier releases, this can be changed by setting > machdep.hyperthreading_allowed=1 in /boot/loader.conf. > > This is not an MFC -- no seatbelts in CURRENT. > > Approved by: re (kensmith) > Security: See FreeBSD-SA-05:09.htt for background material. > > Revision Changes Path > 1.287.2.1 +1 -1 src/sys/amd64/amd64/mp_machdep.c > 1.281.2.1 +1 -1 src/sys/i386/i386/mp_machdep.c > > What are you waiting for to happen in HEAD, and what work are you doing to expedite that? Kris
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