cvs commit: src/sys/amd64/amd64 mp_machdep.c src/sys/i386/i386
kris at FreeBSD.org
Thu Nov 8 12:52:54 PST 2007
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
> 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?
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