[FUG-BR] HT

[William Armstrong]

se vc nao deseja utilizar HT no seu micro tente desativar o suporte a
HT na bios  acredito que desativando isso o FBSD  nao deve mais
enxergar o CPU virtual do HT .




2006/2/8, Rainer Alves <rainer.alves em gmail.com>:
> Welington F.J wrote:
> ...
> > Parece q o cpu1 não sendo usado, isso começou acontecer depois que
> > atualizer de 5.4 para 5.5-PRERELEASE. Processador Xeon 3.0 HT
> ...
>
> # sysctl machdep.hyperthreading_allowed=1
>
> "Because of an information disclosure vulnerability on processors using
> Hyper-Threading Technology (HTT), the machdep.hyperthreading_allowed
> sysctl variable has been added. It defaults to 1 (HTT enabled) on
> FreeBSD CURRENT, and 0 (HTT disabled) on the 4-STABLE and 5-STABLE
> development branches and supported security fix branches. More
> information can be found in security advisory FreeBSD-SA-05:09.htt."
>
> --
> Rainer Alves
>
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> freebsd em fug.com.br
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>


--
-=-=-=-=-=-=-=-=-=-
William David Armstrong
Bio Systems Security.
ICQ 10253747 MSN biosystems ]at[ gmail . com
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