Re: Hyper-Threading Vulnerability

Dave Jones
2005-05-15T22:56:21Z

On Sun, May 15, 2005 at 05:10:59PM -0400, Lee Revell wrote:
> On Sun, 2005-05-15 at 22:48 +0200, Arjan van de Ven wrote:
> > On Sun, 2005-05-15 at 21:41 +0100, Alan Cox wrote:
> > > On Sul, 2005-05-15 at 08:30, Arjan van de Ven wrote:
> > > > stop entirely.... (and that is also happening more and more and linux is
> > > > getting more agressive idle support (eg no timer tick and such patches)
> > > > which will trigger bios thresholds for this even more too.
> > >
> > > Cyrix did TSC stop on halt a long long time ago, back when it was worth
> > > the power difference.
> >
> > With linux going to ACPI C2 mode more... tsc is defined to halt in C2...
>
> JACK doesn't care about any of this now, the behavior when you
> suspend/resume with a running jackd is undefined. Eventually we should
> handle it, but there's no point until the ALSA drivers get proper
> suspend/resume support.

suspend/resume are S states, not C states. C states are occuring
during runtime.

Dave