Re: Hyper-Threading Vulnerability

[Adrian Bunk]

On Sat, May 14, 2005 at 01:56:36PM -0400, Lee Revell wrote:
> On Sat, 2005-05-14 at 18:44 +0200, Arjan van de Ven wrote:
> > then JACK is terminally broken if it doesn't have a fallback for non-
> > rdtsc cpus. 
> 
> It does have a fallback, but the selection is done at compile time.  It
> uses rdtsc for all x86 CPUs except pre-i586 SMP systems.
> 
> Maybe we should check at runtime, but this has always worked.

If this is critical for JACK, runtime selection was an improvement for 
distributions like Debian that support both pre-i586 SMP systems and 
current hardware.

> Lee

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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