Re: [patch] x86, tsc: skip TSC synchronization checks for tsc=reliable

john stultz
2011-11-07T18:07:54Z

On Fri, 2011-11-04 at 15:42 -0700, Suresh Siddha wrote:
> tsc=reliable boot parameter is supposed to skip all the TSC stablility
> checks during boot time.
>
> On a 8-socket system where we want to run an experiment with the
> "tsc=reliable" boot option, TSC synchronization checks are not
> getting skipped and marking the TSC as not stable.
>
> Check for tsc_clocksource_reliable (which is set via tsc=reliable or
> for platforms supporting synthetic TSC_RELIABLE feature bit etc)
> and when set, skip the TSC synchronization tests during boot.
>
> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>

Looks like a nice cleanup of the tsc=reliable semantics.

Acked-by: John Stultz <johnstul@us.ibm.com>

thanks
-john