Messages in this thread | | | Date | Thu, 27 Mar 2014 12:52:57 -0700 | From | Andy Lutomirski <> | Subject | Re: [PATCH] x86: hpet: Don't default CONFIG_HPET_TIMER to be y for X86_64 |
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On 03/27/2014 04:02 AM, Clemens Ladisch wrote: > Feng Tang wrote: >> On many new phone/tablet platforms like Baytrail/Merrifield etc, >> the HPET are either defeatured or has some problem to be used >> as a reliable timer. As these platforms also have X86_64, we >> should not make HPET_TIMER default y for all X86_64.
Wouldn't it be better to fix the hpet driver so that the hpet doesn't used on these platforms?
> > The help text still says: > | You can safely choose Y here. [...] > | Choose N to continue using the legacy 8254 timer. > > Are these statements still true for those platforms?
They aren't true for modern desktop and server platforms -- the TSC is used regardless of hpet availability.
> > > Regards, > Clemens >
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