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SubjectRe: [PATCH v2] x86: hpet: Don't default CONFIG_HPET_TIMER to be y for X86_64
Feng Tang wrote:
> On Fri, Mar 28, 2014 at 08:17:16AM +0100, Ingo Molnar wrote:
>> * Feng Tang <feng.tang@intel.com> wrote:
>> - or the kernel should have a quirk to reliably disable it. Why
>> should we crash or misbehave if a driver is built into the
>> kernel?
>
> I thought about this before, HPET doesn't have PCI ID like stuff,

HPET does have the PCI vendor ID in the first register.

> only thing I can think of to identify them may be the CPU family/ID.

The HPET is implemented by some actual chip, and that chip also has lots
of PCI devices. (In the case of a SoC, the CPU ID would work, too).


Regards,
Clemens


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