Re: [PATCH] x86: fix cpu MHz reporting for AMD family 0x11

From: Ingo Molnar
Date: Fri Jan 25 2008 - 07:42:31 EST



* Andreas Herrmann3 <andreas.herrmann3@xxxxxxx> wrote:

> Fix cpu MHz reporting for AMD family 0x11 when powernow-k8 is
> disabled.
>
> Just adhere to the CONSTANT_TSC feature bit for AMD CPUs when deciding
> whether cpu_khz needs calibration. The additional check for CPU family
> is not needed and prevents calibration for future CPUs.

> cpu_khz = tsc_khz;
> if (cpu_has(&boot_cpu_data, X86_FEATURE_CONSTANT_TSC) &&
> - boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
> - boot_cpu_data.x86 == 16)
> + (boot_cpu_data.x86_vendor == X86_VENDOR_AMD))
> cpu_khz = calculate_cpu_khz();

thanks Andreas, applied!

Ingo
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