Messages in this thread Patch in this message | | | Date | Fri, 25 Jan 2008 13:28:34 +0100 | From | "Andreas Herrmann3" <> | Subject | [PATCH] x86: fix cpu MHz reporting for AMD family 0x11 |
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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.
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
--- diff --git a/arch/x86/kernel/time_64.c b/arch/x86/kernel/time_64.c index 61b17f5..0380795 100644 --- a/arch/x86/kernel/time_64.c +++ b/arch/x86/kernel/time_64.c @@ -120,8 +120,7 @@ void __init time_init(void) 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(); if (unsynchronized_tsc())
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