On Tue, May 20, 2008 at 5:54 AM, Pavel Machek <pavel@ucw.cz> wrote:
quoted text
> On Mon 2008-05-05 15:57:38, Yinghai Lu wrote:
>>
>> otherwise fixed MTRR for family 10h may not be changed
>>
>> Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
>>
>> Index: linux-2.6/arch/x86/kernel/cpu/mtrr/generic.c
>> ===================================================================
>> --- linux-2.6.orig/arch/x86/kernel/cpu/mtrr/generic.c
>> +++ linux-2.6/arch/x86/kernel/cpu/mtrr/generic.c
>> @@ -342,7 +342,7 @@ static void set_fixed_range(int msr, boo
>>
>>       if (lo != msrwords[0] || hi != msrwords[1]) {
>>               if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
>> -                 boot_cpu_data.x86 == 15 &&
>> +                 (boot_cpu_data.x86 >= 0x0f && boot_cpu_data.x86 <= 0x11) &&
>>                   ((msrwords[0] | msrwords[1]) & K8_MTRR_RDMEM_WRMEM_MASK))
>>                       k8_enable_fixed_iorrs();
>>               mtrr_wrmsr(msr, msrwords[0], msrwords[1]);
>
> This also changes family 0x11. Is that ok?

Yes.

YH
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