Messages in this thread | | | Date | Tue, 20 May 2008 10:24:36 -0700 | From | "Yinghai Lu" <> | Subject | Re: [PATCH] x86: process fam 10h like k8 with fixed mtrr setting |
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On Tue, May 20, 2008 at 5:54 AM, Pavel Machek <pavel@ucw.cz> wrote: > 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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