* [PATCH] x86: process fam 10h like k8 with fixed mtrr setting
@ 2008-05-05 22:57 Yinghai Lu
2008-05-06 12:40 ` Ingo Molnar
2008-05-20 12:54 ` Pavel Machek
0 siblings, 2 replies; 4+ messages in thread
From: Yinghai Lu @ 2008-05-05 22:57 UTC (permalink / raw)
To: Ingo Molnar, H. Peter Anvin, Thomas Gleixner, Andrew Morton
Cc: linux-kernel@vger.kernel.org
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]);
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] x86: process fam 10h like k8 with fixed mtrr setting
2008-05-05 22:57 [PATCH] x86: process fam 10h like k8 with fixed mtrr setting Yinghai Lu
@ 2008-05-06 12:40 ` Ingo Molnar
2008-05-20 12:54 ` Pavel Machek
1 sibling, 0 replies; 4+ messages in thread
From: Ingo Molnar @ 2008-05-06 12:40 UTC (permalink / raw)
To: yhlu.kernel
Cc: H. Peter Anvin, Thomas Gleixner, Andrew Morton,
linux-kernel@vger.kernel.org
* Yinghai Lu <yhlu.kernel.send@gmail.com> wrote:
> otherwise fixed MTRR for family 10h may not be changed
applied, thanks.
Ingo
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] x86: process fam 10h like k8 with fixed mtrr setting
2008-05-05 22:57 [PATCH] x86: process fam 10h like k8 with fixed mtrr setting Yinghai Lu
2008-05-06 12:40 ` Ingo Molnar
@ 2008-05-20 12:54 ` Pavel Machek
2008-05-20 17:24 ` Yinghai Lu
1 sibling, 1 reply; 4+ messages in thread
From: Pavel Machek @ 2008-05-20 12:54 UTC (permalink / raw)
To: yhlu.kernel
Cc: Ingo Molnar, H. Peter Anvin, Thomas Gleixner, Andrew Morton,
linux-kernel@vger.kernel.org
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?
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] x86: process fam 10h like k8 with fixed mtrr setting
2008-05-20 12:54 ` Pavel Machek
@ 2008-05-20 17:24 ` Yinghai Lu
0 siblings, 0 replies; 4+ messages in thread
From: Yinghai Lu @ 2008-05-20 17:24 UTC (permalink / raw)
To: Pavel Machek
Cc: Ingo Molnar, H. Peter Anvin, Thomas Gleixner, Andrew Morton,
linux-kernel@vger.kernel.org
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
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2008-05-20 17:25 UTC | newest]
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2008-05-05 22:57 [PATCH] x86: process fam 10h like k8 with fixed mtrr setting Yinghai Lu
2008-05-06 12:40 ` Ingo Molnar
2008-05-20 12:54 ` Pavel Machek
2008-05-20 17:24 ` Yinghai Lu
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