From: Pavel Machek <pavel@ucw.cz>
To: yhlu.kernel@gmail.com
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] x86: process fam 10h like k8 with fixed mtrr setting
Date: Tue, 20 May 2008 14:54:44 +0200 [thread overview]
Message-ID: <20080520125443.GA4052@ucw.cz> (raw)
In-Reply-To: <200805051557.38556.yhlu.kernel@gmail.com>
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
next prev parent reply other threads:[~2008-05-20 12:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
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 [this message]
2008-05-20 17:24 ` Yinghai Lu
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