linux-kernel - Re: [PATCH 2/3] x86_64: check MSR to get MMCONFIG for AMD Family 10h Opteron

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Message-ID: <478CD46D.5080104@zytor.com>
Date:	Tue, 15 Jan 2008 10:42:37 -0500
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <Yinghai.Lu@....COM>
CC:	Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>, Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] x86_64: check MSR to get MMCONFIG for AMD Family
 10h Opteron

Yinghai Lu wrote:
> +
> +	address = 0xc0010058;
> +	if (rdmsr_safe(address, &low, &high))
> +		return NULL;
> +

NAK.  Add the symbolic MSR name to asm-x86/msr-index.h and use the 
symbolic name in the code, please.

	-hpa
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