linux-kernel - Re: [PATCH] x86-64: more fixes and cleanup to AMD Fam10 MMCONF enabling

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Message-ID: <4CD82195.6080905@zytor.com>
Date:	Mon, 08 Nov 2010 08:13:09 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jan Beulich <JBeulich@...ell.com>
CC:	mingo@...e.hu, tglx@...utronix.de, Yinghai Lu <yinghai@...nel.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86-64: more fixes and cleanup to AMD Fam10 MMCONF	 enabling

On 11/05/2010 03:59 AM, Jan Beulich wrote:
>  
> --- 2.6.37-rc1-x86_64-mmconf-fam10h.orig/arch/x86/kernel/mmconf-fam10h_64.c
> +++ 2.6.37-rc1-x86_64-mmconf-fam10h/arch/x86/kernel/mmconf-fam10h_64.c
> @@ -43,7 +43,7 @@ static int __cpuinit cmp_range(const voi
>  	return start1 - start2;
>  }
>  
> -#define UNIT (1ULL << (5 + 3 + 12))
> +#define UNIT (1ULL << FAM10H_MMIO_CONF_BASE_SHIFT)
>  #define MASK (~(UNIT - 1))
>  #define SIZE (UNIT << 8)

Could we avoid macros named UNIT, MASK, and SIZE at all?  I realize
they're already in the code, but still...

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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