linux-kernel - Re: [RFC 3/6] x86, NMI, Rename memory parity error to PCI SERR error

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Message-ID: <20100913010248.GH21909@erda.amd.com>
Date:	Mon, 13 Sep 2010 03:02:49 +0200
From:	Robert Richter <robert.richter@....com>
To:	Huang Ying <ying.huang@...el.com>
CC:	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: [RFC 3/6] x86, NMI, Rename memory parity error to PCI SERR
 error

On 09.09.10 22:51:02, Huang Ying wrote:
> memory parity error is only valid for IBM PC-AT, newer machine use 7
> bit (0x80) of 0x61 port for PCI SERR. While memory error is usually
> reported via MCE. So corresponding function name and kernel log string
> is changed.
> 
> Signed-off-by: Huang Ying <ying.huang@...el.com>
> ---
>  arch/x86/include/asm/mach_traps.h |    6 +++---
>  arch/x86/kernel/traps.c           |   24 ++++++------------------
>  2 files changed, 9 insertions(+), 21 deletions(-)
> 
> --- a/arch/x86/include/asm/mach_traps.h
> +++ b/arch/x86/include/asm/mach_traps.h
> @@ -9,11 +9,11 @@
>  
>  #define NMI_REASON_PORT		0x61
>  
> -#define NMI_REASON_MEMPAR	0x80
> +#define NMI_REASON_SERR		0x80
>  #define NMI_REASON_IOCHK	0x40
> -#define NMI_REASON_MASK		(NMI_REASON_MEMPAR | NMI_REASON_IOCHK)
> +#define NMI_REASON_MASK		(NMI_REASON_SERR | NMI_REASON_IOCHK)
>  
> -#define NMI_REASON_CLEAR_MEMPAR	0x04
> +#define NMI_REASON_CLEAR_SERR	0x04
>  #define NMI_REASON_CLEAR_IOCHK	0x08
>  #define NMI_REASON_CLEAR_MASK	0x0f

Haven't you introduced *_MEMPAR with patch 1/6?

-Robert

-- 
Advanced Micro Devices, Inc.
Operating System Research Center

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