linux-kernel - Re: [PATCH 4/6] x86, mce: Add mechanism to safely save information in MCE handler

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Message-ID: <4EEA8D43.8090506@jp.fujitsu.com>
Date:	Fri, 16 Dec 2011 09:13:55 +0900
From:	Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>
To:	Tony Luck <tony.luck@...el.com>
CC:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>,
	Borislav Petkov <bp@...64.org>,
	Chen Gong <gong.chen@...ux.intel.com>,
	"Huang, Ying" <ying.huang@...el.com>
Subject: Re: [PATCH 4/6] x86, mce: Add mechanism to safely save information
 in MCE handler

(2011/12/15 8:55), Tony Luck wrote:
> diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
> index 645070f..7d7303a 100644
> --- a/arch/x86/kernel/cpu/mcheck/mce.c
> +++ b/arch/x86/kernel/cpu/mcheck/mce.c
> @@ -887,6 +887,49 @@ static void mce_clear_state(unsigned long *toclear)
>  }
>  
>  /*
> + * Need to save faulting physical address associated with a process
> + * in the machine check handler some place where we can grab it back
> + * later in mce_notify_process()
> + */
> +#define	MAX_MCE_INFO	16

(nitpick) IMHO, I'd prefer MCE_INFO_MAX.

Thanks,
H.Seto

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