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From: Naoya Horiguchi <nao.horiguchi@gmail.com>
To: Chen Yucong <slaoub@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Subject: Re: [PATCH] memory failure: replace 'MCE' with 'Memory failure'
Date: Tue, 12 Apr 2016 08:13:19 +0900	[thread overview]
Message-ID: <20160411231316.GA13627@www9186uo.sakura.ne.jp> (raw)
In-Reply-To: <1460122875-4635-1-git-send-email-slaoub@gmail.com>

On Fri, Apr 08, 2016 at 09:41:15PM +0800, Chen Yucong wrote:
> HWPoison was specific to some particular x86 platforms.
> And it is often seen as high level machine check handler.
> And therefore, 'MCE' is used for the format prefix of
> printk(). However, 'PowerNV' has also used HWPoison for
> handling memory errors[1], so 'MCE' is no longer suitable
> to memory_failure.c.
> 
> Additionally, 'MCE' and 'Memory failure' have different
> context. The former belongs to exception context and the
> latter belongs to process context. Furthermore, HWPoison
> can also be used for off-lining those sub-health pages
> that do not trigger any machine check exception.
> 
> This patch aims to replace 'MCE' with a more appropriate prefix.
> 
> [1] commit 75eb3d9b60c2 ("powerpc/powernv: Get FSP memory errors
> and plumb into memory poison infrastructure.")
> 
> Signed-off-by: Chen Yucong <slaoub@gmail.com>

Fair enough, thank you.

Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

WARNING: multiple messages have this Message-ID (diff)
From: Naoya Horiguchi <nao.horiguchi@gmail.com>
To: Chen Yucong <slaoub@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Subject: Re: [PATCH] memory failure: replace 'MCE' with 'Memory failure'
Date: Tue, 12 Apr 2016 08:13:19 +0900	[thread overview]
Message-ID: <20160411231316.GA13627@www9186uo.sakura.ne.jp> (raw)
In-Reply-To: <1460122875-4635-1-git-send-email-slaoub@gmail.com>

On Fri, Apr 08, 2016 at 09:41:15PM +0800, Chen Yucong wrote:
> HWPoison was specific to some particular x86 platforms.
> And it is often seen as high level machine check handler.
> And therefore, 'MCE' is used for the format prefix of
> printk(). However, 'PowerNV' has also used HWPoison for
> handling memory errors[1], so 'MCE' is no longer suitable
> to memory_failure.c.
> 
> Additionally, 'MCE' and 'Memory failure' have different
> context. The former belongs to exception context and the
> latter belongs to process context. Furthermore, HWPoison
> can also be used for off-lining those sub-health pages
> that do not trigger any machine check exception.
> 
> This patch aims to replace 'MCE' with a more appropriate prefix.
> 
> [1] commit 75eb3d9b60c2 ("powerpc/powernv: Get FSP memory errors
> and plumb into memory poison infrastructure.")
> 
> Signed-off-by: Chen Yucong <slaoub@gmail.com>

Fair enough, thank you.

Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>

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  reply	other threads:[~2016-04-11 23:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-08 13:41 [PATCH] memory failure: replace 'MCE' with 'Memory failure' Chen Yucong
2016-04-08 13:41 ` Chen Yucong
2016-04-11 23:13 ` Naoya Horiguchi [this message]
2016-04-11 23:13   ` Naoya Horiguchi

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