linux-kernel - Re: [Patch 0/2] Exclude hwpoison page from vmcore dump

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Message-ID: <50924FCD.2020100@hitachi.com>
Date:	Thu, 01 Nov 2012 19:32:45 +0900
From:	Mitsuhiro Tanino <mitsuhiro.tanino.gm@...achi.com>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	kexec@...ts.infradead.org, linux-kernel@...r.kernel.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [Patch 0/2] Exclude hwpoison page from vmcore dump

Hi Vivek,

(2012/10/31 23:14), Vivek Goyal wrote:
> If hwpoision functionality is not available in hardware, then respective
> bit will not be even set in struct page and it will be saved by default.
> So it should not matter whether hardware has hwpoision functionality
> or not.

Thanks, I understand.

> I think that removing hwpoisno pages by default makes sense. If somebody
> does have a reasonable case of not doing so, then we could either
> introduce anther filtering level (based on type) or add another command
> line option like (--no-hwposion-filtering) etc.

I agree with you.
If somebody requests to support for disabling the filter of hwpoison pages,
this option will be discussed.

Regards,
Mitshuhiro Tanino (mitsuhiro.tanino.gm@...achi.com)

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