linux-kernel - Re: vmcoreinfo: add the symbol "phys

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Message-ID: <m163ugawjj.fsf@frodo.ebiederm.org>
Date:	Thu, 17 Apr 2008 16:31:12 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Chris Wright <chrisw@...s-sol.org>
Cc:	linux-kernel@...r.kernel.org, stable@...nel.org, jejb@...nel.org,
	Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	"Theodore Ts'o" <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	Domenico Andreoli <cavokz@...il.com>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Kenichi Ohmichi <oomichi@....nes.nec.co.jp>,
	Vivek Goyal <vgoyal@...hat.com>
Subject: Re: vmcoreinfo: add the symbol "phys_base"

Chris Wright <chrisw@...s-sol.org> writes:

> * Eric W. Biederman (ebiederm@...ssion.com) wrote:
>> Chris Wright <chrisw@...s-sol.org> writes:
>> 
>> > -stable review patch.  If anyone has any objections, please let us know.
>> > ---------------------
>> 
>> This patch seems quite reasonable.  However as I read it, it is
>> a feature enhancement, that allows a user space tool to function
>> better.  Do we backport trivial features into stable now?
>
> Function better, meaning work reliably?  Sounds like a fix not a
> feature.

After you also upgrade user space, so it can use the additional
information allowing us to get better bug reports on kernels
built in an interesting fashion.

Essentially this patch widens our user space ABI very slightly.

I'm just being pedantic, and I don't oppose it.

Eric
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