linux-kernel - Re: Proposed stable release changes

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Message-ID: <20130821105459.0b392711@gandalf.local.home>
Date:	Wed, 21 Aug 2013 10:54:59 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Willy Tarreau <w@....eu>
Cc:	Josh Boyer <jwboyer@...oraproject.org>,
	Greg KH <gregkh@...uxfoundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	stable <stable@...r.kernel.org>, lwn@....net,
	Guenter Roeck <linux@...ck-us.net>,
	Hugh Dickins <hughd@...gle.com>,
	Johannes Berg <johannes@...solutions.net>,
	Borislav Petkov <bp@...en8.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Proposed stable release changes

On Wed, 21 Aug 2013 16:17:25 +0200
Willy Tarreau <w@....eu> wrote:

> This is also what I suspected though I have no data to confirm or deny that.
> If this happens to be the case, maybe then there should be some barrier such
> as :
>   - everything merged at -rc4 or before gets backported after the next -rc
>   - everything from -rc5 and upper waits for next -rc1 unless tagged urgent ?

No, I think a full -rc cycle would be good. All commits tagged for
stable that appeared in -rc4 (added from -rc3), must wait till -rc5
before it is added to stable. That way we have a week of full exposure
to find problems.

I guess the other question to ask is, how long does it take for a
problem to appear after hitting mainline? If a problem is found in -rc4
before -rc5 comes out, then this would be sufficient. But if the
problem from -rc4 isn't found till -rc6 then that tells us something
too.

We should be using pass data to determine these heuristics. But I don't
have that data, but Greg should.

-- Steve
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