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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Lukas Hejtmanek <xhejtman@ics.muni.cz>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	Marcin Slusarz <marcin.slusarz@gmail.com>,
	linux-kernel@vger.kernel.org,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: Bootup time regression from 2.6.27 to 2.6.28-rc3+
Date: Sun, 9 Nov 2008 12:39:50 -0800 (PST)	[thread overview]
Message-ID: <alpine.LFD.2.00.0811091237110.3468@nehalem.linux-foundation.org> (raw)
In-Reply-To: <20081109122835.10f410fa@infradead.org>



On Sun, 9 Nov 2008, Arjan van de Ven wrote:
> 
> for me, the plan is that we need to get Thomas' fixes tested by someone
> who can reproduce this very reliably. If they fix it, great.
> If they don't, time is running out and we need to remove the feature
> for 2.6.28 (that is 1 line of change), realizing that this just papers
> over stuff and isn't a real fix, and get back to it for 2.6.29.

I'd like to see the one-liner fix, even if it turns out to just be a 
workaround that hides the issue and makes us go back to 2.6.27 behaviour. 
I'm about to release -rc4 today, we should be aggressive about 
regressions.

If somebody can test the "real fix" independently, that's obviously fine, 
but it's not an excuse for keeping a pending regression. If people end up 
being 100% sure they found the bug later, we can then re-enable it, but 
again - that has zero bearing on the fact that we should get rid of the 
regression asap.

			Linus

  parent reply	other threads:[~2008-11-09 20:40 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-04 17:33 Bootup time regression from 2.6.27 to 2.6.28-rc3+ Lukas Hejtmanek
2008-11-09  0:06 ` Rafael J. Wysocki
2008-11-09  4:55   ` Arjan van de Ven
2008-11-09  8:56     ` Lukas Hejtmanek
2008-11-09 10:52       ` Marcin Slusarz
2008-11-09 11:33         ` Lukas Hejtmanek
2008-11-09 13:24           ` Rafael J. Wysocki
2008-11-09 20:09             ` Lukas Hejtmanek
2008-11-09 20:28               ` Arjan van de Ven
2008-11-09 20:34                 ` Lukas Hejtmanek
2008-11-09 21:24                   ` Arjan van de Ven
2008-11-09 21:38                     ` Lukas Hejtmanek
2008-11-09 21:43                     ` Lukas Hejtmanek
2008-11-09 21:57                       ` Thomas Gleixner
2008-11-10  8:12                         ` Lukas Hejtmanek
2008-11-10 12:16                         ` Lukas Hejtmanek
2008-11-09 21:56                     ` Thomas Gleixner
2008-11-09 22:46                       ` Bernhard Schmidt
2008-11-09 22:53                       ` Frans Pop
2008-11-14  1:45                       ` Frans Pop
2008-11-15 17:16                         ` Frans Pop
2008-11-15 18:04                           ` Arjan van de Ven
2008-11-16 19:27                         ` [2.6.28-rc5] TSC sync error and high hrtimer_start (was: Bootup time regression from 2.6.27 to 2.6.28-rc3+) Frans Pop
2008-11-17  2:18                           ` Frans Pop
2008-11-10 13:45                     ` Bootup time regression from 2.6.27 to 2.6.28-rc3+ Yves-Alexis Perez
2008-11-11 17:33                       ` Len Brown
2008-11-09 20:39                 ` Linus Torvalds [this message]
2008-11-09 20:48                   ` Arjan van de Ven
2008-11-09 14:20       ` Frans Pop
2008-11-09 15:14         ` Lukas Hejtmanek

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