linux-kernel - Re: [PATCH RT 3/6] rt: Make cpu_chill() use hrtimer instead of msleep()

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Date:	Fri, 07 Mar 2014 16:23:10 +0100
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	linux-kernel@...r.kernel.org,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Carsten Emde <C.Emde@...dl.org>,
	John Kacur <jkacur@...hat.com>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	stable-rt@...r.kernel.org
Subject: Re: [PATCH RT 3/6] rt: Make cpu_chill() use hrtimer instead of msleep()

On 03/07/2014 03:52 PM, Steven Rostedt wrote:
>> Now that you posted "cpu_chill: Add a UNINTERRUPTIBLE
>> hrtimer_nanosleep" wouldn't it make sense to delay this patches from
>> the stable series until we get them all in one go?
> 
> Sure, say this on the day I'm about to release ;-)

Haven't noticed that earlier.

> Nah, I'll release these today anyway. Otherwise I can't update to the
> mainline stables. When the rc candidates are out, it holds up any new
> updates to the versions.
> 
> Also, the stable 3.10 has this bug already. Might as well update all
> the stables with the same fix. It makes it easier on my side, as the
> way I do the updates is to use the same quilt queue for all releases. I
> start with 3.10, and get them working, and then apply the same queue to
> 3.8. Any conflicts in the patch I do a quilt fork, with a -v3.8
> appended, and then after getting that working I go to 3.4, and so on.
> This also lets me drop patches that are not applicable for earlier
> releases.
> 
> If I delay this for a new update, then 3.10 will be out of sync. I'm
> just going to release these, and then we can start a new one right away.

No worries. Do as it is easier for you.

> 
> Thanks!
> 
> -- Steve
> 
Sebastian
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