Re: [PATCH 0/6] 3.13-stable timekeeping fixes merged in 3.14

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* John Stultz <john.stultz@xxxxxxxxxx> wrote:

> On 01/23/2014 01:17 AM, Ingo Molnar wrote:
> > * John Stultz <john.stultz@xxxxxxxxxx> wrote:
> >
> >> Just wanted to send out a few timekeeping fixes that were merged
> >> in 3.14 which are appropriate for -stable.
> > No, they are not appropriate at all.
> >
> >> This queue backports the following fixes:
> >> -----------------------------------------
> >> f55c07607a38f84b5c7e6066ee1cfe433fa5643c	timekeeping: Fix lost updates to tai adjustment
> >> 5258d3f25c76f6ab86e9333abf97a55a877d3870	timekeeping: Fix potential lost pv notification of time change
> >> 6fdda9a9c5db367130cf32df5d6618d08b89f46a	timekeeping: Avoid possible deadlock from clock_was_set_delayed
> >> 04005f6011e3b504cd4d791d9769f7cb9a3b2eae	timekeeping: Fix CLOCK_TAI timer/nanosleep delays
> >> 330a1617b0a6268d427aa5922c94d082b1d3e96d	timekeeping: Fix missing timekeeping_update in suspend path
> >> d5a1c7e3fc38d9c7d629e1e47f32f863acbdec3d	rtc-cmos: Add an alarm disable quirk
> > These patches should have had Cc: stable in them and should have gone 
> > through timers/urgent!
> 
> They did have Cc: stable in them.

But they did not go through timers/urgent, did they?

> [...]
>
> I'd argue these were non-urgent fixes that should still be 
> backported to -stable.

No such thing exists really. Linus argued this repeatedly: if you 
think it's not urgent enough for current -git then it's doubly not 
urgent enough for -stable!

So my suggestion for the future: such fixes need to go to -git as 
well, even if they seem difficult and late. Merging via the merge 
window and then backporting is a generally harmful practice.

The fact that Greg is a soft hearted maintainer while Linus pushes 
back strongly, in Finnish if needed, does not make this approach 
right.

Anyway, it's water down the bridge, and I agree with you that the 
-stable backport is probably justified in this particular case, 
because the bugs fixed are serious enough: but it should be done after 
-rc1 or -rc2, and we should also make sure this flow of commits does 
not repeat in the future.

Thanks,

	Ingo
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