linux-kernel - Re: [PATCH 4.9 000/102] 4.9.93-stable review

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Message-ID: <20180412122305.GA19236@kroah.com>
Date:   Thu, 12 Apr 2018 14:23:05 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Thierry Escande <thierry.escande@...aro.org>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net,
        shuahkh@....samsung.com, patches@...nelci.org,
        ben.hutchings@...ethink.co.uk, lkft-triage@...ts.linaro.org,
        stable@...r.kernel.org,
        Nicolas Dechesne <nicolas.dechesne@...aro.org>,
        Anibal Limon <anibal.limon@...aro.org>,
        Will Deacon <will.deacon@....com>
Subject: Re: [PATCH 4.9 000/102] 4.9.93-stable review

On Thu, Apr 12, 2018 at 02:17:50PM +0200, Thierry Escande wrote:
> Hi Greg,
> 
> On 07/04/2018 08:11, Greg Kroah-Hartman wrote:
> > On Fri, Apr 06, 2018 at 05:25:24PM -0500, Dan Rue wrote:
> > > On Fri, Apr 06, 2018 at 03:22:41PM +0200, Greg Kroah-Hartman wrote:
> > > > This is the start of the stable review cycle for the 4.9.93 release.
> > > > There are 102 patches in this series, all will be posted as a response
> > > > to this one.  If anyone has any issues with these being applied, please
> > > > let me know.
> > > > 
> > > > Responses should be made by Sun Apr  8 08:42:55 UTC 2018.
> > > > Anything received after that time might be too late.
> > > 
> > > Results from Linaro’s test farm.
> > > No regressions on arm64, arm and x86_64.
> > > 
> > > There is a new test failure on dragonboard 410c (arm64) in
> > > kselftest/cpu-on-off-test. However, it looks like the test was failing
> > > but giving a false "PASS" on previous versions of 4.9. This -RC seems to
> > > have changed the behavior enough to cause the test to actually mark a
> > > failure.
> > > 
> > > In any event, this looks like a db410c-specific pre-existing issue that we have
> > > already escalated to our Qualcomm team. Details can be found at
> > > https://bugs.linaro.org/show_bug.cgi?id=3723 for those interested.
> > 
> > Thanks for testing these and letting me know.
> 
> The test failure on dragonboard 410c comes from [1] to fix a possible
> deadlock related to the hotplug rework. It's been reverted in v4.12 by [2]
> because the cpu hotplug rework was not ready yet at that time. Since the
> hotplug rework has not been backported to v4.9.y, the splat cannot be
> reproduced and so [1] can be reverted or [2] applied on v4.9.y.
> 
> [1] https://lkml.org/lkml/2018/3/23/452
> [2] https://lkml.org/lkml/2017/5/7/124

Hm, so I need to drop some patch, but what one?  lkml.org does not work
for me, please be specific and use the git commit ids, or at the
very-least, the subject of the patches.  Never make someone have to rely
on the existance of a random web site not under kernel developer's
control to figure out what to do...

greg k-h