linux-kernel - Re: [PATCH 5.15 000/183] 5.15.134-rc1 review

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Date:   Fri, 6 Oct 2023 10:23:02 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Sasha Levin <sashal@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Harshit Mogalapalli <harshit.m.mogalapalli@...cle.com>,
        stable@...r.kernel.org, patches@...ts.linux.dev,
        linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
        patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
        jonathanh@...dia.com, sudipm.mukherjee@...il.com,
        srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
        Vegard Nossum <vegard.nossum@...cle.com>,
        Darren Kenny <darren.kenny@...cle.com>
Subject: Re: [PATCH 5.15 000/183] 5.15.134-rc1 review

On 10/6/23 05:15, Sasha Levin wrote:
> On Fri, Oct 06, 2023 at 01:03:30PM +0200, Greg Kroah-Hartman wrote:
>> On Fri, Oct 06, 2023 at 04:07:14PM +0530, Harshit Mogalapalli wrote:
>>>
>>>
>>> On 06/10/23 3:55 pm, Greg Kroah-Hartman wrote:
>>> > On Wed, Oct 04, 2023 at 11:43:46AM -0700, Florian Fainelli wrote:
>>> > > On 10/4/23 10:53, Greg Kroah-Hartman wrote:
>>> > > > This is the start of the stable review cycle for the 5.15.134 
>>> release.
>>> > > > There are 183 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 Fri, 06 Oct 2023 17:51:12 +0000.
>>> > > > Anything received after that time might be too late.
>>> > > >
>>> > > > The whole patch series can be found in one patch at:
>>> > > >     
>>> https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.134-rc1.gz
>>> > > > or in the git tree and branch at:
>>> > > >     
>>> git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
>>> > > > and the diffstat can be found below.
>>> > > >
>>> > > > thanks,
>>> > > >
>>> > > > greg k-h
>>> > >
>>> > > perf fails to build with:
>>> > >
>>> > >    CC 
>>> /local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/perf/util/metricgroup.o
>>> > > util/metricgroup.c: In function 'metricgroup__parse_groups':
>>> > > util/metricgroup.c:1261:7: error: 'table' undeclared (first use 
>>> in this
>>> > > function)
>>> > >    if (!table)
>>> > >         ^~~~~
>>> > > util/metricgroup.c:1261:7: note: each undeclared identifier is 
>>> reported only
>>> > > once for each function it appears in
>>> > > make[6]: *** 
>>> [/local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/build/Makefile.build:97: /local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/perf/util/metricgroup.o]
>>> > > Error 1
>>> > >
>>> > > caused by c1ef510a0f2a879bf29ddebae766ec9f0790eb8f ("perf metric: 
>>> Return
>>> > > early if no CPU PMU table exists"). Dropping this commit allows 
>>> the build to
>>> > > continue.
>>> > >
>>> > > I had reported in the previous cycle that 00facc760903be66 ("perf 
>>> jevents:
>>> > > Switch build to use jevents.py") was causing build failures:
>>> > >
>>> > > 
>>> https://lore.kernel.org/all/6a577578-8adb-aa70-1bf8-b1a4573152cf@gmail.com/
>>> > >
>>> > > do we still want these commits to be included?
>>> >
>>> > No, I'll go drop them now, thanks for the report.
>>>
>>> Thought:
>>> It's not the first time we see build failures in tools/perf -- would 
>>> it make
>>> sense to add this to your own build tests to reduce the round trip 
>>> time for
>>> these errors ?
>>
>> Last time I tried to build perf, I couldn't do it at all so I just gave
>> up trying to test for it :)
> 
> Same... I've also removed perf from AUTOSEL for that reason.

I suppose that is fair, if there is a critical bug in perf, we could 
submit it "manually" to ensure it reaches the stable trees. Probably 
better managed that way. Thanks!
-- 
Florian