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Date:   Wed, 4 Oct 2023 17:51:50 -0700
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Subject: Re: [PATCH 6.1 000/259] 6.1.56-rc1 review
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To:     Namhyung Kim <namhyung@kernel.org>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Ian Rogers <irogers@google.com>,
        patches@lists.linux.dev, linux-kernel@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org,
        linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org,
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        sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de,
        conor@kernel.org
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From:   Florian Fainelli <f.fainelli@gmail.com>
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On 10/4/2023 1:19 PM, Namhyung Kim wrote:
> Hello,
> 
> On Wed, Oct 4, 2023 at 12:33 PM Florian Fainelli <f.fainelli@gmail.com> wrote:
>>
>> +Namhyung, Ian,
>>
>> On 10/4/23 10:52, Greg Kroah-Hartman wrote:
>>> This is the start of the stable review cycle for the 6.1.56 release.
>>> There are 259 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/v6.x/stable-review/patch-6.1.56-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-6.1.y
>>> and the diffstat can be found below.
>>>
>>> thanks,
>>>
>>> greg k-h
>>
>> perf fails to build with:
>>
>> fixdep: error opening depfile:
>> /local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/perf/pmu-events/.pmu-events.o.d:
>> No such file or directory
>> make[5]: *** [pmu-events/Build:33:
>> /local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/perf/pmu-events/pmu-events.o]
>> Error 2
>> make[4]: *** [Makefile.perf:672:
>> /local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/perf/pmu-events/pmu-events-in.o]
>> Error 2
>> make[3]: *** [Makefile.perf:240: sub-make] Error 2
>> make[2]: *** [Makefile:70: all] Error 2
>> make[1]: *** [package/pkg-generic.mk:294:
>> /local/users/fainelli/buildroot/output/arm/build/linux-tools/.stamp_built]
>> Error 2
>> make: *** [Makefile:27: _all] Error 2
>>
>> due a80fd00cb1a7793ead4d7c3fa7d3f1e898231c27 ("perf build: Update build
>> rule for generated files"). Reverting that commit fixes the build for me
>> and then all is good in terms of testing.
> 
> I think it's ok to drop the patches if it's not applied
> cleanly.

AFAICT the patch applied cleanly. There was some bizarre interplay in 
stable kernels prior to < 6.1 as reported here:

https://lore.kernel.org/all/dcb9997a-2e8a-5eb2-7a34-f8af418d4bf1@gmail.com/
https://lore.kernel.org/all/6a577578-8adb-aa70-1bf8-b1a4573152cf@gmail.com/

Does this make sense to you that on 6.1 which does have Ian's commit 
00facc760903be6675870c2749e2cd72140e396e ("perf jevents: Switch build to 
use jevents.py") that we would still get this build error somehow?

Thanks
-- 
Florian