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Date:   Wed, 20 Sep 2023 11:47:05 -0700
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Subject: Re: [PATCH 5.10 00/83] 5.10.196-rc1 review
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To:     Ian Rogers <rogers.email@gmail.com>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Namhyung Kim <namhyung@kernel.org>,
        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,
        lkft-triage@lists.linaro.org, pavel@denx.de, jonathanh@nvidia.com,
        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 9/20/23 11:42, Ian Rogers wrote:
> On Wed, 20 Sept 2023 at 11:13, Florian Fainelli <f.fainelli@gmail.com 
> <mailto:f.fainelli@gmail.com>> wrote:
> 
>     On 9/20/23 04:30, Greg Kroah-Hartman wrote:
>      > This is the start of the stable review cycle for the 5.10.196
>     release.
>      > There are 83 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, 22 Sep 2023 11:28:09 +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-5.10.196-rc1.gz <https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.196-rc1.gz>
>      > or in the git tree and branch at:
>      >     
>       git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git <http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git> linux-5.10.y
>      > and the diffstat can be found below.
>      >
>      > thanks,
>      >
>      > greg k-h
> 
>     perf fails to build on ARM, ARM64 and MIPS with:
> 
>     fixdep: error opening depfile:
>     /local/users/fainelli/buildroot/output/bmips/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/bmips/build/linux-custom/tools/perf/pmu-events/pmu-events.o]
>     Error 2
>     make[4]: *** [Makefile.perf:653:
>     /local/users/fainelli/buildroot/output/bmips/build/linux-custom/tools/perf/pmu-events/pmu-events-in.o]
>     Error 2
>     make[3]: *** [Makefile.perf:229: sub-make] Error 2
>     make[2]: *** [Makefile:70: all] Error 2
>     make[1]: *** [package/pkg-generic.mk:294 <http://pkg-generic.mk:294>:
>     /local/users/fainelli/buildroot/output/bmips/build/linux-tools/.stamp_built]
>     Error 2
>     make: *** [Makefile:27: _all] Error 2
> 
>     this is caused by 653fc524e350b62479529140dc9abef05abbcc29 ("perf
>     build:
>     Update build rule for generated files"). Reverting that commit plus
>     5804de1f2324ddcfe3f0b6ad58fcfe4d344e0471 ("perf jevents: Switch
>     build to
>     use jevents.py") gets us going again.
> 
> 
> Given the perf tool is backward compatible, does doing backports make sense?

For bugfixes certainly this does not appear to be one though?
-- 
Florian