Re: [PATCH 5.10 00/83] 5.10.196-rc1 review

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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@xxxxxxxxx <mailto:f.fainelli@xxxxxxxxx>> 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




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