Re: [PATCH 6.1 000/259] 6.1.56-rc1 review

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On Wed, Oct 4, 2023 at 5:52 PM Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
>
>
>
> On 10/4/2023 1:19 PM, Namhyung Kim wrote:
> > Hello,
> >
> > On Wed, Oct 4, 2023 at 12:33 PM Florian Fainelli <f.fainelli@xxxxxxxxx> 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@xxxxxxxxx/
> https://lore.kernel.org/all/6a577578-8adb-aa70-1bf8-b1a4573152cf@xxxxxxxxx/
>
> 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?

You can drop the pmu-events part of the change if possible.
If not, I'm ok to drop the entire patch as it's intended to fix a
corner case only.  Normal builds should be fine before and
after the change.

Thanks,
Namhyung



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