Re: [PATCH 5.15 000/691] 5.15.168-rc1 review

[Florian Fainelli]

On 10/15/24 10:17, Greg Kroah-Hartman wrote:
> On Tue, Oct 15, 2024 at 10:09:15AM -0700, Florian Fainelli wrote:
> > On 10/15/24 04:19, Greg Kroah-Hartman wrote:
> > > This is the start of the stable review cycle for the 5.15.168 release.
> > > There are 691 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 Thu, 17 Oct 2024 11:22:41 +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-5.15.168-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/evsel.o
> > util/evsel.c: In function 'evsel__set_count':
> > util/evsel.c:1505:14: error: 'struct perf_counts_values' has no member named
> > 'lost'
> >   1505 |         count->lost   = lost;
> >        |              ^~
> > 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/evsel.o]
> > Error 1
> >
> > seems like we need to backport upstream
> > 89e3106fa25fb1b626a7123dba870159d453e785 ("libperf: Handle read format in
> > perf_evsel__read()") to add the 'lost' member.
>
> Is this new?  I can't build perf on any older kernels, but others might
> have better luck...

Yes this is a new build failure, caused by "perf tools: Support reading 
PERF_FORMAT_LOST" AFAICT.
--
Florian