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

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Message-ID: <7df2134c-a2fa-4cb8-8d57-e06fb7f62bca@gmail.com>
Date: Tue, 15 Oct 2024 10:25:44 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: stable@...r.kernel.org, patches@...ts.linux.dev,
 linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
 akpm@...ux-foundation.org, linux@...ck-us.net, shuah@...nel.org,
 patches@...nelci.org, lkft-triage@...ts.linaro.org, pavel@...x.de,
 jonathanh@...dia.com, sudipm.mukherjee@...il.com, srw@...dewatkins.net,
 rwarsow@....de, conor@...nel.org, allen.lkml@...il.com, broonie@...nel.org
Subject: Re: [PATCH 5.15 000/691] 5.15.168-rc1 review

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