Re: [PATCH 5.10 00/63] 5.10.69-rc1 review
From: Florian Fainelli
Date: Fri Sep 24 2021 - 18:12:15 EST
On 9/24/21 7:12 AM, Daniel Díaz wrote:
> On 9/24/21 7:44 AM, Greg Kroah-Hartman wrote:
>> This is the start of the stable review cycle for the 5.10.69 release.
>> There are 63 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 Sun, 26 Sep 2021 12:43:20 +0000.
>> Anything received after that time might be too late.
>> The whole patch series can be found in one patch at:
>> or in the git tree and branch at:
>> and the diffstat can be found below.
>> greg k-h
> Regressions detected.
> While building Perf for arm, arm64, i386 and x86, all with GCC 11, the
> following error was encountered:
> util/dso.c: In function 'dso__build_id_equal':
> util/dso.c:1345:26: error: implicit declaration of function
> 'memchr_inv'; did you mean 'memchr'?
> 1345 | !memchr_inv(&dso->bid.data[bid->size], 0,
> | ^~~~~~~~~~
> | memchr
> cc1: all warnings being treated as errors
> make: *** [/builds/linux/tools/build/Makefile.build:96:
> /home/tuxbuild/.cache/tuxmake/builds/current/util/dso.o] Error 1
Confirmed, with GCC 8.3 the warning is not a fatal error but we will
fail linking eventually anyway:
in function `dso__build_id_equal':
undefined reference to `memchr_inv'
collect2: error: ld returned 1 exit status
make: *** [Makefile.perf:655:
make: *** [Makefile.perf:229: sub-make] Error 2
make: *** [Makefile:70: all] Error 2
make: *** [package/pkg-generic.mk:271:
make: *** [Makefile:27: _all] Error 2