linux-kernel - Re: [PATCH 5.4 000/155] 5.4.262-rc2 review

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Message-ID: <261a0a3b-d1a4-4fe8-8fd7-42e9e2786348@gmail.com>
Date:   Sat, 25 Nov 2023 10:07:33 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org
Cc:     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
Subject: Re: [PATCH 5.4 000/155] 5.4.262-rc2 review



On 11/25/2023 8:32 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.4.262 release.
> There are 155 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 Mon, 27 Nov 2023 16:30:48 +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-5.4.262-rc2.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

perf does not build on ARM and ARM64 with:

util/evsel.h: In function 'perf_evsel__has_branch_hw_idx':
util/evsel.h:387:54: error: 'PERF_SAMPLE_BRANCH_HW_INDEX' undeclared 
(first use in this function); did you mean 'PERF_SAMPLE_BRANCH_IN_TX'?
   387 |         return evsel->core.attr.branch_sample_type & 
PERF_SAMPLE_BRANCH_HW_INDEX;
       | 
^~~~~~~~~~~~~~~~~~~~~~~~~~~
       | 
PERF_SAMPLE_BRANCH_IN_TX
util/evsel.h:387:54: note: each undeclared identifier is reported only 
once for each function it appears in

dropping 946b6643e67f552a9966a06ab5a9032120eeeea9 ("perf tools: Add 
hw_idx in struct branch_stack") allows me to build again for ARM and 
ARM64, howevef for MIPS we also have:

50a3ffda05679c55929bf2bdebc731dfafe3221b ("perf hist: Add missing puts 
to hist__account_cycles") failing to build with:

util/hist.c:2600:5: warning: nested extern declaration of 'maps__put' 
[-Wnested-externs]
util/hist.c:2600:23: error: 'struct addr_map_symbol' has no member named 
'ms'
      maps__put(bi[i].to.ms.maps);
                        ^
util/hist.c:2601:24: error: 'struct addr_map_symbol' has no member named 
'ms'
      map__put(bi[i].from.ms.map);
                         ^
util/hist.c:2602:25: error: 'struct addr_map_symbol' has no member named 
'ms'
      maps__put(bi[i].from.ms.maps);
                          ^

so I would suggest we just revert both commits. Once we do that, all is 
well for ARM, ARM64 and MIPS.
-- 
Florian