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Message-ID: <1885150a-6caa-8d92-f893-02bdb5ee508d@roeck-us.net>
Date: Thu, 21 Sep 2023 05:20:17 -0700
From: Guenter Roeck <linux@...ck-us.net>
To: Florian Fainelli <f.fainelli@...il.com>,
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,
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
Subject: Re: [PATCH 5.4 000/367] 5.4.257-rc1 review
On 9/20/23 10:21, Florian Fainelli wrote:
> On 9/20/23 04:26, Greg Kroah-Hartman wrote:
>> This is the start of the stable review cycle for the 5.4.257 release.
>> There are 367 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, 22 Sep 2023 11:28:09 +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-5.4.257-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-5.4.y
>> and the diffstat can be found below.
>>
>> thanks,
>>
>> greg k-h
>
> perf does not build with:
>
> libbpf.c: In function 'bpf_object__close':
> libbpf.c:4205:15: error: 'struct bpf_object' has no member named 'btf_vmlinux'
> btf__free(obj->btf_vmlinux);
> ^~
>
> due to 34d66b750e83d49c7d3d33d59e6a1b49e0d5db15 ("libbpf: Free btf_vmlinux when closing bpf_object")
>
> the btf_vmlinux member was introduced with a6ed02cac690b635dbb938690e795812ce1e14ca ("libbpf: Load btf_vmlinux only once per object.") which is only in >= 5.6.
>
> Suggset we drop that commit.
This problem affects 5.4, 5.10, and 5.15.
Guenter
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