On 5/20/26 09:13, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 6.12.91 release. There are 666 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 May 2026 16:20:16 +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/v6.x/stable-review/patch-6.12.91-rc1... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.12.y and the diffstat can be found below.
thanks,
greg k-h
perf fails to build on ARM/ARM64/MIPS with:
In file included from libbpf.c:54: libbpf.c: In function 'bpf_object__elf_init': libbpf.c:1538:76: error: implicit declaration of function 'errstr'; did you mean 'strstr'? [-Werror=implicit-function-declaration] 1538 | pr_warn("elf: failed to open %s: %s\n", obj->path, errstr(err)); | ^~~~~~ libbpf_internal.h:167:47: note: in definition of macro '__pr' 167 | libbpf_print(level, "libbpf: " fmt, ##__VA_ARGS__); \ | ^~~~~~~~~~~
this is due to commit 2e81d08459c32c57d037ad160e755bcfe6d5003b Author: Mykyta Yatsenko yatsenko@meta.com Date: Mon Nov 11 21:29:17 2024 +0000
libbpf: Stringify errno in log messages in libbpf.c
[ Upstream commit 271abf041cb354ce99df33ce1f99db79faf90477 ]
we would need to backport the below commit, but it does not apply cleanly to 6.12.y:
commit c68b6fdc3600466e3c265bad34d099eb8c5280f1 Author: Andrii Nakryiko andrii@kernel.org Date: Wed Oct 1 10:13:24 2025 -0700
libbpf: move libbpf_errstr() into libbpf_utils.c