PR sync from: Luo Gengkun luogengkun2@huawei.com
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ZAA7JVTZYDSNYZCC3SMYTQU47VAFQHK4/
*** BLURB HERE ***

Luo Gengkun (1):
perf: Fix kabi problem by put mutex in front of perf_buffer

Peter Zijlstra (1):
perf/aux: Fix AUX buffer serialization

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2.34.1

#IB37AM:CVE-2024-50251