mainlining shenanigans
76d4acf22b
- Make kretprobes lockless to avoid the rp->lock performance and potential
lock ordering issues.
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Merge tag 'perf-kprobes-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf/kprobes updates from Thomas Gleixner:
"Make kretprobes lockless to avoid the rp->lock performance and
potential lock ordering issues"
* tag 'perf-kprobes-2020-12-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/atomics: Regenerate the atomics-check SHA1's
kprobes: Replace rp->free_instance with freelist
freelist: Implement lockless freelist
asm-generic/atomic: Add try_cmpxchg() fallbacks
kprobes: Remove kretprobe hash
llist: Add nonatomic __llist_add() and __llist_dell_all()
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