]> git.baikalelectronics.ru Git - kernel.git/commit
kprobes: Remove kretprobe hash
authorPeter Zijlstra <peterz@infradead.org>
Sat, 29 Aug 2020 13:03:24 +0000 (22:03 +0900)
committerIngo Molnar <mingo@kernel.org>
Mon, 12 Oct 2020 16:27:27 +0000 (18:27 +0200)
commitdf37f401bc854221eff8b7715279dfe314d562b9
tree9944b2c314717793ebd6be0982dab4bd4f82b2a1
parent61da7e3392be6504e43ca02f4387084a310edbbf
kprobes: Remove kretprobe hash

The kretprobe hash is mostly superfluous, replace it with a per-task
variable.

This gets rid of the task hash and it's related locking.

Note that this may change the kprobes module-exported API for kretprobe
handlers. If any out-of-tree kretprobe user uses ri->rp, use
get_kretprobe(ri) instead.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/159870620431.1229682.16325792502413731312.stgit@devnote2
include/linux/kprobes.h
include/linux/sched.h
kernel/fork.c
kernel/kprobes.c
kernel/trace/trace_kprobe.c