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ftrace: Add modify_ftrace_direct_multi_nolock
authorSong Liu <song@kernel.org>
Wed, 20 Jul 2022 00:21:23 +0000 (17:21 -0700)
committerDaniel Borkmann <daniel@iogearbox.net>
Fri, 22 Jul 2022 20:04:24 +0000 (22:04 +0200)
commitf96f644ab97abeed3f7007c953836a574ce928cc
tree7253962a390954e8b9139e84a387a32655181e55
parentf664f9c6b4a1bb9a10af812df0fbbf6aac28fcc6
ftrace: Add modify_ftrace_direct_multi_nolock

This is similar to modify_ftrace_direct_multi, but does not acquire
direct_mutex. This is useful when direct_mutex is already locked by the
user.

Signed-off-by: Song Liu <song@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/bpf/20220720002126.803253-2-song@kernel.org
include/linux/ftrace.h
kernel/trace/ftrace.c