x86/alternatives: Lockdep-enforce text_mutex in text_poke*()

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text_poke() and text_poke_bp() must be called with text_mutex held.

Put proper lockdep anotation in place instead of just mentioning the
requirement in a comment.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/nycvar.YFH.7.76.1808280853520.25787@cbobk.fhfr.pm

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Jiri Kosina 2018-08-28 08:55:14 +02:00 • committed by Thomas Gleixner

parent f12d11c5c1

commit 9222f60650

1 changed files with 5 additions and 4 deletions

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arch/x86/kernel/alternative.c

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