linux-kernel - [tip:locking/core] jump_label: Use static_key

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Date:   Mon, 10 Sep 2018 00:54:51 -0700
From:   tip-bot for Borislav Petkov <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     jbaron@...mai.com, peterz@...radead.org, akpm@...ux-foundation.org,
        linux-kernel@...r.kernel.org, mingo@...nel.org,
        paulmck@...ux.vnet.ibm.com, torvalds@...ux-foundation.org,
        bp@...e.de, hpa@...or.com, jpoimboe@...hat.com,
        rostedt@...dmis.org, tglx@...utronix.de
Subject: [tip:locking/core] jump_label: Use static_key_linked() accessor

Commit-ID:  34e12b864e617ca7e4f6a3108460aa143bf20056
Gitweb:     https://git.kernel.org/tip/34e12b864e617ca7e4f6a3108460aa143bf20056
Author:     Borislav Petkov <bp@...e.de>
AuthorDate: Sun, 9 Sep 2018 13:42:52 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 10 Sep 2018 08:23:37 +0200

jump_label: Use static_key_linked() accessor

... instead of open-coding it, in static_key_mod().

No functional changes.

Signed-off-by: Borislav Petkov <bp@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Jason Baron <jbaron@...mai.com>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Steven Rostedt (VMware) <rostedt@...dmis.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/20180909114252.17575-1-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/jump_label.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index 01ebdf1f9f40..61d1c0178731 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -455,7 +455,7 @@ struct static_key_mod {
 
 static inline struct static_key_mod *static_key_mod(struct static_key *key)
 {
-	WARN_ON_ONCE(!(key->type & JUMP_TYPE_LINKED));
+	WARN_ON_ONCE(!static_key_linked(key));
 	return (struct static_key_mod *)(key->type & ~JUMP_TYPE_MASK);
 }