linux-kernel - [tip: x86/urgent] locking/lockdep: Cure noinstr fail

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Message-ID: <161048233036.414.5326778516685333440.tip-bot2@tip-bot2>
Date:   Tue, 12 Jan 2021 20:12:10 -0000
From:   "tip-bot2 for Peter Zijlstra" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: x86/urgent] locking/lockdep: Cure noinstr fail

The following commit has been merged into the x86/urgent branch of tip:

Commit-ID:     0afda3a888dccf12557b41ef42eee942327d122b
Gitweb:        https://git.kernel.org/tip/0afda3a888dccf12557b41ef42eee942327d122b
Author:        Peter Zijlstra <peterz@...radead.org>
AuthorDate:    Wed, 06 Jan 2021 15:36:22 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Tue, 12 Jan 2021 21:10:59 +01:00

locking/lockdep: Cure noinstr fail

When the compiler doesn't feel like inlining, it causes a noinstr
fail:

  vmlinux.o: warning: objtool: lock_is_held_type()+0xb: call to lockdep_enabled() leaves .noinstr.text section

Fixes: 4d004099a668 ("lockdep: Fix lockdep recursion")
Reported-by: Randy Dunlap <rdunlap@...radead.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Link: https://lore.kernel.org/r/20210106144017.592595176@infradead.org

---
 kernel/locking/lockdep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index c1418b4..02bc5b8 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -79,7 +79,7 @@ module_param(lock_stat, int, 0644);
 DEFINE_PER_CPU(unsigned int, lockdep_recursion);
 EXPORT_PER_CPU_SYMBOL_GPL(lockdep_recursion);
 
-static inline bool lockdep_enabled(void)
+static __always_inline bool lockdep_enabled(void)
 {
 	if (!debug_locks)
 		return false;