linux-kernel - [tip: locking/core] locking/lockdep: Reduce header dependencies in <linux/debug

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Message-ID: <162923126303.25758.12953615433442410363.tip-bot2@tip-bot2>
Date:   Tue, 17 Aug 2021 20:14:23 -0000
From:   "tip-bot2 for Sebastian Andrzej Siewior" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: locking/core] locking/lockdep: Reduce header dependencies in
 <linux/debug_locks.h>

The following commit has been merged into the locking/core branch of tip:

Commit-ID:     cbcebf5bd3d056d7a0ae332118888d867ac346c0
Gitweb:        https://git.kernel.org/tip/cbcebf5bd3d056d7a0ae332118888d867ac346c0
Author:        Sebastian Andrzej Siewior <bigeasy@...utronix.de>
AuthorDate:    Sun, 15 Aug 2021 23:28:17 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 17 Aug 2021 17:29:10 +02:00

locking/lockdep: Reduce header dependencies in <linux/debug_locks.h>

The inclusion of printk.h leads to a circular dependency if spinlock_t is
based on rtmutexes on RT enabled kernels.

Include only atomic.h (xchg()) and cache.h (__read_mostly) which is all
what debug_locks.h requires.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20210815211303.484161136@linutronix.de
---
 include/linux/debug_locks.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h
index edb5c18..3f49e65 100644
--- a/include/linux/debug_locks.h
+++ b/include/linux/debug_locks.h
@@ -3,8 +3,7 @@
 #define __LINUX_DEBUG_LOCKING_H
 
 #include <linux/atomic.h>
-#include <linux/bug.h>
-#include <linux/printk.h>
+#include <linux/cache.h>
 
 struct task_struct;