linux-kernel - [tip: locking/core] locking/local

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Message-ID: <176762846930.510.10425726824967101932.tip-bot2@tip-bot2>
Date: Mon, 05 Jan 2026 15:54:29 -0000
From: "tip-bot2 for Marco Elver" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Marco Elver <elver@...gle.com>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Bart Van Assche <bvanassche@....org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: locking/core] locking/local_lock: Include missing headers

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

Commit-ID:     8c9c8566e139c0f1398245fbe3aa409fc1a79da8
Gitweb:        https://git.kernel.org/tip/8c9c8566e139c0f1398245fbe3aa409fc1a79da8
Author:        Marco Elver <elver@...gle.com>
AuthorDate:    Fri, 19 Dec 2025 16:40:07 +01:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Mon, 05 Jan 2026 16:43:31 +01:00

locking/local_lock: Include missing headers

Including <linux/local_lock.h> into an empty TU will result in the
compiler complaining:

./include/linux/local_lock.h: In function ‘class_local_lock_irqsave_constructor’:
./include/linux/local_lock_internal.h:95:17: error: implicit declaration of function ‘local_irq_save’; <...>
   95 |                 local_irq_save(flags);                          \
      |                 ^~~~~~~~~~~~~~

As well as (some architectures only, such as 'sh'):

./include/linux/local_lock_internal.h: In function ‘local_lock_acquire’:
./include/linux/local_lock_internal.h:33:20: error: ‘current’ undeclared (first use in this function)
   33 |         l->owner = current;

Include missing headers to allow including local_lock.h where the
required headers are not otherwise included.

Signed-off-by: Marco Elver <elver@...gle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Bart Van Assche <bvanassche@....org>
Link: https://patch.msgid.link/20251219154418.3592607-19-elver@google.com
---
 include/linux/local_lock_internal.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/local_lock_internal.h b/include/linux/local_lock_internal.h
index 8f82b4e..1a1ea12 100644
--- a/include/linux/local_lock_internal.h
+++ b/include/linux/local_lock_internal.h
@@ -4,7 +4,9 @@
 #endif
 
 #include <linux/percpu-defs.h>
+#include <linux/irqflags.h>
 #include <linux/lockdep.h>
+#include <asm/current.h>
 
 #ifndef CONFIG_PREEMPT_RT