The patch titled
Subject: kernel/crash_core.c: make __crash_hotplug_lock static
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
kernel-crash_corec-make-__crash_hotplug_lock-static.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/kernel-crash_corec-make-__crash_hotplug_lock-static.patch
This patch will later appear in the mm-hotfixes-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: kernel/crash_core.c: make __crash_hotplug_lock static
Date: Tue Jan 9 09:35:21 PM PST 2024
sparse warnings:
kernel/crash_core.c:749:1: sparse: sparse: symbol '__crash_hotplug_lock' was not declared. Should it be static?
Fixes: e2a8f20dd8e ("Crash: add lock to serialize crash hotplug handling")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202401080654.IjjU5oK7-lkp@xxxxxxxxx/
Cc: Baoquan He <bhe@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/crash_core.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/kernel/crash_core.c~kernel-crash_corec-make-__crash_hotplug_lock-static
+++ a/kernel/crash_core.c
@@ -877,7 +877,7 @@ subsys_initcall(crash_notes_memory_init)
* regions are online. So mutex lock __crash_hotplug_lock is used to
* serialize the crash hotplug handling specifically.
*/
-DEFINE_MUTEX(__crash_hotplug_lock);
+static DEFINE_MUTEX(__crash_hotplug_lock);
#define crash_hotplug_lock() mutex_lock(&__crash_hotplug_lock)
#define crash_hotplug_unlock() mutex_unlock(&__crash_hotplug_lock)
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
fs-proc-task_mmu-move-mmu-notification-mechanism-inside-mm-lock-fix.patch
kernel-crash_corec-make-__crash_hotplug_lock-static.patch
