patches/old/hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix.patch

From: Andrew Morton <akpm@linux-foundation.org>
Subject: hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix
Date: Thu Mar 13 03:28:05 PM PDT 2025

implement debug_show_blocker() in C rather than in CPP

Cc: Anna Schumaker <anna.schumaker@oracle.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Joel Granados <joel.granados@kernel.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Lance Yang <ioworker0@gmail.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tomasz Figa <tfiga@chromium.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yongliang Gao <leonylgao@tencent.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/hung_task.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/kernel/hung_task.c~hung_task-show-the-blocker-task-if-the-task-is-hung-on-mutex-fix
+++ a/kernel/hung_task.c
@@ -125,7 +125,9 @@ static void debug_show_blocker(struct ta
 	}
 }
 #else
-#define debug_show_blocker(t)	do {} while (0)
+static inline void debug_show_blocker(struct task_struct *task)
+{
+}
 #endif
 
 static void check_hung_task(struct task_struct *t, unsigned long timeout)
_