linux-kernel - [for-linus][PATCH 1/5] tracing: Drop unneeded assignment to soft

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Message-ID: <20260108155137.693994829@kernel.org>
Date: Thu, 08 Jan 2026 10:51:21 -0500
From: Steven Rostedt <rostedt@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Masami Hiramatsu <mhiramat@...nel.org>,
 Mark Rutland <mark.rutland@....com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 "Paul E . McKenney" <paulmck@...nel.org>,
 Gabriele Paoloni <gpaoloni@...hat.com>,
 Julia Lawall <Julia.Lawall@...ia.fr>
Subject: [for-linus][PATCH 1/5] tracing: Drop unneeded assignment to soft_mode

From: Julia Lawall <Julia.Lawall@...ia.fr>

soft_mode is not read in the enable case, so drop the assignment.
Drop also the comment text that refers to the assignment and realign
the comment.

Cc: "Paul E . McKenney" <paulmck@...nel.org>
Cc: Gabriele Paoloni <gpaoloni@...hat.com>
Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Link: https://patch.msgid.link/20251226110531.4129794-1-Julia.Lawall@inria.fr
Signed-off-by: Julia Lawall <Julia.Lawall@...ia.fr>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 kernel/trace/trace_events.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 76067529db61..137b4d9bb116 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -826,16 +826,15 @@ static int __ftrace_event_enable_disable(struct trace_event_file *file,
 		 * When soft_disable is set and enable is set, we want to
 		 * register the tracepoint for the event, but leave the event
 		 * as is. That means, if the event was already enabled, we do
-		 * nothing (but set soft_mode). If the event is disabled, we
-		 * set SOFT_DISABLED before enabling the event tracepoint, so
-		 * it still seems to be disabled.
+		 * nothing. If the event is disabled, we set SOFT_DISABLED
+		 * before enabling the event tracepoint, so it still seems
+		 * to be disabled.
 		 */
 		if (!soft_disable)
 			clear_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT, &file->flags);
 		else {
 			if (atomic_inc_return(&file->sm_ref) > 1)
 				break;
-			soft_mode = true;
 			/* Enable use of trace_buffered_event */
 			trace_buffered_event_enable();
 		}
-- 
2.51.0