linux-kernel - [PATCH 2/3] dyndbg: vpr-info on remove-module complete, not starting

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Message-Id: <20211013220726.1280565-3-jim.cromie@gmail.com>
Date:   Wed, 13 Oct 2021 16:07:25 -0600
From:   Jim Cromie <jim.cromie@...il.com>
To:     jbaron@...mai.com, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org
Cc:     Jim Cromie <jim.cromie@...il.com>
Subject: [PATCH 2/3] dyndbg: vpr-info on remove-module complete, not starting

On qemu --smp 3 runs, remove-module can get called 3 times.
So don't print on entry; instead print "removed" after entry is
found and removed, so just once.

Signed-off-by: Jim Cromie <jim.cromie@...il.com>
---
 lib/dynamic_debug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 9dd8efb5a756..bc1ac55ac328 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -1028,8 +1028,6 @@ int ddebug_remove_module(const char *mod_name)
 	struct ddebug_table *dt, *nextdt;
 	int ret = -ENOENT;
 
-	v2pr_info("removing module \"%s\"\n", mod_name);
-
 	mutex_lock(&ddebug_lock);
 	list_for_each_entry_safe(dt, nextdt, &ddebug_tables, link) {
 		if (dt->mod_name == mod_name) {
@@ -1039,6 +1037,8 @@ int ddebug_remove_module(const char *mod_name)
 		}
 	}
 	mutex_unlock(&ddebug_lock);
+	if (!ret)
+		v2pr_info("removed module \"%s\"\n", mod_name);
 	return ret;
 }
 
-- 
2.31.1