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[v5,04/33] dyndbg: reverse module walk in cat control

Message ID 20220805215355.3509287-5-jim.cromie@gmail.com
State Accepted
Commit 2ad556f700430fe5b0ea5481c24bf3287e226897
Headers show
Series DYNDBG: opt-in class'd debug for modules, use in drm. | expand

Commit Message

Jim Cromie Aug. 5, 2022, 9:53 p.m. UTC 
/proc/dynamic_debug/control walks the prdbg catalog in "reverse",
fix this by adding new ddebug_tables to tail of list.

This puts init/main.c entries 1st, which looks more than coincidental.

no functional changes.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
Acked-by: Jason Baron <jbaron@akamai.com>
---
 lib/dynamic_debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 8faf584f2f4b..7fb99492c16f 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -970,7 +970,7 @@  int ddebug_add_module(struct _ddebug *tab, unsigned int n,
 	dt->ddebugs = tab;
 
 	mutex_lock(&ddebug_lock);
-	list_add(&dt->link, &ddebug_tables);
+	list_add_tail(&dt->link, &ddebug_tables);
 	mutex_unlock(&ddebug_lock);
 
 	vpr_info("%3u debug prints in module %s\n", n, dt->mod_name);