diff mbox series

[RFC,06/17] dyndbg: dynamic_debug_init - use pointer inequality, not strcmp

Message ID 20221206003424.592078-7-jim.cromie@gmail.com
State New
Headers
Series DRM_USE_DYNAMIC_DEBUG regression |

Commit Message

Jim Cromie Dec. 6, 2022, 12:34 a.m. UTC 
  dynamic_debug_init() currently uses strcmp to find the module
boundaries in the builtin _ddebug[] table.

The table is filled by the linker; for its content, pointer inequality
works, is faster, and communicates the data properties more tightly.

Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
---
 lib/dynamic_debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 5d609ff0d559..a0dc681cd215 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -1410,7 +1410,7 @@  static int __init dynamic_debug_init(void)
 
 	for (; iter < __stop___dyndbg; iter++, i++, mod_sites++) {
 
-		if (strcmp(modname, iter->modname)) {
+		if (modname != iter->modname) {
 			mod_ct++;
 			di.num_descs = mod_sites;
 			di.descs = iter_mod_start;