Subject: [PATCH v5 02/15] mm/kasan: rename 'kasan_arg' to 'kasan_arg_disabled'

From: Baoquan He <[email-masked]>
Date: Wed, 25 Feb 2026 16:13:59 +0800

And change it to be a bool variable. This is prepared for later
usage.

Signed-off-by: Baoquan He <[email-masked]>
---
 mm/kasan/hw_tags.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c
index cbef5e450954..26a69f0d822c 100644
--- a/mm/kasan/hw_tags.c
+++ b/mm/kasan/hw_tags.c
@@ -22,12 +22,6 @@
 
 #include "kasan.h"
 
-enum kasan_arg {
-	KASAN_ARG_DEFAULT,
-	KASAN_ARG_OFF,
-	KASAN_ARG_ON,
-};
-
 enum kasan_arg_mode {
 	KASAN_ARG_MODE_DEFAULT,
 	KASAN_ARG_MODE_SYNC,
@@ -41,7 +35,7 @@ enum kasan_arg_vmalloc {
 	KASAN_ARG_VMALLOC_ON,
 };
 
-static enum kasan_arg kasan_arg __ro_after_init;
+bool kasan_arg_disabled __ro_after_init;
 static enum kasan_arg_mode kasan_arg_mode __ro_after_init;
 static enum kasan_arg_vmalloc kasan_arg_vmalloc __initdata;
 
@@ -88,9 +82,9 @@ static int __init early_kasan_flag(char *arg)
 		return -EINVAL;
 
 	if (!strcmp(arg, "off"))
-		kasan_arg = KASAN_ARG_OFF;
+		kasan_arg_disabled = true;
 	else if (!strcmp(arg, "on"))
-		kasan_arg = KASAN_ARG_ON;
+		kasan_arg_disabled = false;
 	else
 		return -EINVAL;
 
@@ -222,7 +216,7 @@ void kasan_init_hw_tags_cpu(void)
 	 * When this function is called, kasan_flag_enabled is not yet
 	 * set by kasan_init_hw_tags(). Thus, check kasan_arg instead.
 	 */
-	if (kasan_arg == KASAN_ARG_OFF)
+	if (kasan_arg_disabled)
 		return;
 
 	/*
@@ -240,7 +234,7 @@ void __init kasan_init_hw_tags(void)
 		return;
 
 	/* If KASAN is disabled via command line, don't initialize it. */
-	if (kasan_arg == KASAN_ARG_OFF)
+	if (kasan_arg_disabled)
 		return;
 
 	switch (kasan_arg_mode) {
-- 
2.52.0