[PATCH v5 02/15] mm/kasan: rename 'kasan_arg' to 'kasan_arg_disabled'
From: Baoquan He <hidden>
Date: 2026-02-25 08:15:06
Also in:
linux-arm-kernel, linux-mm, linux-riscv, linux-s390, linux-um, lkml, loongarch
Subsystem:
kasan, memory management, the rest · Maintainers:
Andrey Ryabinin, Andrew Morton, Linus Torvalds
And change it to be a bool variable. This is prepared for later usage. Signed-off-by: Baoquan He <redacted> --- 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