[PATCH v5 08/15] arch/loongarch: don't initialize kasan if it's disabled

[Baoquan He]

Here, kasan is disabled if specified 'kasan=off' in kernel cmdline.

Signed-off-by: Baoquan He <b...@redhat.com>
Cc: loonga...@lists.linux.dev
---
 arch/loongarch/mm/kasan_init.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/loongarch/mm/kasan_init.c b/arch/loongarch/mm/kasan_init.c
index 0fc02ca06457..047a059544e1 100644
--- a/arch/loongarch/mm/kasan_init.c
+++ b/arch/loongarch/mm/kasan_init.c
@@ -269,6 +269,9 @@ void __init kasan_init(void)
        u64 i;
        phys_addr_t pa_start, pa_end;
 
+       /* If KASAN is disabled via command line, don't initialize it. */
+       if (kasan_arg_disabled)
+               return;
        /*
         * If PGDIR_SIZE is too large for cpu_vabits, KASAN_SHADOW_END will
         * overflow UINTPTR_MAX and then looks like a user space address.
-- 
2.52.0