[PATCH v5 08/15] arch/loongarch: don't initialize kasan if it's disabled
From: Baoquan He <hidden>
Date: 2026-02-25 08:16:04
Also in:
linux-arm-kernel, linux-mm, linux-riscv, linux-s390, linux-um, lkml, loongarch
Subsystem:
kasan, loongarch, the rest · Maintainers:
Andrey Ryabinin, Huacai Chen, Linus Torvalds
Here, kasan is disabled if specified 'kasan=off' in kernel cmdline. Signed-off-by: Baoquan He <redacted> Cc: loongarch@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