On 7/17/25 4:27 PM, Sabyrzhan Tasbolatov wrote:
> diff --git a/arch/loongarch/include/asm/kasan.h
> b/arch/loongarch/include/asm/kasan.h
> index 62f139a9c87..0e50e5b5e05 100644
> --- a/arch/loongarch/include/asm/kasan.h
> +++ b/arch/loongarch/include/asm/kasan.h
> @@ -66,7 +66,6 @@
> #define XKPRANGE_WC_SHADOW_OFFSET (KASAN_SHADOW_START +
> XKPRANGE_WC_KASAN_OFFSET)
> #define XKVRANGE_VC_SHADOW_OFFSET (KASAN_SHADOW_START +
> XKVRANGE_VC_KASAN_OFFSET)
>
> -extern bool kasan_early_stage;
> extern unsigned char kasan_early_shadow_page[PAGE_SIZE];
>
> #define kasan_mem_to_shadow kasan_mem_to_shadow
> @@ -75,12 +74,6 @@ void *kasan_mem_to_shadow(const void *addr);
> #define kasan_shadow_to_mem kasan_shadow_to_mem
> const void *kasan_shadow_to_mem(const void *shadow_addr);
>
> -#define kasan_arch_is_ready kasan_arch_is_ready
> -static __always_inline bool kasan_arch_is_ready(void)
> -{
> - return !kasan_early_stage;
> -}
> -
> #define addr_has_metadata addr_has_metadata
> static __always_inline bool addr_has_metadata(const void *addr)
> {
> diff --git a/arch/loongarch/mm/kasan_init.c b/arch/loongarch/mm/kasan_init.c
> index d2681272d8f..cf8315f9119 100644
> --- a/arch/loongarch/mm/kasan_init.c
> +++ b/arch/loongarch/mm/kasan_init.c
> @@ -40,11 +40,9 @@ static pgd_t kasan_pg_dir[PTRS_PER_PGD] __initdata
> __aligned(PAGE_SIZE);
> #define __pte_none(early, pte) (early ? pte_none(pte) : \
> ((pte_val(pte) & _PFN_MASK) == (unsigned long)__pa(kasan_early_shadow_page)))
>
> -bool kasan_early_stage = true;
> -
> void *kasan_mem_to_shadow(const void *addr)
> {
> - if (!kasan_arch_is_ready()) {
> + if (!kasan_enabled()) {
This doesn't make sense, !kasan_enabled() is compile-time check which is always
false here.
> return (void *)(kasan_early_shadow_page);
> } else {
> unsigned long maddr = (unsigned long)addr;
