diff options
Diffstat (limited to 'arch/loongarch/include/asm/kasan.h')
| -rw-r--r-- | arch/loongarch/include/asm/kasan.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/loongarch/include/asm/kasan.h b/arch/loongarch/include/asm/kasan.h index cd6084f4e153..7f52bd31b9d4 100644 --- a/arch/loongarch/include/asm/kasan.h +++ b/arch/loongarch/include/asm/kasan.h @@ -16,7 +16,7 @@ #define XRANGE_SHIFT (48) /* Valid address length */ -#define XRANGE_SHADOW_SHIFT (PGDIR_SHIFT + PAGE_SHIFT - 3) +#define XRANGE_SHADOW_SHIFT min(cpu_vabits, VA_BITS) /* Used for taking out the valid address */ #define XRANGE_SHADOW_MASK GENMASK_ULL(XRANGE_SHADOW_SHIFT - 1, 0) /* One segment whole address space size */ @@ -25,6 +25,7 @@ /* 64-bit segment value. */ #define XKPRANGE_UC_SEG (0x8000) #define XKPRANGE_CC_SEG (0x9000) +#define XKPRANGE_WC_SEG (0xa000) #define XKVRANGE_VC_SEG (0xffff) /* Cached */ @@ -41,20 +42,28 @@ #define XKPRANGE_UC_SHADOW_SIZE (XKPRANGE_UC_SIZE >> KASAN_SHADOW_SCALE_SHIFT) #define XKPRANGE_UC_SHADOW_END (XKPRANGE_UC_KASAN_OFFSET + XKPRANGE_UC_SHADOW_SIZE) +/* WriteCombine */ +#define XKPRANGE_WC_START WRITECOMBINE_BASE +#define XKPRANGE_WC_SIZE XRANGE_SIZE +#define XKPRANGE_WC_KASAN_OFFSET XKPRANGE_UC_SHADOW_END +#define XKPRANGE_WC_SHADOW_SIZE (XKPRANGE_WC_SIZE >> KASAN_SHADOW_SCALE_SHIFT) +#define XKPRANGE_WC_SHADOW_END (XKPRANGE_WC_KASAN_OFFSET + XKPRANGE_WC_SHADOW_SIZE) + /* VMALLOC (Cached or UnCached) */ #define XKVRANGE_VC_START MODULES_VADDR #define XKVRANGE_VC_SIZE round_up(KFENCE_AREA_END - MODULES_VADDR + 1, PGDIR_SIZE) -#define XKVRANGE_VC_KASAN_OFFSET XKPRANGE_UC_SHADOW_END +#define XKVRANGE_VC_KASAN_OFFSET XKPRANGE_WC_SHADOW_END #define XKVRANGE_VC_SHADOW_SIZE (XKVRANGE_VC_SIZE >> KASAN_SHADOW_SCALE_SHIFT) #define XKVRANGE_VC_SHADOW_END (XKVRANGE_VC_KASAN_OFFSET + XKVRANGE_VC_SHADOW_SIZE) /* KAsan shadow memory start right after vmalloc. */ #define KASAN_SHADOW_START round_up(KFENCE_AREA_END, PGDIR_SIZE) #define KASAN_SHADOW_SIZE (XKVRANGE_VC_SHADOW_END - XKPRANGE_CC_KASAN_OFFSET) -#define KASAN_SHADOW_END round_up(KASAN_SHADOW_START + KASAN_SHADOW_SIZE, PGDIR_SIZE) +#define KASAN_SHADOW_END (round_up(KASAN_SHADOW_START + KASAN_SHADOW_SIZE, PGDIR_SIZE) - 1) #define XKPRANGE_CC_SHADOW_OFFSET (KASAN_SHADOW_START + XKPRANGE_CC_KASAN_OFFSET) #define XKPRANGE_UC_SHADOW_OFFSET (KASAN_SHADOW_START + XKPRANGE_UC_KASAN_OFFSET) +#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; |