diff options
Diffstat (limited to 'arch/powerpc/include/asm/kasan.h')
-rw-r--r-- | arch/powerpc/include/asm/kasan.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h index be85c7005fb1..7355ed05e65e 100644 --- a/arch/powerpc/include/asm/kasan.h +++ b/arch/powerpc/include/asm/kasan.h @@ -15,11 +15,18 @@ #ifndef __ASSEMBLY__ #include <asm/page.h> +#include <linux/sizes.h> #define KASAN_SHADOW_SCALE_SHIFT 3 +#if defined(CONFIG_PPC_BOOK3S_32) && defined(CONFIG_MODULES) && defined(CONFIG_STRICT_KERNEL_RWX) +#define KASAN_KERN_START ALIGN_DOWN(PAGE_OFFSET - SZ_256M, SZ_256M) +#else +#define KASAN_KERN_START PAGE_OFFSET +#endif + #define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \ - (PAGE_OFFSET >> KASAN_SHADOW_SCALE_SHIFT)) + (KASAN_KERN_START >> KASAN_SHADOW_SCALE_SHIFT)) #define KASAN_SHADOW_OFFSET ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET) @@ -27,10 +34,12 @@ #ifdef CONFIG_KASAN void kasan_early_init(void); +void kasan_mmu_init(void); void kasan_init(void); void kasan_late_init(void); #else static inline void kasan_init(void) { } +static inline void kasan_mmu_init(void) { } static inline void kasan_late_init(void) { } #endif |