diff options
Diffstat (limited to 'arch/arm64/mm/kasan_init.c')
| -rw-r--r-- | arch/arm64/mm/kasan_init.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c index 555285ebd5af..4c7ad574b946 100644 --- a/arch/arm64/mm/kasan_init.c +++ b/arch/arm64/mm/kasan_init.c @@ -170,6 +170,11 @@ asmlinkage void __init kasan_early_init(void) { BUILD_BUG_ON(KASAN_SHADOW_OFFSET != KASAN_SHADOW_END - (1UL << (64 - KASAN_SHADOW_SCALE_SHIFT))); + /* + * We cannot check the actual value of KASAN_SHADOW_START during build, + * as it depends on vabits_actual. As a best-effort approach, check + * potential values calculated based on VA_BITS and VA_BITS_MIN. + */ BUILD_BUG_ON(!IS_ALIGNED(_KASAN_SHADOW_START(VA_BITS), PGDIR_SIZE)); BUILD_BUG_ON(!IS_ALIGNED(_KASAN_SHADOW_START(VA_BITS_MIN), PGDIR_SIZE)); BUILD_BUG_ON(!IS_ALIGNED(KASAN_SHADOW_END, PGDIR_SIZE)); |