kmsan doesn't know about inline assembly, obviously; this will close a ton of syzbot bugs.
Signed-off-by: Kent Overstreet <[email protected]> --- fs/bcachefs/util.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h index d41e133acc4d..7d921fc920a0 100644 --- a/fs/bcachefs/util.h +++ b/fs/bcachefs/util.h @@ -431,7 +431,7 @@ static inline void memcpy_u64s_small(void *dst, const void *src, static inline void __memcpy_u64s(void *dst, const void *src, unsigned u64s) { -#ifdef CONFIG_X86_64 +#if defined(CONFIG_X86_64) && !defined(CONFIG_KMSAN) long d0, d1, d2; asm volatile("rep ; movsq" @@ -508,7 +508,7 @@ static inline void __memmove_u64s_up(void *_dst, const void *_src, u64 *dst = (u64 *) _dst + u64s - 1; u64 *src = (u64 *) _src + u64s - 1; -#ifdef CONFIG_X86_64 +#if defined(CONFIG_X86_64) && !defined(CONFIG_KMSAN) long d0, d1, d2; asm volatile("std ;\n" -- 2.49.0
