diff options
| author | Mark Johnston <markj@FreeBSD.org> | 2025-10-22 14:04:46 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2025-10-22 14:04:46 +0000 |
| commit | 3e9ad70a30d93fc8bc759af7ec57aaa7e0b2d4f6 (patch) | |
| tree | 76cf032b6567e6d274f1d1689c76061dcf583033 | |
| parent | 5f2df8f83128adbd2cf22050ca078f2e46bbb227 (diff) | |
linuxkpi: Fix the definition of BITS_PER_LONG
Don't use __LP64__ to decide the value, as it gives the wrong result on CHERI platforms. Just define it in terms of __SIZEOF_LONG__. Make a similar adjustment for BITS_PER_LONG_LONG while here. Reviewed by: bz, dumbbell, emaste MFC after: 1 week Sponsored by: CHERI Research Centre (EPSRC grant UKRI3001) Differential Revision:https://reviews.freebsd.org/D53135
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/bitops.h | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/bitops.h b/sys/compat/linuxkpi/common/include/linux/bitops.h index 00dd1f9a1ec0..a5a7abd55287 100644 --- a/sys/compat/linuxkpi/common/include/linux/bitops.h +++ b/sys/compat/linuxkpi/common/include/linux/bitops.h @@ -37,13 +37,8 @@ #define BIT(nr) (1UL << (nr)) #define BIT_ULL(nr) (1ULL << (nr)) -#ifdef __LP64__ -#define BITS_PER_LONG 64 -#else -#define BITS_PER_LONG 32 -#endif - -#define BITS_PER_LONG_LONG 64 +#define BITS_PER_LONG (__SIZEOF_LONG__ * __CHAR_BIT__) +#define BITS_PER_LONG_LONG (__SIZEOF_LONG_LONG__ * __CHAR_BIT__) #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) % BITS_PER_LONG)) #define BITMAP_LAST_WORD_MASK(n) (~0UL >> (BITS_PER_LONG - (n))) |