summaryrefslogtreecommitdiff
path: root/include/linux/bitops.h
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2024-05-15 07:29:56 -0700
committerJakub Kicinski <kuba@kernel.org>2024-05-15 07:30:49 -0700
commit621cde16e49b3ecf7d59a8106a20aaebfb4a59a9 (patch)
treebb4b8e255e276950c8d9502998f83a7f4f5bf5e9 /include/linux/bitops.h
parent317a215d493230da361028ea8a4675de334bfa1a (diff)
parent1b294a1f35616977caddaddf3e9d28e576a1adbc (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Cross merge. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/bitops.h')
-rw-r--r--include/linux/bitops.h23
1 files changed, 7 insertions, 16 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 2ba557e067fe..b25dc8742124 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -21,6 +21,8 @@
#define BITS_TO_U32(nr) __KERNEL_DIV_ROUND_UP(nr, BITS_PER_TYPE(u32))
#define BITS_TO_BYTES(nr) __KERNEL_DIV_ROUND_UP(nr, BITS_PER_TYPE(char))
+#define BYTES_TO_BITS(nb) ((nb) * BITS_PER_BYTE)
+
extern unsigned int __sw_hweight8(unsigned int w);
extern unsigned int __sw_hweight16(unsigned int w);
extern unsigned int __sw_hweight32(unsigned int w);
@@ -80,6 +82,7 @@ __check_bitop_pr(__test_and_set_bit);
__check_bitop_pr(__test_and_clear_bit);
__check_bitop_pr(__test_and_change_bit);
__check_bitop_pr(test_bit);
+__check_bitop_pr(test_bit_acquire);
#undef __check_bitop_pr
@@ -272,23 +275,11 @@ static inline unsigned long fns(unsigned long word, unsigned int n)
* @addr: the address to start counting from
* @value: the value to assign
*/
-static __always_inline void assign_bit(long nr, volatile unsigned long *addr,
- bool value)
-{
- if (value)
- set_bit(nr, addr);
- else
- clear_bit(nr, addr);
-}
+#define assign_bit(nr, addr, value) \
+ ((value) ? set_bit((nr), (addr)) : clear_bit((nr), (addr)))
-static __always_inline void __assign_bit(long nr, volatile unsigned long *addr,
- bool value)
-{
- if (value)
- __set_bit(nr, addr);
- else
- __clear_bit(nr, addr);
-}
+#define __assign_bit(nr, addr, value) \
+ ((value) ? __set_bit((nr), (addr)) : __clear_bit((nr), (addr)))
/**
* __ptr_set_bit - Set bit in a pointer's value