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author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2019-07-23 10:44:15 +0300 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2019-07-23 14:44:18 +0300 |
commit | bdd50d7421b2f8fd99f953e1f747e0cb3f3bed64 (patch) | |
tree | f97d1f9a15755293d7c2838328165bef9289a8e0 | |
parent | f240652b6032b48ad7fa35c5e701cc4c8d697c0b (diff) | |
download | linux-bdd50d7421b2f8fd99f953e1f747e0cb3f3bed64.tar.xz |
x86/bitops: Use __builtin_constant_p() directly instead of IS_IMMEDIATE()
__builtin_constant_p(nr) is used everywhere now. It does not make much
sense to define IS_IMMEDIATE() as its alias.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190723074415.26811-1-yamada.masahiro@socionext.com
-rw-r--r-- | arch/x86/include/asm/bitops.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h index ba15d53c1ca7..7d1f6a49bfae 100644 --- a/arch/x86/include/asm/bitops.h +++ b/arch/x86/include/asm/bitops.h @@ -45,14 +45,13 @@ * We do the locked ops that don't return the old value as * a mask operation on a byte. */ -#define IS_IMMEDIATE(nr) (__builtin_constant_p(nr)) #define CONST_MASK_ADDR(nr, addr) WBYTE_ADDR((void *)(addr) + ((nr)>>3)) #define CONST_MASK(nr) (1 << ((nr) & 7)) static __always_inline void arch_set_bit(long nr, volatile unsigned long *addr) { - if (IS_IMMEDIATE(nr)) { + if (__builtin_constant_p(nr)) { asm volatile(LOCK_PREFIX "orb %1,%0" : CONST_MASK_ADDR(nr, addr) : "iq" ((u8)CONST_MASK(nr)) @@ -72,7 +71,7 @@ arch___set_bit(long nr, volatile unsigned long *addr) static __always_inline void arch_clear_bit(long nr, volatile unsigned long *addr) { - if (IS_IMMEDIATE(nr)) { + if (__builtin_constant_p(nr)) { asm volatile(LOCK_PREFIX "andb %1,%0" : CONST_MASK_ADDR(nr, addr) : "iq" ((u8)~CONST_MASK(nr))); @@ -123,7 +122,7 @@ arch___change_bit(long nr, volatile unsigned long *addr) static __always_inline void arch_change_bit(long nr, volatile unsigned long *addr) { - if (IS_IMMEDIATE(nr)) { + if (__builtin_constant_p(nr)) { asm volatile(LOCK_PREFIX "xorb %1,%0" : CONST_MASK_ADDR(nr, addr) : "iq" ((u8)CONST_MASK(nr))); |