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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 13:59:14 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 13:59:14 -0800
commit69734b644bf19f20d2989e1a8e5bf59c837ee5c1 (patch)
treeb1afd22d6e84db04516e466c223d67c1c340e6d9 /arch/x86/include/asm/cmpxchg_64.h
parent67b0243131150391125d8d0beb5359d7aec78b55 (diff)
parentceb7b40b65539a771d1bfaf47660ac0ee57e0c4f (diff)
downloadlinux-69734b644bf19f20d2989e1a8e5bf59c837ee5c1.tar.gz
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  x86: Fix atomic64_xxx_cx8() functions
  x86: Fix and improve cmpxchg_double{,_local}()
  x86_64, asm: Optimise fls(), ffs() and fls64()
  x86, bitops: Move fls64.h inside __KERNEL__
  x86: Fix and improve percpu_cmpxchg{8,16}b_double()
  x86: Report cpb and eff_freq_ro flags correctly
  x86/i386: Use less assembly in strlen(), speed things up a bit
  x86: Use the same node_distance for 32 and 64-bit
  x86: Fix rflags in FAKE_STACK_FRAME
  x86: Clean up and extend do_int3()
  x86: Call do_notify_resume() with interrupts enabled
  x86/div64: Add a micro-optimization shortcut if base is power of two
  x86-64: Cleanup some assembly entry points
  x86-64: Slightly shorten line system call entry and exit paths
  x86-64: Reduce amount of redundant code generated for invalidate_interruptNN
  x86-64: Slightly shorten int_ret_from_sys_call
  x86, efi: Convert efi_phys_get_time() args to physical addresses
  x86: Default to vsyscall=emulate
  x86-64: Set siginfo and context on vsyscall emulation faults
  x86: consolidate xchg and xadd macros
  ...
Diffstat (limited to 'arch/x86/include/asm/cmpxchg_64.h')
-rw-r--r--arch/x86/include/asm/cmpxchg_64.h43
1 files changed, 0 insertions, 43 deletions
diff --git a/arch/x86/include/asm/cmpxchg_64.h b/arch/x86/include/asm/cmpxchg_64.h
index 285da02c38fa..614be87f1a9b 100644
--- a/arch/x86/include/asm/cmpxchg_64.h
+++ b/arch/x86/include/asm/cmpxchg_64.h
@@ -20,49 +20,6 @@ static inline void set_64bit(volatile u64 *ptr, u64 val)
 	cmpxchg_local((ptr), (o), (n));					\
 })
 
-#define cmpxchg16b(ptr, o1, o2, n1, n2)				\
-({								\
-	char __ret;						\
-	__typeof__(o2) __junk;					\
-	__typeof__(*(ptr)) __old1 = (o1);			\
-	__typeof__(o2) __old2 = (o2);				\
-	__typeof__(*(ptr)) __new1 = (n1);			\
-	__typeof__(o2) __new2 = (n2);				\
-	asm volatile(LOCK_PREFIX "cmpxchg16b %2;setz %1"	\
-		       : "=d"(__junk), "=a"(__ret), "+m" (*ptr)	\
-		       : "b"(__new1), "c"(__new2),		\
-		         "a"(__old1), "d"(__old2));		\
-	__ret; })
-
-
-#define cmpxchg16b_local(ptr, o1, o2, n1, n2)			\
-({								\
-	char __ret;						\
-	__typeof__(o2) __junk;					\
-	__typeof__(*(ptr)) __old1 = (o1);			\
-	__typeof__(o2) __old2 = (o2);				\
-	__typeof__(*(ptr)) __new1 = (n1);			\
-	__typeof__(o2) __new2 = (n2);				\
-	asm volatile("cmpxchg16b %2;setz %1"			\
-		       : "=d"(__junk), "=a"(__ret), "+m" (*ptr)	\
-		       : "b"(__new1), "c"(__new2),		\
-		         "a"(__old1), "d"(__old2));		\
-	__ret; })
-
-#define cmpxchg_double(ptr, o1, o2, n1, n2)				\
-({									\
-	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
-	VM_BUG_ON((unsigned long)(ptr) % 16);				\
-	cmpxchg16b((ptr), (o1), (o2), (n1), (n2));			\
-})
-
-#define cmpxchg_double_local(ptr, o1, o2, n1, n2)			\
-({									\
-	BUILD_BUG_ON(sizeof(*(ptr)) != 8);				\
-	VM_BUG_ON((unsigned long)(ptr) % 16);				\
-	cmpxchg16b_local((ptr), (o1), (o2), (n1), (n2));		\
-})
-
 #define system_has_cmpxchg_double() cpu_has_cx16
 
 #endif /* _ASM_X86_CMPXCHG_64_H */