tools: KVM: selftests: Convert clear/set_bit() to actual atomics

[sfrench/cifs-2.6.git] / tools / include / asm-generic / bitops / atomic.h

diff --git a/tools/include/asm-generic/bitops/atomic.h b/tools/include/asm-generic/bitops/atomic.h
index f64b049d236c7b4039b559dd75bb762416fc7f82..ab37a221b41a4f448e0e91a9f601f503df5a0a51 100644 (file)
--- a/tools/include/asm-generic/bitops/atomic.h
+++ b/tools/include/asm-generic/bitops/atomic.h
@@ -5,14 +5,11 @@
 #include <asm/types.h>
 #include <asm/bitsperlong.h>
 
-static inline void set_bit(unsigned long nr, unsigned long *addr)
-{
-       addr[nr / __BITS_PER_LONG] |= 1UL << (nr % __BITS_PER_LONG);
-}
-
-static inline void clear_bit(unsigned long nr, unsigned long *addr)
-{
-       addr[nr / __BITS_PER_LONG] &= ~(1UL << (nr % __BITS_PER_LONG));
-}
+/*
+ * Just alias the test versions, all of the compiler built-in atomics "fetch",
+ * and optimizing compile-time constants on x86 isn't worth the complexity.
+ */
+#define set_bit test_and_set_bit
+#define clear_bit test_and_clear_bit
 
 #endif /* _TOOLS_LINUX_ASM_GENERIC_BITOPS_ATOMIC_H_ */