#define nop do { } while (0)
+#ifdef __powerpc64__
+#define read_barrier() \
+ __asm__ __volatile__ ("lwsync" : : : "memory")
+#else
+#define read_barrier() \
+ __asm__ __volatile__ ("sync" : : : "memory")
+#endif
+
static inline int __ilog2(unsigned long bitmask)
{
int lz;
return 31 - lz;
}
-static inline int ffz(unsigned long bitmask)
+static inline int fio_ffz(unsigned long bitmask)
{
if ((bitmask = ~bitmask) == 0)
return 32;