ffz() takes ints, so change the file_map to being int based

[fio.git] / arch / arch-ppc.h

diff --git a/arch/arch-ppc.h b/arch/arch-ppc.h
index 8bfed5979bf2f77ad7f7806e3464a486eeec05a3..4d7710520dc06574c64f74793551d85842cd4b8b 100644 (file)
--- a/arch/arch-ppc.h
+++ b/arch/arch-ppc.h
@@ -20,19 +20,12 @@
 
 #define nop    do { } while (0)
 
-static inline int __ilog2(unsigned long bitmask)
-{
-       int lz;
-
-       asm ("cntlzw %0,%1" : "=r" (lz) : "r" (bitmask));
-       return 31 - lz;
-}
-
-static inline int ffz(unsigned long bitmask)
-{
-       if ((bitmask = ~bitmask) == 0)
-               return 32;
-       return  __ilog2(bitmask & -bitmask);
-}
+#ifdef __powerpc64__
+#define read_barrier() \
+       __asm__ __volatile__ ("lwsync" : : : "memory")
+#else
+#define read_barrier() \
+       __asm__ __volatile__ ("sync" : : : "memory")
+#endif
 
 #endif