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Readd the arch ffz functions
[fio.git]
/
arch
/
arch-x86.h
diff --git
a/arch/arch-x86.h
b/arch/arch-x86.h
index 574383a65e0c4ca90ea9a2271b51e2390182f10c..a396c850345ddc8cb90042b34d7d39c723aea4c8 100644
(file)
--- a/
arch/arch-x86.h
+++ b/
arch/arch-x86.h
@@
-19,22
+19,24
@@
#endif
#ifndef __NR_async_exec
#endif
#ifndef __NR_async_exec
-#define __NR_async_exec 32
0
-#define __NR_async_wait 32
1
-#define __NR_umem_add 32
2
-#define __NR_async_thread 32
3
+#define __NR_async_exec 32
5
+#define __NR_async_wait 32
6
+#define __NR_umem_add 32
7
+#define __NR_async_thread 32
8
#endif
#define FIO_HUGE_PAGE 4194304
#define FIO_HAVE_SYSLET
#endif
#define FIO_HUGE_PAGE 4194304
#define FIO_HAVE_SYSLET
-#define nop __asm__ __volatile__("rep;nop": : :"memory")
+#define nop __asm__ __volatile__("rep;nop": : :"memory")
+#define read_barrier() asm volatile ("": : :"memory")
-static inline unsigned long
fio
_ffz(unsigned long bitmask)
+static inline unsigned long
arch
_ffz(unsigned long bitmask)
{
__asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
return bitmask;
}
{
__asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));
return bitmask;
}
+#define ARCH_HAVE_FFZ
#endif
#endif