powerpc: harden the clock ATB probe a bit

[fio.git] / arch / arch-x86_64.h

diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h
index fabdb9ad923db49458417994ef428b1bf3d9499e..cea0451d8ba6f3788e7658508a27863f494ac590 100644 (file)
--- a/arch/arch-x86_64.h
+++ b/arch/arch-x86_64.h
@@ -1,7 +1,9 @@
 #ifndef ARCH_X86_64_h
 #define ARCH_X86_64_h
 
-#define ARCH   (arch_x86_64)
+#include "arch-x86-common.h"
+
+#define FIO_ARCH       (arch_x86_64)
 
 #ifndef __NR_ioprio_set
 #define __NR_ioprio_set                251
@@ -18,24 +20,28 @@
 #define __NR_sys_vmsplice      278
 #endif
 
-#ifndef __NR_async_exec
-#define __NR_async_exec                280
-#define __NR_async_wait                281
-#define __NR_umem_add          282
-#define __NR_async_thread      283
-#endif
-
 #define        FIO_HUGE_PAGE           2097152
 
-#define FIO_HAVE_SYSLET
-
-#define nop    __asm__ __volatile__("rep;nop": : :"memory")
+#define nop            __asm__ __volatile__("rep;nop": : :"memory")
+#define read_barrier() __asm__ __volatile__("lfence":::"memory")
+#define write_barrier()        __asm__ __volatile__("sfence":::"memory")
 
-static inline unsigned long fio_ffz(unsigned long bitmask)
+static inline unsigned long arch_ffz(unsigned long bitmask)
 {
-       __asm__("bsfq %1,%0" :"=r" (bitmask) :"r" (~bitmask));
+       __asm__("bsf %1,%0" :"=r" (bitmask) :"r" (~bitmask));
        return bitmask;
 }
 
+static inline unsigned long long get_cpu_clock(void)
+{
+       unsigned int lo, hi;
+
+       __asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
+       return ((unsigned long long) hi << 32ULL) | lo;
+}
+
+#define ARCH_HAVE_FFZ
+#define ARCH_HAVE_SSE4_2
+#define ARCH_HAVE_CPU_CLOCK
 
 #endif