X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Farch-x86_64.h;h=29e681f2f8533926451e731460b69a499fc0aa53;hb=3c547fe0547c924ca5174d9aa36720ddb441480a;hp=972c623a0bfcd90c043ec776158606e10b93cf60;hpb=8f7e39dd35a40d088a31f33f12402a1eaf31b2c4;p=fio.git

diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h
index 972c623a..29e681f2 100644
--- a/arch/arch-x86_64.h
+++ b/arch/arch-x86_64.h
@@ -1,7 +1,7 @@
 #ifndef ARCH_X86_64_h
 #define ARCH_X86_64_h
 
-#define ARCH	(arch_x86_64)
+#define FIO_ARCH	(arch_x86_64)
 
 #ifndef __NR_ioprio_set
 #define __NR_ioprio_set		251
@@ -30,13 +30,25 @@
 #define FIO_HAVE_SYSLET
 
 #define nop		__asm__ __volatile__("rep;nop": : :"memory")
-#define read_barrier()	asm volatile("lfence":::"memory")
+#define read_barrier()	__asm__ __volatile__("lfence":::"memory")
+#define write_barrier()	__asm__ __volatile__("sfence":::"memory")
 
 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