X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Farch-x86_64.h;h=3ea8070ee619b9bf22476da4d54e792d8bf4c269;hb=8e239cae8aae89f07a885ffcc985600ce9c65d5d;hp=4f75addc1be14fd35d46e9631a57b50978bb6023;hpb=36ddbc093ed56f510645b4021cea74b2e0d1401b;p=fio.git

diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h
index 4f75addc..3ea8070e 100644
--- a/arch/arch-x86_64.h
+++ b/arch/arch-x86_64.h
@@ -29,13 +29,26 @@
 
 #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 int arch_ffz(unsigned int bitmask)
 {
-	__asm__("bsfq %1,%0" :"=r" (bitmask) :"r" (~bitmask));
+	__asm__("bsfl %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_SSE
+#define ARCH_HAVE_CPU_CLOCK
 
 #endif