X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Farch-x86.h;h=385a9124ec5ee9ef416201ba6d730b6d3aafd7e1;hb=a2ba41edb1d278237a5990c4860291b35463f231;hp=679ec2816992a3c7fa82a00b520cd24a82a936ca;hpb=67bf982340d95ca98098ea050b54b4c7adb116c0;p=fio.git

diff --git a/arch/arch-x86.h b/arch/arch-x86.h
index 679ec281..385a9124 100644
--- a/arch/arch-x86.h
+++ b/arch/arch-x86.h
@@ -1,6 +1,15 @@
 #ifndef ARCH_X86_H
 #define ARCH_X86_H
 
+static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
+			    unsigned int *ecx, unsigned int *edx)
+{
+	asm volatile("xchgl %%ebx, %1\ncpuid\nxchgl %%ebx, %1"
+		: "=a" (*eax), "=r" (*ebx), "=c" (*ecx), "=d" (*edx)
+		: "0" (*eax)
+		: "memory");
+}
+
 #include "arch-x86-common.h"
 
 #define FIO_ARCH	(arch_i386)
@@ -34,7 +43,7 @@ static inline unsigned long arch_ffz(unsigned long bitmask)
 
 static inline unsigned long long get_cpu_clock(void)
 {
-	unsigned long ret;
+	unsigned long long ret;
 
 	__asm__ __volatile__("rdtsc" : "=A" (ret));
 	return ret;