x86: fixup cpuid for some odd (android) 32-bit variants

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

diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h
index cea0451d8ba6f3788e7658508a27863f494ac590..8bdf01e84dd2a3558c3f2eee6a98f2d17176750c 100644 (file)
--- a/arch/arch-x86_64.h
+++ b/arch/arch-x86_64.h
@@ -1,6 +1,15 @@
 #ifndef ARCH_X86_64_h
 #define ARCH_X86_64_h
 
+static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
+                           unsigned int *ecx, unsigned int *edx)
+{
+       asm volatile("cpuid"
+               : "=a" (*eax), "=b" (*ebx), "=r" (*ecx), "=d" (*edx)
+               : "0" (*eax), "2" (*ecx)
+               : "memory");
+}
+
 #include "arch-x86-common.h"
 
 #define FIO_ARCH       (arch_x86_64)