aboutsummaryrefslogtreecommitdiff
path: root/include/asm-x86_64/processor.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86_64/processor.h')
-rw-r--r--include/asm-x86_64/processor.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 85549e656ee..194160f6a43 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -437,6 +437,11 @@ static inline void prefetchw(void *x)
outb((data), 0x23); \
} while (0)
+static inline void serialize_cpu(void)
+{
+ __asm__ __volatile__ ("cpuid" : : : "ax", "bx", "cx", "dx");
+}
+
static inline void __monitor(const void *eax, unsigned long ecx,
unsigned long edx)
{