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Diffstat (limited to 'sys/include/arch/amd64/msr.h')
-rw-r--r--sys/include/arch/amd64/msr.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/include/arch/amd64/msr.h b/sys/include/arch/amd64/msr.h
index 64a790c..d36548b 100644
--- a/sys/include/arch/amd64/msr.h
+++ b/sys/include/arch/amd64/msr.h
@@ -33,7 +33,8 @@
#include <sys/types.h>
#include <sys/cdefs.h>
-#define IA32_SPEC_CTL 0x00000048
+#define IA32_SPEC_CTL 0x00000048
+#define IA32_KERNEL_GS_BASE 0xC0000102
static inline uint64_t
rdmsr(uint32_t msr_addr)