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-rw-r--r--arch/x86/include/uapi/asm/hyperv.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h
index 099414345865d..6c0c3a3b631cd 100644
--- a/arch/x86/include/uapi/asm/hyperv.h
+++ b/arch/x86/include/uapi/asm/hyperv.h
@@ -77,6 +77,9 @@
/* Crash MSR available */
#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE (1 << 10)
+/* stimer Direct Mode is available */
+#define HV_X64_STIMER_DIRECT_MODE_AVAILABLE (1 << 19)
+
/*
* Feature identification: EBX indicates which flags were specified at
* partition creation. The format is the same as the partition creation