If the HV told us we can fully trust the TSC, skip any
correction
Signed-off-by: Glauber Costa<glommer@xxxxxxxxxx>
---
arch/x86/include/asm/kvm_para.h | 5 +++++
arch/x86/include/asm/pvclock-abi.h | 1 +
arch/x86/kernel/kvmclock.c | 3 +++
arch/x86/kernel/pvclock.c | 4 ++++
4 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index f019f8c..6f1b878 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -21,6 +21,11 @@
*/
#define KVM_FEATURE_CLOCKSOURCE2 3
+/* The last 8 bits are used to indicate how to interpret the flags field
+ * in pvclock structure. If no bits are set, all flags are ignored.
+ */
+#define KVM_FEATURE_CLOCKSOURCE_STABLE_TSC 24