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-rw-r--r--pkg/sentry/platform/ring0/kernel_amd64.go2
-rw-r--r--pkg/sentry/platform/ring0/x86.go1
2 files changed, 2 insertions, 1 deletions
diff --git a/pkg/sentry/platform/ring0/kernel_amd64.go b/pkg/sentry/platform/ring0/kernel_amd64.go
index c82613a9c..76ba65b3f 100644
--- a/pkg/sentry/platform/ring0/kernel_amd64.go
+++ b/pkg/sentry/platform/ring0/kernel_amd64.go
@@ -149,7 +149,7 @@ func (c *CPU) CR4() uint64 {
//
//go:nosplit
func (c *CPU) EFER() uint64 {
- return _EFER_LME | _EFER_SCE | _EFER_NX
+ return _EFER_LME | _EFER_LMA | _EFER_SCE | _EFER_NX
}
// IsCanonical indicates whether addr is canonical per the amd64 spec.
diff --git a/pkg/sentry/platform/ring0/x86.go b/pkg/sentry/platform/ring0/x86.go
index e16f6c599..74b140066 100644
--- a/pkg/sentry/platform/ring0/x86.go
+++ b/pkg/sentry/platform/ring0/x86.go
@@ -46,6 +46,7 @@ const (
_EFER_SCE = 0x001
_EFER_LME = 0x100
+ _EFER_LMA = 0x400
_EFER_NX = 0x800
_MSR_STAR = 0xc0000081