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-rw-r--r--arch/arm64/hyperv/mshyperv.c2
-rw-r--r--arch/x86/hyperv/hv_vtl.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm64/hyperv/mshyperv.c b/arch/arm64/hyperv/mshyperv.c
index 43f422a7ef34..4fdc26ade1d7 100644
--- a/arch/arm64/hyperv/mshyperv.c
+++ b/arch/arm64/hyperv/mshyperv.c
@@ -118,6 +118,8 @@ static int __init hyperv_init(void)
if (ms_hyperv.priv_high & HV_ACCESS_PARTITION_ID)
hv_get_partition_id();
ms_hyperv.vtl = get_vtl();
+ if (ms_hyperv.vtl > 0) /* non default VTL */
+ pr_info("Linux runs in Hyper-V Virtual Trust Level %d\n", ms_hyperv.vtl);
ms_hyperv_late_init();
diff --git a/arch/x86/hyperv/hv_vtl.c b/arch/x86/hyperv/hv_vtl.c
index 13242ed8ff16..ac3d27a766d5 100644
--- a/arch/x86/hyperv/hv_vtl.c
+++ b/arch/x86/hyperv/hv_vtl.c
@@ -55,7 +55,12 @@ static void __noreturn hv_vtl_restart(char __maybe_unused *cmd)
void __init hv_vtl_init_platform(void)
{
- pr_info("Linux runs in Hyper-V Virtual Trust Level\n");
+ /*
+ * This function is a no-op if the VTL mode is not enabled.
+ * If it is, this function runs if and only the kernel boots in
+ * VTL2 which the x86 hv initialization path makes sure of.
+ */
+ pr_info("Linux runs in Hyper-V Virtual Trust Level %d\n", ms_hyperv.vtl);
x86_platform.realmode_reserve = x86_init_noop;
x86_platform.realmode_init = x86_init_noop;