[PATCH hyperv-next v6 05/11] arm64: hyperv: Initialize the Virtual Trust Level field
Roman Kisel
romank at linux.microsoft.com
Fri Mar 14 17:19:25 PDT 2025
Various parts of the hyperv code need to know what VTL
the kernel runs at, most notably VMBus needs that to
establish communication with the host.
Initialize the Virtual Trust Level field to enable
booting in the Virtual Trust Level.
Signed-off-by: Roman Kisel <romank at linux.microsoft.com>
Reviewed-by: Michael Kelley <mhklinux at outlook.com>
---
arch/arm64/hyperv/mshyperv.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/hyperv/mshyperv.c b/arch/arm64/hyperv/mshyperv.c
index c5b03d3af7c5..f251a08ada5b 100644
--- a/arch/arm64/hyperv/mshyperv.c
+++ b/arch/arm64/hyperv/mshyperv.c
@@ -109,6 +109,7 @@ static int __init hyperv_init(void)
if (ms_hyperv.priv_high & HV_ACCESS_PARTITION_ID)
hv_get_partition_id();
+ ms_hyperv.vtl = get_vtl();
ms_hyperv_late_init();
--
2.43.0
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