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[hyperv-next,v5,05/11] arm64: hyperv: Initialize the Virtual Trust Level field

Message ID 20250307220304.247725-6-romank@linux.microsoft.com (mailing list archive)
State New
Headers show
Series arm64: hyperv: Support Virtual Trust Level Boot | expand

Commit Message

Roman Kisel March 7, 2025, 10:02 p.m. UTC 
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@linux.microsoft.com>
---
 arch/arm64/hyperv/mshyperv.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arm64/hyperv/mshyperv.c b/arch/arm64/hyperv/mshyperv.c
index c647db56fd6b..a7db03f5413d 100644
--- a/arch/arm64/hyperv/mshyperv.c
+++ b/arch/arm64/hyperv/mshyperv.c
@@ -107,6 +107,7 @@  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();