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arm64: hyperv: Initialize the Virtual Trust Level field

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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>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Link: https://lore.kernel.org/r/20250428210742.435282-6-romank@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Message-ID: <20250428210742.435282-6-romank@linux.microsoft.com>
This commit is contained in:
Roman Kisel 2025-04-28 14:07:36 -07:00 • committed by Wei Liu
parent e7e6902fbd
commit 1f5538a8e2
1 changed files with 1 additions and 0 deletions
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arch/arm64/hyperv/mshyperv.c
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@ -117,6 +117,7 @@ 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();