drivers: hv: Mark percpu hvcall input arg page unencrypted in SEV-SNP enlightened guest

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Hypervisor needs to access input arg, VMBus synic event and
message pages. Mark these pages unencrypted in the SEV-SNP
guest and free them only if they have been marked encrypted
successfully.

Reviewed-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230818102919.1318039-5-ltykernel@gmail.com

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Tianyu Lan 2023-08-18 06:29:14 -04:00 • committed by Wei Liu

parent b13103559d

commit 193061ea0a

2 changed files with 67 additions and 3 deletions

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57

drivers/hv/hv.c

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13

drivers/hv/hv_common.c

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