[PATCH 07/12] KVM: SEV: move mirror status to destination of KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM

From: Paolo Bonzini
Date: Mon Nov 22 2021 - 19:51:14 EST


Allow intra-host migration of a mirror VM; the destination VM will be
a mirror of the same ASID as the source.

Fixes: b56639318bb2 ("KVM: SEV: Add support for SEV intra host migration")
Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
---
arch/x86/kvm/svm/sev.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index dc974c1728b6..c1eb1c83401d 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -1616,11 +1616,13 @@ static void sev_migrate_from(struct kvm_sev_info *dst,
dst->asid = src->asid;
dst->handle = src->handle;
dst->pages_locked = src->pages_locked;
+ dst->enc_context_owner = src->enc_context_owner;

src->asid = 0;
src->active = false;
src->handle = 0;
src->pages_locked = 0;
+ src->enc_context_owner = NULL;

list_cut_before(&dst->regions_list, &src->regions_list, &src->regions_list);
}
--
2.27.0