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[v2,8/8] KVM: PPC: Book3S HV nestedv2: Keep nested guest HASHPKEYR in sync

Message ID 171759286679.1480.17383725118762651985.stgit@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series KVM: PPC: Book3S HV: Nested guest migration fixes | expand

Commit Message

Shivaprasad G Bhat June 5, 2024, 1:07 p.m. UTC 
The nestedv2 APIs has the guest state element defined for HASHPKEYR
for the save-restore with L0. However, its ignored in the code.

The patch takes care of this for the HASHPKEYR GSID.

Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
---
 arch/powerpc/kvm/book3s_hv_nestedv2.c |    6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/arch/powerpc/kvm/book3s_hv_nestedv2.c b/arch/powerpc/kvm/book3s_hv_nestedv2.c
index bbff933f2ccc..ce61cb6fc9b9 100644
--- a/arch/powerpc/kvm/book3s_hv_nestedv2.c
+++ b/arch/powerpc/kvm/book3s_hv_nestedv2.c
@@ -199,6 +199,9 @@  static int gs_msg_ops_vcpu_fill_info(struct kvmppc_gs_buff *gsb,
 		case KVMPPC_GSID_HASHKEYR:
 			rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.hashkeyr);
 			break;
+		case KVMPPC_GSID_HASHPKEYR:
+			rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.hashpkeyr);
+			break;
 		case KVMPPC_GSID_CIABR:
 			rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.ciabr);
 			break;
@@ -453,6 +456,9 @@  static int gs_msg_ops_vcpu_refresh_info(struct kvmppc_gs_msg *gsm,
 		case KVMPPC_GSID_HASHKEYR:
 			vcpu->arch.hashkeyr = kvmppc_gse_get_u64(gse);
 			break;
+		case KVMPPC_GSID_HASHPKEYR:
+			vcpu->arch.hashpkeyr = kvmppc_gse_get_u64(gse);
+			break;
 		case KVMPPC_GSID_CIABR:
 			vcpu->arch.ciabr = kvmppc_gse_get_u64(gse);
 			break;