From 2d6be3ca3276ab30fb14f285d400461a718d45e7 Mon Sep 17 00:00:00 2001 From: Shivaprasad G Bhat Date: Wed, 5 Jun 2024 13:07:04 +0000 Subject: [PATCH] KVM: PPC: Book3S HV nestedv2: Keep nested guest DEXCR in sync The nestedv2 APIs has the guest state element defined for DEXCR for the save-restore with L0. However, its ignored in the code. The patch takes care of this for the DEXCR GSID. Signed-off-by: Shivaprasad G Bhat Reviewed-by: Nicholas Piggin Signed-off-by: Michael Ellerman Link: https://msgid.link/171759281060.1480.654592298305141881.stgit@linux.ibm.com --- arch/powerpc/kvm/book3s_hv_nestedv2.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/kvm/book3s_hv_nestedv2.c b/arch/powerpc/kvm/book3s_hv_nestedv2.c index 342f583147709..3879cae7d142f 100644 --- a/arch/powerpc/kvm/book3s_hv_nestedv2.c +++ b/arch/powerpc/kvm/book3s_hv_nestedv2.c @@ -193,6 +193,9 @@ static int gs_msg_ops_vcpu_fill_info(struct kvmppc_gs_buff *gsb, case KVMPPC_GSID_DAWRX1: rc = kvmppc_gse_put_u32(gsb, iden, vcpu->arch.dawrx1); break; + case KVMPPC_GSID_DEXCR: + rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.dexcr); + break; case KVMPPC_GSID_CIABR: rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.ciabr); break; @@ -445,6 +448,9 @@ static int gs_msg_ops_vcpu_refresh_info(struct kvmppc_gs_msg *gsm, case KVMPPC_GSID_DAWRX1: vcpu->arch.dawrx1 = kvmppc_gse_get_u32(gse); break; + case KVMPPC_GSID_DEXCR: + vcpu->arch.dexcr = kvmppc_gse_get_u64(gse); + break; case KVMPPC_GSID_CIABR: vcpu->arch.ciabr = kvmppc_gse_get_u64(gse); break;