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authorShivaprasad G Bhat <sbhat@linux.ibm.com>2024-06-05 13:07:27 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2024-06-06 22:39:04 +1000
commit1e97c1eb785fe2dc863c2bd570030d6fcf4b5e5b (patch)
treec480b68ea31dc5f8aec08dfc65ef82e10334f71b
parente9eb790b25577a15d3f450ed585c59048e4e6c44 (diff)
KVM: PPC: Book3S HV nestedv2: Keep nested guest HASHKEYR in sync
The nestedv2 APIs has the guest state element defined for HASHKEYR for the save-restore with L0. However, its ignored in the code. The patch takes care of this for the HASHKEYR GSID. Signed-off-by: Shivaprasad G Bhat <sbhat@linux.ibm.com> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/171759284380.1480.15665015792935543933.stgit@linux.ibm.com
-rw-r--r--arch/powerpc/kvm/book3s_hv_nestedv2.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_nestedv2.c b/arch/powerpc/kvm/book3s_hv_nestedv2.c
index 3879cae7d142..606e4fbc36d9 100644
--- a/arch/powerpc/kvm/book3s_hv_nestedv2.c
+++ b/arch/powerpc/kvm/book3s_hv_nestedv2.c
@@ -196,6 +196,9 @@ static int gs_msg_ops_vcpu_fill_info(struct kvmppc_gs_buff *gsb,
case KVMPPC_GSID_DEXCR:
rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.dexcr);
break;
+ case KVMPPC_GSID_HASHKEYR:
+ rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.hashkeyr);
+ break;
case KVMPPC_GSID_CIABR:
rc = kvmppc_gse_put_u64(gsb, iden, vcpu->arch.ciabr);
break;
@@ -451,6 +454,9 @@ static int gs_msg_ops_vcpu_refresh_info(struct kvmppc_gs_msg *gsm,
case KVMPPC_GSID_DEXCR:
vcpu->arch.dexcr = kvmppc_gse_get_u64(gse);
break;
+ case KVMPPC_GSID_HASHKEYR:
+ vcpu->arch.hashkeyr = kvmppc_gse_get_u64(gse);
+ break;
case KVMPPC_GSID_CIABR:
vcpu->arch.ciabr = kvmppc_gse_get_u64(gse);
break;