[RFC PATCH 05/10] KVM: PPC: BOOK3S: PR: Doorbell support
From: Aneesh Kumar K.V <hidden>
Date: 2014-01-28 16:44:38
Also in:
kvm
Subsystem:
kernel virtual machine for powerpc (kvm/powerpc), linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
We don't have SMT support yet, hence we should not find a doorbell message generated Signed-off-by: Aneesh Kumar K.V <redacted> --- arch/powerpc/kvm/book3s_emulate.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index e74dda36ebea..9cf0392e3dcf 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c@@ -28,7 +28,9 @@ #define OP_19_XOP_RFI 50 #define OP_31_XOP_MFMSR 83 +#define OP_31_XOP_MSGSNDP 142 #define OP_31_XOP_MTMSR 146 +#define OP_31_XOP_MSGCLRP 174 #define OP_31_XOP_MTMSRD 178 #define OP_31_XOP_MTSR 210 #define OP_31_XOP_MTSRIN 242
@@ -286,6 +288,22 @@ int kvmppc_core_emulate_op_pr(struct kvm_run *run, struct kvm_vcpu *vcpu, break; } + case OP_31_XOP_MSGSNDP: + { + /* + * PR KVM still don't support SMT mode. So we should + * not see a MSGSNDP/MSGCLRP used with PR KVM + */ + pr_info("KVM: MSGSNDP used in non SMT case\n"); + emulated = EMULATE_FAIL; + break; + } + case OP_31_XOP_MSGCLRP: + { + pr_info"KVM: MSGCLRP used in non SMT case\n"); + emulated = EMULATE_FAIL; + break; + } default: emulated = EMULATE_FAIL; }
--
1.8.5.3