From: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Date: Tue, 29 Apr 2008 16:18:23 +0000 (+0200)
Subject: KVM: ppc: deliver INTERRUPT_FP_UNAVAIL to the guest
X-Git-Tag: v2.6.26-rc2~80^2~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de368dceb33c3c068dbde1407aff75cd8e126f04;p=linux-2.6

KVM: ppc: deliver INTERRUPT_FP_UNAVAIL to the guest

This patch adds the delivery of INTERRUPT_FP_UNAVAIL exceptions to the guest.
It's needed if a guest uses ppc binaries using the Floating point instructions.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Acked-by: Hollis Blanchard <hollisb@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---

diff --git a/arch/powerpc/kvm/booke_guest.c b/arch/powerpc/kvm/booke_guest.c
index b3db6f4576..712d89a28c 100644
--- a/arch/powerpc/kvm/booke_guest.c
+++ b/arch/powerpc/kvm/booke_guest.c
@@ -339,6 +339,11 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		}
 		break;
 
+	case BOOKE_INTERRUPT_FP_UNAVAIL:
+		kvmppc_queue_exception(vcpu, exit_nr);
+		r = RESUME_GUEST;
+		break;
+
 	case BOOKE_INTERRUPT_DATA_STORAGE:
 		vcpu->arch.dear = vcpu->arch.fault_dear;
 		vcpu->arch.esr = vcpu->arch.fault_esr;