powerpc/kvm: Fix "PR" KVM implementation of H_CEDE
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Mon, 9 Jul 2012 22:48:17 +0000 (22:48 +0000)
committerAlexander Graf <agraf@suse.de>
Wed, 11 Jul 2012 15:36:38 +0000 (17:36 +0200)
H_CEDE should enable the vcpu's MSR:EE bit. It does on "HV" KVM (it's
burried in the assembly code though) and as far as I can tell, qemu
does it as well.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
arch/powerpc/kvm/book3s_pr_papr.c

index 3ff9013d6e7914e59f2919f5ee5bf685ad7d7797..ee02b30878ed4bec733af6cbd9aa152eefe22d0f 100644 (file)
@@ -241,6 +241,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd)
        case H_PUT_TCE:
                return kvmppc_h_pr_put_tce(vcpu);
        case H_CEDE:
+               vcpu->arch.shared->msr |= MSR_EE;
                kvm_vcpu_block(vcpu);
                clear_bit(KVM_REQ_UNHALT, &vcpu->requests);
                vcpu->stat.halt_wakeup++;