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powerpc/kvm: Fix "PR" KVM implementation of H_CEDE

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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>
This commit is contained in:
Benjamin Herrenschmidt 2012-07-09 22:48:17 +00:00 committed by Alexander Graf
parent 85b7059169
commit 1dee7a3dc8
1 changed files with 1 additions and 0 deletions
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arch/powerpc/kvm/book3s_pr_papr.c
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@ -241,6 +241,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd)
case H_PUT_TCE: case H_PUT_TCE:
return kvmppc_h_pr_put_tce(vcpu); return kvmppc_h_pr_put_tce(vcpu);
case H_CEDE: case H_CEDE:
vcpu->arch.shared->msr |= MSR_EE;
kvm_vcpu_block(vcpu); kvm_vcpu_block(vcpu);
clear_bit(KVM_REQ_UNHALT, &vcpu->requests); clear_bit(KVM_REQ_UNHALT, &vcpu->requests);
vcpu->stat.halt_wakeup++; vcpu->stat.halt_wakeup++;