Commit 37e41afa authored Jul 11, 2012 by Avi Kivity

linux-2.6

PPC fix from Alex Graf: "It contains an important bug fix which
can lead to guest freezes when using PAPR guests with PR KVM."

* 'for-upstream-master' of git://github.com/agraf/linux-2.6

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

Signed-off-by: Avi Kivity <avi@redhat.com>

parents a76beb14 1dee7a3d

arch/powerpc/kvm/book3s_pr_papr.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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++;