From patchwork Tue Dec 18 12:38:41 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [2/4] KVM: PPC: Only WARN on invalid emulation Date: Tue, 18 Dec 2012 02:38:41 -0000 From: Alexander Graf X-Patchwork-Id: 207092 Message-Id: <1355834323-27592-3-git-send-email-agraf@suse.de> To: kvm-ppc@vger.kernel.org Cc: KVM list , Marcelo Tosatti , Gleb Natapov When we hit an emulation result that we didn't expect, that is an error, but it's nothing that warrants a BUG(), because it can be guest triggered. So instead, let's only WARN() the user that this happened. Signed-off-by: Alexander Graf --- arch/powerpc/kvm/powerpc.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index be83fca..e2225e5 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -237,7 +237,8 @@ int kvmppc_emulate_mmio(struct kvm_run *run, struct kvm_vcpu *vcpu) r = RESUME_HOST; break; default: - BUG(); + WARN_ON(1); + r = RESUME_GUEST; } return r;