From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Graf Date: Wed, 17 Apr 2013 19:04:07 +0000 Subject: [PATCH 3/3] kvm/ppc: don't call complete_mmio_load when it's a store Message-Id: <1366225447-24008-4-git-send-email-agraf@suse.de> List-Id: References: <1366225447-24008-1-git-send-email-agraf@suse.de> In-Reply-To: <1366225447-24008-1-git-send-email-agraf@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kvm-ppc@vger.kernel.org Cc: "kvm@vger.kernel.org mailing list" , Marcelo Tosatti , Gleb Natapov , Scott Wood From: Scott Wood complete_mmio_load writes back the mmio result into the destination register. Doing this on a store results in register corruption. Signed-off-by: Scott Wood Signed-off-by: Alexander Graf --- arch/powerpc/kvm/powerpc.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 16b4595..a822659 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -683,7 +683,6 @@ int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu, if (!kvm_io_bus_write(vcpu->kvm, KVM_MMIO_BUS, run->mmio.phys_addr, bytes, &run->mmio.data)) { - kvmppc_complete_mmio_load(vcpu, run); vcpu->mmio_needed = 0; return EMULATE_DONE; } -- 1.6.0.2