kvm/ppc: don't call complete_mmio_load when it's a store
authorScott Wood <scottwood@freescale.com>
Mon, 15 Apr 2013 15:07:11 +0000 (15:07 +0000)
committerAlexander Graf <agraf@suse.de>
Wed, 17 Apr 2013 13:21:16 +0000 (15:21 +0200)
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 <scottwood@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
arch/powerpc/kvm/powerpc.c

index 16b45954511c708c29e0d6b94c584ea41b8e96ca..a822659db50aaf61d7c686c4386ad1c734161c76 100644 (file)
@@ -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;
        }