AcoSail/kernel_optimize_test
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KVM: Fix compound mmio

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mmio_index should be taken into account when copying data from
userspace.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2011-04-12 12:36:24 +03:00 committed by Avi Kivity
parent 4947e7cd0e
commit 0004c7c257
1 changed files with 2 additions and 1 deletions
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3
arch/x86/kvm/x86.c
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@ -5576,7 +5576,8 @@ static int complete_mmio(struct kvm_vcpu *vcpu)
if (vcpu->mmio_needed) {
vcpu->mmio_needed = 0;
if (!vcpu->mmio_is_write)
memcpy(vcpu->mmio_data, run->mmio.data, 8);
memcpy(vcpu->mmio_data + vcpu->mmio_index,
run->mmio.data, 8);
vcpu->mmio_index += 8;
if (vcpu->mmio_index < vcpu->mmio_size) {
run->exit_reason = KVM_EXIT_MMIO;