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Subject: Re: [virtio-comment] [PATCH 5/5] virtio-pci: implement VIRTIO_F_QUEUE_STATE
On Wed, Sep 13, 2023 at 4:28âPM Michael S. Tsirkin <mst@redhat.com> wrote: > > On Wed, Sep 13, 2023 at 12:45:21PM +0800, Jason Wang wrote: > > For example, KVM doesn't use > > hardware to log dirty pages. > > It uses a mix of PML, PTE bit and EPT write protection. Well EPT/PML is Intel specific, the minimal requirement is page fault. The logging is done by software anyhow. Virtio can choose to go device page fault for sure. Thanks > > -- > MST >
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