The new capability VFIO_DIRTY_LOG_MANUAL_CLEAR and the new ioctl VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP_NOCLEAR and VFIO_IOMMU_DIRTY_PAGES_FLAG_CLEAR_BITMAP have been introduced in the kernel, tweak the userspace side to use them. Check if the kernel supports VFIO_DIRTY_LOG_MANUAL_CLEAR and provide the log_clear() hook for vfio_memory_listener. If the kernel supports it, deliever the clear message to kernel. Signed-off-by: Zenghui Yu <yuzenghui@huawei.com> Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
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