From c64038c93e171697058d96871f87a4438b613662 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= Date: Thu, 14 Oct 2021 16:12:34 +0200 Subject: [PATCH] vdpa: Skip protected ram IOMMU mappings MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Following the logic of commit 56918a126ae ("memory: Add RAM_PROTECTED flag to skip IOMMU mappings") with VFIO, skip memory sections inaccessible via normal mechanisms, including DMA. Signed-off-by: Eugenio Pérez Acked-by: Jason Wang Message-Id: <20211014141236.923287-2-eperezma@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Stefano Garzarella --- hw/virtio/vhost-vdpa.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c index 47d7a5a23d..ea1aa71ad8 100644 --- a/hw/virtio/vhost-vdpa.c +++ b/hw/virtio/vhost-vdpa.c @@ -28,6 +28,7 @@ static bool vhost_vdpa_listener_skipped_section(MemoryRegionSection *section) { return (!memory_region_is_ram(section->mr) && !memory_region_is_iommu(section->mr)) || + memory_region_is_protected(section->mr) || /* vhost-vDPA doesn't allow MMIO to be mapped */ memory_region_is_ram_device(section->mr) || /*