search for: arch_accept_virtio_featur

Displaying 4 results from an estimated 4 matches for "arch_accept_virtio_featur".

[PATCH v3 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jul 06
1
[PATCH v3 1/1] s390: virtio: let arch accept devices without IOMMU feature
...ed if VERSION_1 has not been > >> negotiated, I think. > > > would be something like: > > - if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) > - return 0; > + if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) { > + ret = arch_accept_virtio_features(dev); > + if (ret) > + dev_warn(&dev->dev, > + "virtio: device must provide > VIRTIO_F_VERSION_1\n"); > + return ret; > + } That looks wrong; I think we want to validate in...
[PATCH v3 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jul 02
2
[PATCH v3 1/1] s390: virtio: let arch accept devices without IOMMU feature
On 2020-06-29 18:05, Cornelia Huck wrote: > On Mon, 29 Jun 2020 11:57:14 -0400 > "Michael S. Tsirkin" <mst at redhat.com> wrote: > >> On Wed, Jun 17, 2020 at 12:43:57PM +0200, Pierre Morel wrote: >>> An architecture protecting the guest memory against unauthorized host >>> access may want to enforce VIRTIO I/O device protection through the
[PATCH v3 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jul 02
2
[PATCH v3 1/1] s390: virtio: let arch accept devices without IOMMU feature
On 2020-06-29 18:05, Cornelia Huck wrote: > On Mon, 29 Jun 2020 11:57:14 -0400 > "Michael S. Tsirkin" <mst at redhat.com> wrote: > >> On Wed, Jun 17, 2020 at 12:43:57PM +0200, Pierre Morel wrote: >>> An architecture protecting the guest memory against unauthorized host >>> access may want to enforce VIRTIO I/O device protection through the
[PATCH v3 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jul 06
0
[PATCH v3 1/1] s390: virtio: let arch accept devices without IOMMU feature
...t; also needs to fail when this feature is needed if VERSION_1 has not been >> negotiated, I think. would be something like: - if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) - return 0; + if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) { + ret = arch_accept_virtio_features(dev); + if (ret) + dev_warn(&dev->dev, + "virtio: device must provide VIRTIO_F_VERSION_1\n"); + return ret; + } just a thought on the function name: It becomes more general than just IOMMU_P...