search for: f_version_1

Displaying 6 results from an estimated 6 matches for "f_version_1".

[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jun 16
2
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
...>> int virtio_finalize_features(struct virtio_device *dev) > >> { > >> int ret = dev->config->finalize_features(dev); > >> @@ -179,6 +184,10 @@ int virtio_finalize_features(struct virtio_device *dev) > >> if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) > >> return 0; > >> > >> + if (arch_needs_iommu_platform(dev) && > >> + !virtio_has_feature(dev, VIRTIO_F_IOMMU_PLATFORM)) > >> + return -EIO; > >> + > > > > Why EIO? > > Because I/O can not occur corre...
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jun 16
2
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
...>> int virtio_finalize_features(struct virtio_device *dev) > >> { > >> int ret = dev->config->finalize_features(dev); > >> @@ -179,6 +184,10 @@ int virtio_finalize_features(struct virtio_device *dev) > >> if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) > >> return 0; > >> > >> + if (arch_needs_iommu_platform(dev) && > >> + !virtio_has_feature(dev, VIRTIO_F_IOMMU_PLATFORM)) > >> + return -EIO; > >> + > > > > Why EIO? > > Because I/O can not occur corre...
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jun 16
1
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
..._features(struct virtio_device *dev) >>>>> { >>>>> int ret = dev->config->finalize_features(dev); >>>>> @@ -179,6 +184,10 @@ int virtio_finalize_features(struct virtio_device *dev) >>>>> if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) >>>>> return 0; >>>>> >>>>> + if (arch_needs_iommu_platform(dev) && >>>>> + !virtio_has_feature(dev, VIRTIO_F_IOMMU_PLATFORM)) >>>>> + return -EIO; >>>>> + >>>> >>>&gt...
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jun 16
0
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
...io_finalize_features(struct virtio_device *dev) > > >> { > > >> int ret = dev->config->finalize_features(dev); > > >> @@ -179,6 +184,10 @@ int virtio_finalize_features(struct virtio_device *dev) > > >> if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) > > >> return 0; > > >> > > >> + if (arch_needs_iommu_platform(dev) && > > >> + !virtio_has_feature(dev, VIRTIO_F_IOMMU_PLATFORM)) > > >> + return -EIO; > > >> + > > > > > > Why EIO?...
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jun 16
3
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
...in overriding this as well to the cc list. > int virtio_finalize_features(struct virtio_device *dev) > { > int ret = dev->config->finalize_features(dev); > @@ -179,6 +184,10 @@ int virtio_finalize_features(struct virtio_device *dev) > if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) > return 0; > > + if (arch_needs_iommu_platform(dev) && > + !virtio_has_feature(dev, VIRTIO_F_IOMMU_PLATFORM)) > + return -EIO; > + Why EIO? Overall, I think it is a good idea to have something that is going to protect us from this scenario. Regards, Halil &gt...
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
2020 Jun 16
3
[PATCH v2 1/1] s390: virtio: let arch accept devices without IOMMU feature
...in overriding this as well to the cc list. > int virtio_finalize_features(struct virtio_device *dev) > { > int ret = dev->config->finalize_features(dev); > @@ -179,6 +184,10 @@ int virtio_finalize_features(struct virtio_device *dev) > if (!virtio_has_feature(dev, VIRTIO_F_VERSION_1)) > return 0; > > + if (arch_needs_iommu_platform(dev) && > + !virtio_has_feature(dev, VIRTIO_F_IOMMU_PLATFORM)) > + return -EIO; > + Why EIO? Overall, I think it is a good idea to have something that is going to protect us from this scenario. Regards, Halil &gt...