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Groups > linux.kernel > #1472200
| From | "Michael S. Tsirkin" <mst@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 0/2] vfio: blacklist legacy virtio devices |
| Date | 2016-08-30 04:30 +0200 |
| Message-ID | <sbGYh-7dn-1@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Legacy virtio devices always bypassed an IOMMU, so using them with vfio was never safe. This adds a quirk detecting these and disabling VFIO unless the noiommu mode is used. At the moment, this only applies to virtio-pci devices. The patch might make sense on stable as well. Michael S. Tsirkin (2): vfio: report group noiommu status vfio: add virtio pci quirk drivers/vfio/pci/vfio_pci_private.h | 1 + include/linux/vfio.h | 2 + drivers/vfio/pci/vfio_pci.c | 14 ++++ drivers/vfio/pci/vfio_pci_virtio.c | 140 ++++++++++++++++++++++++++++++++++++ drivers/vfio/vfio.c | 12 ++++ drivers/vfio/pci/Makefile | 1 + 6 files changed, 170 insertions(+) create mode 100644 drivers/vfio/pci/vfio_pci_virtio.c -- MST
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[PATCH v2 0/2] vfio: blacklist legacy virtio devices "Michael S. Tsirkin" <mst@redhat.com> - 2016-08-30 04:30 +0200
[PATCH v2 2/2] vfio: add virtio pci quirk "Michael S. Tsirkin" <mst@redhat.com> - 2016-08-30 04:30 +0200
Re: [PATCH v2 2/2] vfio: add virtio pci quirk Alex Williamson <alex.williamson@redhat.com> - 2016-08-30 05:30 +0200
Re: [PATCH v2 2/2] vfio: add virtio pci quirk "Michael S. Tsirkin" <mst@redhat.com> - 2016-08-30 05:50 +0200
Re: [PATCH v2 2/2] vfio: add virtio pci quirk "Michael S. Tsirkin" <mst@redhat.com> - 2016-08-30 06:00 +0200
Re: [PATCH v2 2/2] vfio: add virtio pci quirk Alex Williamson <alex.williamson@redhat.com> - 2016-08-30 06:00 +0200
Re: [PATCH v2 2/2] vfio: add virtio pci quirk Alex Williamson <alex.williamson@redhat.com> - 2016-08-30 07:00 +0200
Re: [PATCH v2 2/2] vfio: add virtio pci quirk "Michael S. Tsirkin" <mst@redhat.com> - 2016-08-30 07:30 +0200
Re: [PATCH v2 2/2] vfio: add virtio pci quirk Alex Williamson <alex.williamson@redhat.com> - 2016-08-30 14:50 +0200
[PATCH v2 1/2] vfio: report group noiommu status "Michael S. Tsirkin" <mst@redhat.com> - 2016-08-30 04:30 +0200
Re: [Qemu-devel] [PATCH v2 0/2] vfio: blacklist legacy virtio devices Jason Wang <jasowang@redhat.com> - 2016-08-30 05:20 +0200
Re: [Qemu-devel] [PATCH v2 0/2] vfio: blacklist legacy virtio devices "Michael S. Tsirkin" <mst@redhat.com> - 2016-08-30 06:00 +0200
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