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10826505f5
This fixes 3 issues:
- prevent admin commands on one VF blocking another:
prevents a bad VF from blocking a good one, as well
as fixing a scalability issue with large # of VFs
- correctly return error on command failure on octeon:
currently if any commands fail we treat it as success
- fix modpost warning when building virtio_dma_buf:
harmless, but the fix is trivial
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"The biggest thing here is the adminq change - but it looks like the
only way to avoid headq blocking causing indefinite stalls.
This fixes three issues:
- Prevent admin commands on one VF blocking another.
This prevents a bad VF from blocking a good one, as well as fixing
a scalability issue with large # of VFs
- Correctly return error on command failure on octeon. We used to
treat failed commands as a success.
- Fix modpost warning when building virtio_dma_buf. Harmless, but the
fix is trivial"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_pci_modern: remove admin queue serialization lock
virtio_pci_modern: use completion instead of busy loop to wait on admin cmd result
virtio_pci_modern: pass cmd as an identification token
virtio_pci_modern: create admin queue of queried size
virtio: create admin queues alongside other virtqueues
virtio_pci: pass vq info as an argument to vp_setup_vq()
virtio: push out code to vp_avq_index()
virtio_pci_modern: treat vp_dev->admin_vq.info.vq pointer as static
virtio_pci: introduce vector allocation fallback for slow path virtqueues
virtio_pci: pass vector policy enum to vp_find_one_vq_msix()
virtio_pci: pass vector policy enum to vp_find_vqs_msix()
virtio_pci: simplify vp_request_msix_vectors() call a bit
virtio_pci: push out single vq find code to vp_find_one_vq_msix()
vdpa/octeon_ep: Fix error code in octep_process_mbox()
virtio: add missing MODULE_DESCRIPTION() macro
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|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| virtio_anchor.c | ||
| virtio_balloon.c | ||
| virtio_debug.c | ||
| virtio_dma_buf.c | ||
| virtio_input.c | ||
| virtio_mem.c | ||
| virtio_mmio.c | ||
| virtio_pci_admin_legacy_io.c | ||
| virtio_pci_common.c | ||
| virtio_pci_common.h | ||
| virtio_pci_legacy_dev.c | ||
| virtio_pci_legacy.c | ||
| virtio_pci_modern_dev.c | ||
| virtio_pci_modern.c | ||
| virtio_ring.c | ||
| virtio_vdpa.c | ||
| virtio.c | ||