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Message-ID: <20250324054333.1954-1-jasowang@redhat.com>
Date: Mon, 24 Mar 2025 13:43:14 +0800
From: Jason Wang <jasowang@...hat.com>
To: mst@...hat.com,
jasowang@...hat.com
Cc: xuanzhuo@...ux.alibaba.com,
eperezma@...hat.com,
virtualization@...ts.linux.dev,
linux-kernel@...r.kernel.org
Subject: [PATCH 00/19] virtio_ring in order support
Hello all:
This sereis tries to implement the VIRTIO_F_IN_ORDER to
virtio_ring. This is done by introducing virtqueue ops so we can
implement separate helpers for different virtqueue layout/features
then the in-order were implmeented on top.
Tests shows 5% imporvemnt in RX PPS with KVM guest + testpmd on the
host.
Please review.
Thanks
Jason Wang (19):
virtio_ring: rename virtqueue_reinit_xxx to virtqueue_reset_xxx()
virtio_ring: switch to use vring_virtqueue in virtqueue_poll variants
virtio_ring: unify logic of virtqueue_poll() and more_used()
virtio_ring: switch to use vring_virtqueue for virtqueue resize
variants
virtio_ring: switch to use vring_virtqueue for virtqueue_kick_prepare
variants
virtio_ring: switch to use vring_virtqueue for virtqueue_add variants
virtio: switch to use vring_virtqueue for virtqueue_add variants
virtio_ring: switch to use vring_virtqueue for enable_cb_prepare
variants
virtio_ring: use vring_virtqueue for enable_cb_delayed variants
virtio_ring: switch to use vring_virtqueue for disable_cb variants
virtio_ring: switch to use vring_virtqueue for detach_unused_buf
variants
virtio_ring: use u16 for last_used_idx in virtqueue_poll_split()
virtio_ring: introduce virtqueue ops
virtio_ring: determine descriptor flags at one time
virtio_ring: factor out core logic of buffer detaching
virtio_ring: factor out core logic for updating last_used_idx
virtio_ring: move next_avail_idx to vring_virtqueue
virtio_ring: factor out split indirect detaching logic
virtio_ring: add in order support
drivers/virtio/virtio_ring.c | 856 ++++++++++++++++++++++++++---------
1 file changed, 653 insertions(+), 203 deletions(-)
--
2.42.0
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