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Jason Wang says: ==================== vhost_net rx batch dequeuing This series tries to implement rx batching for vhost-net. This is done by batching the dequeuing from skb_array which was exported by underlayer socket and pass the sbk back through msg_control to finish userspace copying. This is also the requirement for more batching implemention on rx path. Tests shows at most 7.56% improvment bon rx pps on top of batch zeroing and no obvious changes for TCP_STREAM/TCP_RR result. Please review. Thanks Changes from V4: - drop batch zeroing patch - renew the performance numbers - move skb pointer array out of vhost_net structure Changes from V3: - add batch zeroing patch to fix the build warnings Changes from V2: - rebase to net-next HEAD - use unconsume helpers to put skb back on releasing - introduce and use vhost_net internal buffer helpers - renew performance numbers on top of batch zeroing Changes from V1: - switch to use for() in __ptr_ring_consume_batched() - rename peek_head_len_batched() to fetch_skbs() - use skb_array_consume_batched() instead of skb_array_consume_batched_bh() since no consumer run in bh - drop the lockless peeking patch since skb_array could be resized, so it's not safe to call lockless one ==================== Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.