mirror of https://gitee.com/openkylin/linux.git
7344ba039f
Wei Xu says: ==================== vhost: fix a few skb leaks Matthew found a roughly 40% tcp throughput regression with commit c67df11f(vhost_net: try batch dequing from skb array) as discussed in the following thread: https://www.mail-archive.com/netdev@vger.kernel.org/msg187936.html v4: - fix zero iov iterator count in tap/tap_do_read()(Jason) - don't put tun in case of EBADFD(Jason) - Replace msg->msg_control with new 'skb' when calling tun/tap_do_read() v3: - move freeing skb from vhost to tun/tap recvmsg() to not confuse the callers. v2: - add Matthew as the reporter, thanks matthew. - moving zero headcount check ahead instead of defer consuming skb due to jason and mst's comment. - add freeing skb in favor of recvmsg() fails. ==================== Acked-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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README
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.