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Cong Wang db4192a754 tcp: read multiple skbs in tcp_read_skb() 
Before we switched to ->read_skb(), ->read_sock() was passed with
desc.count=1, which technically indicates we only read one skb per
->sk_data_ready() call. However, for TCP, this is not true.

TCP at least has sk_rcvlowat which intentionally holds skb's in
receive queue until this watermark is reached. This means when
->sk_data_ready() is invoked there could be multiple skb's in the
queue, therefore we have to read multiple skbs in tcp_read_skb()
instead of one.

Fixes: 965b57b469 ("net: Introduce a new proto_ops ->read_skb()")
Reported-by: Peilin Ye <peilin.ye@bytedance.com>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: Jakub Sitnicki <jakub@cloudflare.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Link: https://lore.kernel.org/r/20220912173553.235838-1-xiyou.wangcong@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-09-20 14:47:21 +02:00
arch ARM: SoC fixes for 6.0 2022-09-05 17:44:48 -04:00
block
certs
crypto
Documentation Documentation: mptcp: fix pm_type formatting 2022-09-13 10:18:44 +02:00
drivers Revert "net: fec: Use a spinlock to guard fep->ptp_clk_on" 2022-09-20 12:16:58 +02:00
fs Networking fixes for 6.0-rc5, including fixes from rxrpc, netfilter, 2022-09-08 08:15:01 -04:00
include bluetooth pull request for net: 2022-09-19 18:01:04 -07:00
init
io_uring io_uring-6.0-2022-09-02 2022-09-02 16:37:01 -07:00
ipc
kernel
lib
LICENSES
mm mm: pagewalk: Fix race between unmap and page walker 2022-09-03 10:13:13 -07:00
net tcp: read multiple skbs in tcp_read_skb() 2022-09-20 14:47:21 +02:00
samples
scripts Makefile.extrawarn: re-enable -Wformat for clang; take 2 2022-09-04 11:15:50 -07:00
security
sound
tools net: Add tests for bonding and team address list management 2022-09-16 14:34:01 +01:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
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COPYING
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MAINTAINERS MAINTAINERS: gve: update developers 2022-09-19 15:01:47 -07:00
Makefile Linux 6.0-rc4 2022-09-04 13:10:01 -07:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

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.