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Michael S. Tsirkin 22bc63c58e virtio_net: move txq wakeups under tx q lock 
We currently check num_free outside tx q lock
which is unsafe: new packets can arrive meanwhile
and there won't be space in the queue.
Thus a spurious queue wakeup causing overhead
and even packet drops.

Move the check under the lock to fix that.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-07-03 04:51:17 -04:00
arch
Merge tag 'mips_5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
2021-07-01 17:03:11 -07:00
block
Merge tag 'for-5.14/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2021-06-30 18:19:39 -07:00
certs
Merge tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2021-05-08 10:00:11 -07:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2021-06-28 16:04:56 -07:00
Documentation
Merge branch 'for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2021-07-01 17:22:14 -07:00
drivers
virtio_net: move txq wakeups under tx q lock
2021-07-03 04:51:17 -04:00
fs
Merge tag 'for-5.14/io_uring-2021-06-30' of git://git.kernel.dk/linux-block
2021-07-01 12:16:24 -07:00
include
vdpa/mlx5: Support creating resources with uid == 0
2021-07-03 04:50:56 -04:00
init
Merge tag 'clang-features-v5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2021-06-30 14:33:25 -07:00
ipc
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2021-06-28 20:39:26 -07:00
kernel
Merge branch 'for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2021-07-01 17:22:14 -07:00
lib
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
LICENSES
LICENSES: Add the CC-BY-4.0 license
2020-12-08 10:33:27 -07:00
mm
Merge branch 'for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
2021-07-01 17:17:24 -07:00
net
Merge tag 'net-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2021-06-30 15:51:09 -07:00
samples
Merge tag 'net-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2021-06-30 15:51:09 -07:00
scripts
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
security
Merge tag 'safesetid-5.14' of git://github.com/micah-morton/linux
2021-06-30 15:30:47 -07:00
sound
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2021-07-01 13:26:16 -07:00
tools
Merge branch 'for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2021-07-01 17:22:14 -07:00
usr
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
virt
Merge branch 'akpm' (patches from Andrew)
2021-06-29 17:29:11 -07:00
.clang-format
clang-format: Update with the latest for_each macro list
2021-05-12 23:32:39 +02:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: ignore only top-level modules.builtin
2021-05-02 00:43:35 +09:00
.mailmap
Merge tag 'm68k-for-v5.14-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
2021-06-28 14:01:03 -07:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: move Murali Karicheri to credits
2021-04-29 15:47:30 -07:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Merge tag 'pinctrl-v5.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2021-07-01 16:57:14 -07:00
Makefile
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2021-06-28 14:04:24 -07:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

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.
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