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Filename Latest commit message Latest commit date
Willem de Bruijn cf03458ab2 selftests/net: make so_txtime more robust to timer variance
[ Upstream commit ea6a547669b37453f2b1a5d85188d75b3613dfaa ]

The SO_TXTIME test depends on accurate timers. In some virtualized
environments the test has been reported to be flaky. This is easily
reproduced by disabling kvm acceleration in Qemu.

Allow greater variance in a run and retry to further reduce flakiness.

Observed errors are one of two kinds: either the packet arrives too
early or late at recv(), or it was dropped in the qdisc itself and the
recv() call times out.

In the latter case, the qdisc queues a notification to the error
queue of the send socket. Also explicitly report this cause.

Link: https://lore.kernel.org/netdev/CA+FuTSdYOnJCsGuj43xwV1jxvYsaoa_LzHQF9qMyhrkLrivxKw@mail.gmail.com
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-02-24 08:36:36 +01:00
arch ARM: dts: imx6: rdu2: Limit USBH1 to Full Speed 2020-02-24 08:36:35 +01:00
block block, bfq: do not plug I/O for bfq_queues with no proc refs 2020-02-24 08:36:31 +01:00
certs
crypto crypto: testmgr - don't try to decrypt uninitialized buffers 2020-02-14 16:34:18 -05:00
Documentation dt-bindings: iio: adc: ad7606: Fix wrong maxItems value 2020-02-14 16:34:19 -05:00
drivers gpu/drm: ingenic: Avoid null pointer deference in plane atomic update 2020-02-24 08:36:36 +01:00
fs Btrfs: keep pages dirty when using btrfs_writepage_fixup_worker 2020-02-24 08:36:31 +01:00
include bus: ti-sysc: Implement quirk handling for CLKDM_NOAUTO 2020-02-24 08:36:35 +01:00
init
ipc
kernel padata: validate cpumask without removed CPU during offline 2020-02-24 08:36:34 +01:00
lib
LICENSES
mm
net bpf, sockhash: Synchronize_rcu before free'ing map 2020-02-24 08:36:32 +01:00
samples
scripts kconfig: fix broken dependency in randconfig-generated .config 2020-02-24 08:36:32 +01:00
security selinux: ensure we cleanup the internal AVC counters on error in avc_insert() 2020-02-24 08:36:34 +01:00
sound ASoC: intel: sof_rt5682: Add support for tgl-max98357a-rt5682 2020-02-24 08:36:33 +01:00
tools selftests/net: make so_txtime more robust to timer variance 2020-02-24 08:36:36 +01:00
usr
virt KVM: arm64: Treat emulated TVAL TimerValue as a signed 32-bit integer 2020-02-14 16:34:18 -05:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS
Makefile Linux 5.4.21 2020-02-19 19:53:10 +01:00
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.