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Vinicius Costa Gomes b5b73b26b3 taprio: Fix allowing too small intervals
It's possible that the user specifies an interval that couldn't allow
any packet to be transmitted. This also avoids the issue of the
hrtimer handler starving the other threads because it's running too
often.

The solution is to reject interval sizes that according to the current
link speed wouldn't allow any packet to be transmitted.

Reported-by: syzbot+8267241609ae8c23b248@syzkaller.appspotmail.com
Fixes: 5a781ccbd1 ("tc: Add support for configuring the taprio scheduler")
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-11 17:21:51 -07:00
arch net: dsa: microchip: look for phy-mode in port nodes 2020-09-10 12:32:37 -07:00
block block-5.9-2020-09-04 2020-09-04 13:04:51 -07:00
certs
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2020-08-30 15:53:44 -07:00
Documentation Kbuild fixes for v5.9 (2nd) 2020-09-04 13:34:52 -07:00
drivers Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue 2020-09-11 17:17:16 -07:00
fs io_uring-5.9-2020-09-04 2020-09-04 12:55:22 -07:00
include netlink: fix doc about nlmsg_parse/nla_validate 2020-09-10 15:13:43 -07:00
init init: fix error check in clean_path() 2020-09-04 09:16:58 -07:00
ipc
kernel gcov: Disable gcov build with GCC 10 2020-09-04 09:19:49 -07:00
lib
LICENSES
mm Merge branch 'simplify-do_wp_page' 2020-09-04 09:31:54 -07:00
net taprio: Fix allowing too small intervals 2020-09-11 17:21:51 -07:00
samples
scripts kconfig: remove redundant assignment prompt = prompt 2020-09-03 12:21:22 +09:00
security
sound sound fixes for 5.9-rc4 2020-09-04 12:05:25 -07:00
tools selftests: rtnetlink: Test bridge enslavement with different parent IDs 2020-09-10 15:06:48 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS connector: Move maintainence under networking drivers umbrella. 2020-09-10 08:40:13 -07:00
Makefile Linux 5.9-rc3 2020-08-30 16:01:54 -07:00
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.