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Vladimir Oltean caf18e4da9 Revert "net: dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN" 
This reverts commit 2566a89b9e which is
commit a2614140dc upstream.

The above change depends on upstream commit 0faf890fc5 ("net: dsa:
drop rtnl_lock from dsa_slave_switchdev_event_work"), which is not
present in linux-5.15.y. Without that change, waiting for the switchdev
workqueue causes deadlocks on the rtnl_mutex.

Backporting the dependency commit isn't trivial/desirable, since it
requires that the following dependencies of the dependency are also
backported:

df405910ab net: dsa: sja1105: wait for dynamic config command completion on writes too
eb016afd83 net: dsa: sja1105: serialize access to the dynamic config interface
2468346c56 net: mscc: ocelot: serialize access to the MAC table
f7eb4a1c08 net: dsa: b53: serialize access to the ARL table
cf231b436f net: dsa: lantiq_gswip: serialize access to the PCE registers
338a3a4745 net: dsa: introduce locking for the address lists on CPU and DSA ports

and then this bugfix on top:

8940e6b669 ("net: dsa: avoid call to __dev_set_promiscuity() while rtnl_mutex isn't held")

Reported-by: Daniel Suchy <danny@danysek.cz>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-16 14:23:47 +01:00
arch block: drop unused includes in <linux/genhd.h> 2022-03-16 14:23:46 +01:00
block block: drop unused includes in <linux/genhd.h> 2022-03-16 14:23:46 +01:00
certs certs: Add support for using elliptic curve keys for signing modules 2021-08-23 19:55:42 +03:00
crypto crypto: api - Move cryptomgr soft dependency into algapi 2022-02-11 09:10:26 +01:00
Documentation swiotlb: rework "fix info leak with DMA_FROM_DEVICE" 2022-03-16 14:23:43 +01:00
drivers Revert "net: dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN" 2022-03-16 14:23:47 +01:00
fs btrfs: make send work with concurrent block group relocation 2022-03-16 14:23:46 +01:00
include Revert "net: dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN" 2022-03-16 14:23:47 +01:00
init init: make unknown command line param message clearer 2021-11-18 19:17:11 +01:00
ipc ipc/sem: do not sleep with a spin lock held 2022-02-08 18:34:03 +01:00
kernel watch_queue: Make comment about setting ->defunct more accurate 2022-03-16 14:23:45 +01:00
lib lib/iov_iter: initialize "flags" in new pipe_buffer 2022-02-23 12:03:20 +01:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm memfd: fix F_SEAL_WRITE after shmem huge page allocated 2022-03-08 19:12:48 +01:00
net Revert "net: dsa: mv88e6xxx: flush switchdev FDB workqueue before removing VLAN" 2022-03-16 14:23:47 +01:00
samples samples: bpf: Fix 'unknown warning group' build warning on Clang 2022-01-27 11:03:29 +01:00
scripts kconfig: fix failing to generate auto.conf 2022-02-23 12:03:20 +01:00
security selinux: fix misuse of mutex_is_locked() 2022-03-02 11:47:48 +01:00
sound ASoC: cs4265: Fix the duplicated control name 2022-03-08 19:12:47 +01:00
tools selftests/memfd: clean up mapping in mfd_fail_write 2022-03-16 14:23:42 +01:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: Fix lockdep false negative during host resume 2022-03-16 14:23:40 +01:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig
.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 mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
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 MAINTAINERS: adjust file entry for of_net.c after movement 2022-03-08 19:12:53 +01:00
Makefile Linux 5.15.28 2022-03-11 12:22:37 +01:00
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.