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Filename Latest commit message Latest commit date
Moshe Shemesh b587bdaf5f devlink: Change devlink health locking mechanism
The devlink health reporters create/destroy and user commands currently
use the devlink->lock as a locking mechanism. Different reporters have
different rules in the driver and are being created/destroyed during
different stages of driver load/unload/running. So during execution of a
reporter recover the flow can go through another reporter's destroy and
create. Such flow leads to deadlock trying to lock a mutex already
held.

With the new locking mechanism the different reporters share mutex lock
only to protect access to shared reporters list.
Added refcount per reporter, to protect the reporters from destroy while
being used.

Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-05-01 11:07:03 -04:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-04-28 08:42:41 -04:00
block bfq: update internal depth state when queue depth changes 2019-04-13 19:08:22 -06:00
certs
crypto netlink: make validation more configurable for future strictness 2019-04-27 17:07:21 -04:00
Documentation dt-bindings: net: DSA: Remove legacy binding 2019-04-30 23:15:35 -04:00
drivers net: aquantia: remove outdated device ids 2019-05-01 09:30:15 -04:00
fs genetlink: optionally validate strictly/dumps 2019-04-27 17:07:22 -04:00
include devlink: Change devlink health locking mechanism 2019-05-01 11:07:03 -04:00
init init: initialize jump labels before command line option parsing 2019-04-19 09:46:05 -07:00
ipc rhashtable: use bit_spin_locks to protect hash bucket. 2019-04-07 19:12:12 -07:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-04-28 08:42:41 -04:00
lib netlink: add strict parsing for future attributes 2019-04-27 17:07:22 -04:00
LICENSES
mm Merge branch 'for-5.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu 2019-04-19 15:37:22 -07:00
net devlink: Change devlink health locking mechanism 2019-05-01 11:07:03 -04:00
samples samples: bpf: add hbm sample to .gitignore 2019-04-25 23:38:00 +02:00
scripts Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
security Merge branch 'for-5.1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup 2019-04-19 18:03:55 -07:00
sound ALSA: hda/realtek - add two more pin configuration sets to quirk table 2019-04-17 10:41:38 +02:00
tools Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2019-04-30 09:26:13 -04:00
usr
virt KVM: fix spectrev1 gadgets 2019-04-16 15:38:07 +02:00
.clang-format Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-17 11:26:25 -07:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-04-11 17:00:05 -07:00
COPYING
CREDITS Char/Misc driver patches for 5.1-rc1 2019-03-06 14:18:59 -08:00
Kbuild Kbuild updates for v5.1 2019-03-10 17:48:21 -07:00
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-04-28 08:42:41 -04:00
Makefile Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-04-25 23:52:29 -04:00
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.