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Patrick Fu eb666d2408 vhost: fix async unregister deadlock 
When async unregister function is invoked in certain vhost event
callbacks (e.g. vring state change), deadlock may occur due to
recursive spinlock acquire. This patch uses trylock() primitive in
the unregister API to avoid deadlock.

Fixes: 78639d5456 ("vhost: introduce async enqueue registration API")
Cc: stable@dpdk.org

Signed-off-by: Patrick Fu <patrick.fu@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
2020-10-16 19:48:19 +02:00
.ci ci: reduce examples in static builds 2020-04-17 23:34:08 +02:00
app app/testpmd: support IPv6 fragment extension item 2020-10-16 19:48:18 +02:00
buildtools pmdinfogen: fix build with gcc 11 2020-10-08 12:45:54 +02:00
config cmdline: support Windows 2020-10-15 00:39:10 +02:00
devtools devtools: check Windows export files 2020-10-16 14:01:37 +02:00
doc ethdev: add IPv6 fragment extension header item 2020-10-16 19:48:18 +02:00
drivers net/bnxt: fix UDP tunnel port removal 2020-10-16 19:48:19 +02:00
examples net: add function to calculate IPv4 header length 2020-10-16 19:48:17 +02:00
kernel kernel/linux: remove igb_uio 2020-10-06 14:50:13 +02:00
lib vhost: fix async unregister deadlock 2020-10-16 19:48:19 +02:00
license eal: move OS-specific sub-directories 2020-03-31 13:08:55 +02:00
usertools usertools: add OCTEON TX2 REE device binding 2020-10-14 10:41:26 +02:00
.editorconfig devtools: add EditorConfig file 2020-02-22 21:05:22 +01:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore regex/mlx5: introduce driver for BlueField 2 2020-07-21 19:04:05 +02:00
.travis.yml ci: add tests jobs in aarch64 vm 2020-09-30 21:52:54 +02:00
ABI_VERSION version: 20.11-rc0 2020-08-12 11:32:16 +02:00
MAINTAINERS crypto/bcmfs: add session handling and capabilities 2020-10-14 22:22:06 +02:00
Makefile build: create dummy Makefile 2020-09-07 23:51:57 +02:00
meson_options.txt trace: introduce new subsystem 2020-04-23 15:39:06 +02:00
meson.build build: check AVX512 rather than binutils version 2020-07-05 21:32:40 +02:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00
VERSION version: 20.11-rc0 2020-08-12 11:32:16 +02:00

README 

DPDK is a set of libraries and drivers for fast packet processing.
It supports many processor architectures and both FreeBSD and Linux.

The DPDK uses the Open Source BSD-3-Clause license for the core libraries
and drivers. The kernel components are GPL-2.0 licensed.

Please check the doc directory for release notes,
API documentation, and sample application information.

For questions and usage discussions, subscribe to: users@dpdk.org
Report bugs and issues to the development mailing list: dev@dpdk.org