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Ilya Maximets 48cae0bfa6 vhost: fix double read of descriptor flags
Flags could be updated in a separate process leading to the
inconsistent check.

Additionally, read marked as 'volatile' to highlight the shared
nature of the variable and avoid such issues in the future.

Fixes: d3211c98c4 ("vhost: add helpers for packed virtqueues")
Cc: stable@dpdk.org

Signed-off-by: Ilya Maximets <i.maximets@samsung.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
2018-12-13 18:17:42 +00:00
app app/testpmd: fix MPLSoGRE encapsulation 2018-12-13 17:45:59 +00:00
buildtools mk: allow renaming of build directories 2018-11-14 01:46:00 +01:00
config config: enable more than 128 cores for arm64 2018-11-23 02:03:33 +01:00
devtools devtools: fix symbol check when adding experimental section 2018-12-01 00:44:31 +01:00
doc net/nfp: support multiprocess 2018-12-13 17:53:50 +00:00
drivers net/virtio: move bytes accounting to common function 2018-12-13 18:17:42 +00:00
examples examples/bond: fix crash when there is no active slave 2018-12-13 16:32:10 +00:00
kernel kni: fix build on Linux < 3.14 2018-10-27 00:18:06 +02:00
lib vhost: fix double read of descriptor flags 2018-12-13 18:17:42 +00:00
license fix dpdk.org URLs 2018-11-26 20:19:24 +01:00
mk mk: allow renaming of build directories 2018-11-14 01:46:00 +01:00
pkg version: 18.11.0 2018-11-27 00:36:00 +01:00
test test: release ring resources after PMD perf test 2018-11-18 23:23:22 +01:00
usertools usertools: skip empty categories in devices status 2018-11-23 01:43:20 +01:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore doc: add compression driver and ISA-L PMD guides 2018-05-10 17:46:20 +01:00
GNUmakefile move kernel modules directories 2018-03-21 23:04:21 +01:00
MAINTAINERS security: remove experimental tag 2018-11-18 22:31:30 +01:00
Makefile license: use SPDX tag in root makefile 2018-01-04 22:41:38 +01:00
meson_options.txt build: add option to override drivers install directory 2018-10-27 23:22:21 +02:00
meson.build version: 19.02-rc0 2018-11-30 16:20:33 +00:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00

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