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Jiayu Hu 2f706027c8 vhost: fix interrupt suppression for the split ring 
The VIRTIO_RING_F_EVENT_IDX feature of split ring might
be broken, as the value of signalled_used is invalid
after live migration, start up and virtio driver reload.
This patch fixes it by using signalled_used_valid.

In addition, this patch makes the VIRTIO_RING_F_EVENT_IDX
implementation of split ring match kernel backend to suppress
more interrupts.

Fixes: e37ff95440 ("vhost: support virtqueue interrupt/notification suppression")
Cc: stable@dpdk.org

Signed-off-by: Jiayu Hu <jiayu.hu@intel.com>
Tested-by: Yinan Wang <yinan.wang@intel.com>
Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
2019-03-20 18:15:42 +01:00
app app/testpmd: fix a typo in log message 2019-03-20 18:15:42 +01:00
buildtools config: add static linkage of mlx dependency 2019-01-14 17:44:29 +01:00
config mk: use linux and freebsd in config names 2019-03-12 23:05:06 +01:00
devtools devtools: fix meson build test to exit on failure 2019-03-13 11:09:55 +01:00
doc app/testpmd: optimize MAC swap for Arm 2019-03-20 18:15:42 +01:00
drivers net/virtio-user: fix multiqueue with vhost kernel 2019-03-20 18:15:42 +01:00
examples examples/ethtool: remove query of default config 2019-03-20 18:15:42 +01:00
kernel build/freebsd: rename macro BSDPAPP to FREEBSD 2019-03-12 23:01:14 +01:00
lib vhost: fix interrupt suppression for the split ring 2019-03-20 18:15:42 +01:00
license fix dpdk.org URLs 2018-11-26 20:19:24 +01:00
mk mk: use linux and freebsd in config names 2019-03-12 23:05:06 +01:00
usertools mk: use linux and freebsd in config names 2019-03-12 23:05:06 +01:00
.gitattributes improve git diff 2016-11-13 15:25:12 +01:00
.gitignore git: ignore build directories 2019-03-13 11:57:05 +01:00
GNUmakefile test: move to app directory 2019-02-26 15:29:27 +01:00
MAINTAINERS eal/linux: rename linuxapp to linux 2019-03-12 17:31:13 +01:00
Makefile license: use SPDX tag in root makefile 2018-01-04 22:41:38 +01:00
meson_options.txt build: use integers for numerical options 2019-02-27 12:28:03 +01:00
meson.build build: bump minimum Meson version to 0.47.1 2019-02-27 12:12:27 +01:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00

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