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Yunjian Wang dc1a4d86c6 net/tap: fix unexpected link handler 
The nic's interrupt source has some active handler, which maybe call
tap_dev_intr_handler() to set link handler. We should cancel the link
handler before close fd to prevent executing the link handler. It
triggers segfault.

Call Trace:
   0x00007f15e08dad99 in __rte_panic (Error adding fd %d epoll_ctl, %s\n")
   0x00007f15e08e9b87 in eal_intr_thread_main ()
   0x00007f15e249be15 in start_thread ()
   0x00007f15d5322f9d in clone ()

Fixes: c0bddd3a05 ("net/tap: add link status notification")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
2020-04-21 13:57:08 +02:00
.ci ci: reduce examples in static builds 2020-04-17 23:34:08 +02:00
app app/testpmd: handle RSS offload types ESP and AH 2020-04-21 13:57:08 +02:00
buildtools eal: move common header files 2020-03-31 13:08:55 +02:00
config net/igc: add skeleton 2020-04-21 13:57:07 +02:00
devtools ring: introduce RTS ring mode 2020-04-21 12:52:55 +02:00
doc net/i40e: add ESP patterns 2020-04-21 13:57:08 +02:00
drivers net/tap: fix unexpected link handler 2020-04-21 13:57:08 +02:00
examples vhost: prefix vDPA enum value for PCI address type 2020-04-21 13:57:07 +02:00
kernel eal: move OS-specific sub-directories 2020-03-31 13:08:55 +02:00
lib ethdev: add RSS offload types for ESP and AH 2020-04-21 13:57:08 +02:00
license eal: move OS-specific sub-directories 2020-03-31 13:08:55 +02:00
mk net/igc: add skeleton 2020-04-21 13:57:07 +02:00
usertools usertools: fix telemetry client with python 3 2020-02-16 22:23:20 +01:00
.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 doc: add feature matrix table for bbdev 2020-04-19 22:34:26 +02:00
.travis.yml ci: fix telemetry dependency in Travis 2020-04-10 10:03:22 +02:00
ABI_VERSION version: 20.05-rc0 2020-02-27 12:02:19 +01:00
GNUmakefile test: move to app directory 2019-02-26 15:29:27 +01:00
MAINTAINERS net/igc: add skeleton 2020-04-21 13:57:07 +02:00
Makefile remove blank lines at end of file 2019-11-26 00:12:08 +01:00
meson_options.txt trace: introduce new subsystem 2020-04-23 15:39:06 +02:00
meson.build eal: move OS-specific sub-directories 2020-03-31 13:08:55 +02:00
README license: introduce SPDX identifiers 2018-01-04 22:41:38 +01:00
VERSION version: 20.05-rc0 2020-02-27 12:02:19 +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