Hi Igor,
[auto build test WARNING on net/master]
url:
https://github.com/0day-ci/linux/commits/Igor-Druzhinin/xen-netback-fix-race-condition-on-XenBus-disconnect/20170310-055447
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1 CF=-D__CHECK_END
> -Original Message-
> From: Igor Druzhinin [mailto:igor.druzhi...@citrix.com]
> Sent: 09 March 2017 19:42
> To: net...@vger.kernel.org; xen-de...@lists.xenproject.org
> Cc: Paul Durrant ; jgr...@suse.com; Wei Liu
> ; Igor Druzhinin
> Subject: [PATCH net v3] xen-netback: fix race condition
In some cases during XenBus disconnect event handling and subsequent
queue resource release there may be some TX handlers active on
other processors. Use RCU in order to synchronize with them.
Signed-off-by: Igor Druzhinin
---
v3:
* Fix unintended semantic change in xenvif_get_ethtool_stats
* D