Hi Jason,
[auto build test WARNING on vhost/linux-next]
[also build test WARNING on v4.9 next-20161214]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Jason-Wang/vhost-introduce-O-1-vq-metadata-cache/20161214-160153
base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next
config: i386-randconfig-x005-201650 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree