On 3/30/2018 2:27 PM, Maxime Coquelin wrote: > Hi Andrew, > > On 03/30/2018 03:18 PM, Andrew Rybchenko wrote: >> Hi all, >> >> Build is broken in dpdk-next-net for me on Ubuntu 16.04.4: >> >> lib/librte_vhost/fd_man.c: In function ‘fdset_pipe_read_cb’: >> lib/librte_vhost/fd_man.c:284:2: error: ignoring return value of ‘read’, >> declared with attribute warn_unused_result [-Werror=unused-result] >> read(readfd, charbuf, sizeof(charbuf)); >> ^ >> lib/librte_vhost/fd_man.c: In function ‘fdset_pipe_notify’: >> lib/librte_vhost/fd_man.c:324:2: error: ignoring return value of ‘write’, >> declared with attribute warn_unused_result [-Werror=unused-result] >> write(fdset->u.writefd, "1", 1); >> ^ >> >> $ gcc --version >> gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609 > > Thanks for reporting, I don't catch it with my Fedora build system: > $ gcc --version > gcc (GCC) 7.3.1 20180303 (Red Hat 7.3.1-5) > >> >> As I understand it is broken in ad94ade905454401b705be9e06b19e54a1c78148 >> vhost: add pipe event for optimizing negotiating > > I confirm it is this patch. > > Xiangxia, can you provide a fix please? > > Ferruh, how do you want to proceed? > Would you revert it?
next-net not pulled yet, lets try to fix first, at last resort if there is no solution we can think about revert > > Thanks, > Maxime >> Andrew. >>