tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master head: 36d2f761b5aa688567b6aebdc6d68e73682275d4 commit: 4d99f6602cb552fb58db0c3b1d935bb6fa017f24 [518/519] net: allow to call netif_reset_xps_queues() under cpus_read_lock config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 4d99f6602cb552fb58db0c3b1d935bb6fa017f24 # save the attached .config to linux build tree GCC_VERSION=7.2.0 make.cross ARCH=sh
All errors (new ones prefixed by >>):
drivers/net/virtio_net.c: In function 'virtnet_set_affinity':
>> drivers/net/virtio_net.c:1910:3: error: implicit declaration of function
>> '__netif_set_xps_queue'; did you mean 'netif_set_xps_queue'?
>> [-Werror=implicit-function-declaration]
__netif_set_xps_queue(vi->dev, mask, i, false);
^~~~~~~~~~~~~~~~~~~~~
netif_set_xps_queue
cc1: some warnings being treated as errors
vim +1910 drivers/net/virtio_net.c
1888
1889 static void virtnet_set_affinity(struct virtnet_info *vi)
1890 {
1891 int i;
1892 int cpu;
1893
1894 /* In multiqueue mode, when the number of cpu is equal to the
number of
1895 * queue pairs, we let the queue pairs to be private to one cpu
by
1896 * setting the affinity hint to eliminate the contention.
1897 */
1898 if (vi->curr_queue_pairs == 1 ||
1899 vi->max_queue_pairs != num_online_cpus()) {
1900 virtnet_clean_affinity(vi, -1);
1901 return;
1902 }
1903
1904 i = 0;
1905 for_each_online_cpu(cpu) {
1906 const unsigned long *mask =
cpumask_bits(cpumask_of(cpu));
1907
1908 virtqueue_set_affinity(vi->rq[i].vq, cpu);
1909 virtqueue_set_affinity(vi->sq[i].vq, cpu);
> 1910 __netif_set_xps_queue(vi->dev, mask, i, false);
1911 i++;
1912 }
1913
1914 vi->affinity_hint_set = true;
1915 }
1916
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0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
Description: application/gzip
