Hi Wei, [auto build test WARNING on v4.13-rc3] [also build test WARNING on next-20170803] [cannot apply to linus/master linux/master mmotm/master] [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/Wei-Wang/Virtio-balloon-Enhancement/20170803-223740 config: xtensa-allmodconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): drivers//virtio/virtio_balloon.c: In function 'tell_host_sgs': drivers//virtio/virtio_balloon.c:210:3: error: implicit declaration of function 'pfn_to_kaddr' [-Werror=implicit-function-declaration] sg_addr = pfn_to_kaddr(sg_pfn_start); ^ drivers//virtio/virtio_balloon.c:210:11: warning: assignment makes pointer from integer without a cast sg_addr = pfn_to_kaddr(sg_pfn_start); ^ drivers//virtio/virtio_balloon.c: In function 'virtio_balloon_send_free_pages': >> drivers//virtio/virtio_balloon.c:523:15: warning: initialization makes pointer from integer without a cast void *addr = pfn_to_kaddr(pfn); ^ cc1: some warnings being treated as errors vim +523 drivers//virtio/virtio_balloon.c 518 519 static void virtio_balloon_send_free_pages(void *opaque, unsigned long pfn, 520 unsigned long nr_pages) 521 { 522 struct virtio_balloon *vb = (struct virtio_balloon *)opaque; > 523 void *addr = pfn_to_kaddr(pfn); 524 uint32_t len = nr_pages << PAGE_SHIFT; 525 526 send_one_sg(vb, vb->free_page_vq, addr, len, 1); 527 } 528 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
