Hi Wei, [auto build test WARNING on linus/master] [also build test WARNING on v4.12 next-20170712] [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/20170713-074956 config: i386-randconfig-x071-07121639 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers//virtio/virtio_balloon.c: In function 'tell_host_one_page': >> drivers//virtio/virtio_balloon.c:535:39: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] virtqueue_add_chain(vq, id, 0, NULL, (void *)addr, NULL); ^ vim +535 drivers//virtio/virtio_balloon.c 527 528 static void tell_host_one_page(struct virtio_balloon *vb, struct virtqueue *vq, 529 struct page *page) 530 { 531 unsigned int id = VIRTQUEUE_DESC_ID_INIT; 532 u64 addr = page_to_pfn(page) << VIRTIO_BALLOON_PFN_SHIFT; 533 534 virtqueue_add_chain_desc(vq, addr, PAGE_SIZE, &id, &id, 0); > 535 virtqueue_add_chain(vq, id, 0, NULL, (void *)addr, NULL); 536 virtqueue_kick_async(vq, vb->acked); 537 } 538 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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