On 05.05.20 18:20, Michael S. Tsirkin wrote: > On Tue, May 05, 2020 at 05:46:44PM +0200, David Hildenbrand wrote: >> On 05.05.20 17:44, Michael S. Tsirkin wrote: >>> On Tue, May 05, 2020 at 04:50:13PM +0200, David Hildenbrand wrote: >>>> On 05.05.20 16:15, kbuild test robot wrote: >>>>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost >>>>> head: da1742791d8c0c0a8e5471f181549c4726a5c5f9 >>>>> commit: 7527631e900d464ed2d533f799cb0da2b29cc6f0 [8/22] virtio-mem: Paravirtualized memory hotplug >>>>> config: x86_64-randconfig-b002-20200505 (attached as .config) >>>>> compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 >>>>> reproduce: >>>>> git checkout 7527631e900d464ed2d533f799cb0da2b29cc6f0 >>>>> # save the attached .config to linux build tree >>>>> make ARCH=x86_64 >>>>> >>>>> If you fix the issue, kindly add following tag as appropriate >>>>> Reported-by: kbuild test robot <lkp@xxxxxxxxx> >>>>> >>>>> All error/warnings (new ones prefixed by >>): >>>>> >>>>> drivers/virtio/virtio_mem.c: In function 'virtio_mem_probe': >>>>>>> drivers/virtio/virtio_mem.c:1375:20: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration] >>>>> vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); >>>>> ^~~~~~~ >>>>> vzalloc >>>>>>> drivers/virtio/virtio_mem.c:1375:18: warning: assignment makes pointer from integer without a cast [-Wint-conversion] >>>>> vdev->priv = vm = kzalloc(sizeof(*vm), GFP_KERNEL); >>>>> ^ >>>>>>> drivers/virtio/virtio_mem.c:1419:2: error: implicit declaration of function 'kfree'; did you mean 'vfree'? [-Werror=implicit-function-declaration] >>>>> kfree(vm); >>>>> ^~~~~ >>>>> vfree >>>>> cc1: some warnings being treated as errors >>>>> >>>>> vim +1375 drivers/virtio/virtio_mem.c >>>> >>>> Guess we simply need >>>> >>>> #include <linux/slab.h> >>>> >>>> to make it work for that config. >>> >>> >>> OK I added that in the 1st commit that introduced virtio-mem. >> >> Thanks. I have some addon-patches ready, what's the best way to continue >> with these? > > If these are bugfixes, just respin the series (including this fix). There are two really minor bugfixes for corner-case error handling and one simplification. I can squash them and resend, makes things easier. The other stuff I have are extensions, I will send as add-on. Thanks! -- Thanks, David / dhildenb