On Tue, May 05, 2020 at 06:22:51PM +0200, David Hildenbrand wrote: > 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. OK try to do it ASAP, we don't want to repeat the drama we had with vdpa. > The other stuff I have are extensions, I will send as add-on. > > Thanks! > > > -- > Thanks, > > David / dhildenb