tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next head: 8ab881d0e8136390da79aa0902fe03d2f6c65e32 commit: 281310d52c1d63630f54b1ac5cca6e9eb8715b3a [6/19] virtio: add context flag to find vqs reproduce: # apt-get install sparse git checkout 281310d52c1d63630f54b1ac5cca6e9eb8715b3a make ARCH=x86_64 allmodconfig make C=1 CF=-D__CHECK_ENDIAN__ sparse warnings: (new ones prefixed by >>) include/linux/compiler.h:264:8: sparse: attribute 'no_sanitize_address': unknown attribute >> drivers/remoteproc/remoteproc_virtio.c:106:33: sparse: not enough arguments for function vring_new_virtqueue drivers/remoteproc/remoteproc_virtio.c: In function 'rp_find_vq': drivers/remoteproc/remoteproc_virtio.c:107:27: error: passing argument 8 of 'vring_new_virtqueue' from incompatible pointer type [-Werror=incompatible-pointer-types] rproc_virtio_notify, callback, name); ^~~~~~~~ In file included from drivers/remoteproc/remoteproc_virtio.c:25:0: include/linux/virtio_ring.h:93:19: note: expected 'bool (*)(struct virtqueue *) {aka _Bool (*)(struct virtqueue *)}' but argument is of type 'void (*)(struct virtqueue *)' struct virtqueue *vring_new_virtqueue(unsigned int index, ^~~~~~~~~~~~~~~~~~~ drivers/remoteproc/remoteproc_virtio.c:107:37: error: passing argument 9 of 'vring_new_virtqueue' from incompatible pointer type [-Werror=incompatible-pointer-types] rproc_virtio_notify, callback, name); ^~~~ In file included from drivers/remoteproc/remoteproc_virtio.c:25:0: include/linux/virtio_ring.h:93:19: note: expected 'void (*)(struct virtqueue *)' but argument is of type 'const char *' struct virtqueue *vring_new_virtqueue(unsigned int index, ^~~~~~~~~~~~~~~~~~~ drivers/remoteproc/remoteproc_virtio.c:106:7: error: too few arguments to function 'vring_new_virtqueue' vq = vring_new_virtqueue(id, len, rvring->align, vdev, false, addr, ^~~~~~~~~~~~~~~~~~~ In file included from drivers/remoteproc/remoteproc_virtio.c:25:0: include/linux/virtio_ring.h:93:19: note: declared here struct virtqueue *vring_new_virtqueue(unsigned int index, ^~~~~~~~~~~~~~~~~~~ drivers/remoteproc/remoteproc_virtio.c: At top level: drivers/remoteproc/remoteproc_virtio.c:264:14: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types] .find_vqs = rproc_virtio_find_vqs, ^~~~~~~~~~~~~~~~~~~~~ drivers/remoteproc/remoteproc_virtio.c:264:14: note: (near initialization for 'rproc_virtio_config_ops.find_vqs') cc1: some warnings being treated as errors vim +106 drivers/remoteproc/remoteproc_virtio.c 6457f126c drivers/remoteproc/remoteproc_virtio.c Michael S. Tsirkin 2012-09-05 90 6db20ea8d drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-05-17 91 rvring = &rvdev->vring[id]; 7a1869416 drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-02-13 92 addr = rvring->va; 7a1869416 drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-02-13 93 len = rvring->len; ac8954a41 drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2011-10-20 94 7a1869416 drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-02-13 95 /* zero vring */ 7a1869416 drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-02-13 96 size = vring_size(len, rvring->align); 7a1869416 drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-02-13 97 memset(addr, 0, size); ac8954a41 drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2011-10-20 98 b5ab5e24e drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-05-30 99 dev_dbg(dev, "vring%d: va %p qsz %d notifyid %d\n", 7a1869416 drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-02-13 100 id, addr, len, rvring->notifyid); ac8954a41 drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2011-10-20 101 dd6da1c5e drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2012-01-12 102 /* dd6da1c5e drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2012-01-12 103 * Create the new vq, and tell virtio we're not interested in dd6da1c5e drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2012-01-12 104 * the 'weak' smp barriers, since we're talking with a real device. dd6da1c5e drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2012-01-12 105 */ 17bb6d408 drivers/remoteproc/remoteproc_virtio.c Jason Wang 2012-08-28 @106 vq = vring_new_virtqueue(id, len, rvring->align, vdev, false, addr, ac8954a41 drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2011-10-20 107 rproc_virtio_notify, callback, name); ac8954a41 drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2011-10-20 108 if (!vq) { b5ab5e24e drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-05-30 109 dev_err(dev, "vring_new_virtqueue %s failed\n", name); 6db20ea8d drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-05-17 110 rproc_free_vring(rvring); 7a1869416 drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-02-13 111 return ERR_PTR(-ENOMEM); ac8954a41 drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2011-10-20 112 } ac8954a41 drivers/remoteproc/remoteproc_rpmsg.c Ohad Ben-Cohen 2011-10-20 113 7a1869416 drivers/remoteproc/remoteproc_virtio.c Ohad Ben-Cohen 2012-02-13 114 rvring->vq = vq; :::::: The code at line 106 was first introduced by commit :::::: 17bb6d40880d4178f5f8a75900ed8c9ff47d3fb2 virtio-ring: move queue_index to vring_virtqueue :::::: TO: Jason Wang <jasowang@xxxxxxxxxx> :::::: CC: Rusty Russell <rusty@xxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization