Hi zhenwei, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on herbert-cryptodev-2.6/master] [also build test WARNING on herbert-crypto-2.6/master linux/master linus/master v5.16 next-20220121] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/zhenwei-pi/Introduce-akcipher-service-for-virtio-crypto/20220121-102730 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: hexagon-randconfig-r026-20220120 (https://download.01.org/0day-ci/archive/20220121/202201211427.TgczsUOo-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d4baf3b1322b84816aa623d8e8cb45a49cb68b84) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/fa1045d13dd16399ab0287c599719a977892cf05 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review zhenwei-pi/Introduce-akcipher-service-for-virtio-crypto/20220121-102730 git checkout fa1045d13dd16399ab0287c599719a977892cf05 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/crypto/virtio/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/crypto/virtio/virtio_crypto_akcipher_algo.c:276:5: warning: no previous prototype for function 'virtio_crypto_rsa_do_req' [-Wmissing-prototypes] int virtio_crypto_rsa_do_req(struct crypto_engine *engine, void *vreq) ^ drivers/crypto/virtio/virtio_crypto_akcipher_algo.c:276:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int virtio_crypto_rsa_do_req(struct crypto_engine *engine, void *vreq) ^ static 1 warning generated. vim +/virtio_crypto_rsa_do_req +276 drivers/crypto/virtio/virtio_crypto_akcipher_algo.c 275 > 276 int virtio_crypto_rsa_do_req(struct crypto_engine *engine, void *vreq) 277 { 278 struct akcipher_request *req = container_of(vreq, struct akcipher_request, base); 279 struct virtio_crypto_akcipher_request *vc_akcipher_req = akcipher_request_ctx(req); 280 struct virtio_crypto_request *vc_req = &vc_akcipher_req->base; 281 struct virtio_crypto_akcipher_ctx *ctx = vc_akcipher_req->akcipher_ctx; 282 struct virtio_crypto *vcrypto = ctx->vcrypto; 283 struct data_queue *data_vq = vc_req->dataq; 284 struct virtio_crypto_op_header *header; 285 struct virtio_crypto_akcipher_data_req *akcipher_req; 286 int ret; 287 288 vc_req->sgs = NULL; 289 vc_req->req_data = kzalloc_node(sizeof(*vc_req->req_data), 290 GFP_KERNEL, dev_to_node(&vcrypto->vdev->dev)); 291 if (!vc_req->req_data) 292 return -ENOMEM; 293 294 /* build request header */ 295 header = &vc_req->req_data->header; 296 header->opcode = cpu_to_le32(vc_akcipher_req->opcode); 297 header->algo = cpu_to_le32(VIRTIO_CRYPTO_AKCIPHER_RSA); 298 header->session_id = cpu_to_le64(ctx->session_id); 299 300 /* build request akcipher data */ 301 akcipher_req = &vc_req->req_data->u.akcipher_req; 302 akcipher_req->para.src_data_len = cpu_to_le32(req->src_len); 303 akcipher_req->para.dst_data_len = cpu_to_le32(req->dst_len); 304 305 ret = __virtio_crypto_akcipher_do_req(vc_akcipher_req, req, data_vq); 306 if (ret < 0) { 307 kfree_sensitive(vc_req->req_data); 308 vc_req->req_data = NULL; 309 return ret; 310 } 311 312 return 0; 313 } 314 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
