tree: https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git wip-blk-crypto-cleanup head: 830b1ca866c2329b3f40b5910adab46823c27ccf commit: 74a73f1cda07f0e35eecd61ce405a8c5c05ef19a [5/6] blk-crypto: rename blk_keyslot_manager to blk_crypto_profile config: arc-randconfig-r032-20210910 (attached as .config) compiler: arceb-elf-gcc (GCC) 11.2.0 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://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git/commit... git remote add ebiggers https://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux.git git fetch --no-tags ebiggers wip-blk-crypto-cleanup git checkout 74a73f1cda07f0e35eecd61ce405a8c5c05ef19a # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): block/blk-integrity.c: In function 'blk_integrity_register': 412 | if (disk->queue->ksm) { | ^~ 414 | blk_ksm_unregister(disk->queue); | ^~~~~~~~~~~~~~~~~~ | class_unregister cc1: all warnings being treated as errors vim +412 block/blk-integrity.c 4125a09b0a0d57 Dan Williams 2015-10-21 385 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 386 /** 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 387 * blk_integrity_register - Register a gendisk as being integrity-capable 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 388 * @disk: struct gendisk pointer to make integrity-aware 25520d55cdb6ee Martin K. Petersen 2015-10-21 389 * @template: block integrity profile to register 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 390 * 25520d55cdb6ee Martin K. Petersen 2015-10-21 391 * Description: When a device needs to advertise itself as being able to 25520d55cdb6ee Martin K. Petersen 2015-10-21 392 * send/receive integrity metadata it must use this function to register 25520d55cdb6ee Martin K. Petersen 2015-10-21 393 * the capability with the block layer. The template is a blk_integrity 25520d55cdb6ee Martin K. Petersen 2015-10-21 394 * struct with values appropriate for the underlying hardware. See 898bd37a92063e Mauro Carvalho Chehab 2019-04-18 395 * Documentation/block/data-integrity.rst. 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 396 */ 25520d55cdb6ee Martin K. Petersen 2015-10-21 397 void blk_integrity_register(struct gendisk *disk, struct blk_integrity *template) 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 398 { ac6fc48c9fb7d3 Dan Williams 2015-10-21 399 struct blk_integrity *bi = &disk->queue->integrity; 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 400 25520d55cdb6ee Martin K. Petersen 2015-10-21 401 bi->flags = BLK_INTEGRITY_VERIFY | BLK_INTEGRITY_GENERATE | 25520d55cdb6ee Martin K. Petersen 2015-10-21 402 template->flags; 2859323e35ab5f Mike Snitzer 2017-04-22 403 bi->interval_exp = template->interval_exp ? : 2859323e35ab5f Mike Snitzer 2017-04-22 404 ilog2(queue_logical_block_size(disk->queue)); 4125a09b0a0d57 Dan Williams 2015-10-21 405 bi->profile = template->profile ? template->profile : &nop_profile; 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 406 bi->tuple_size = template->tuple_size; 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 407 bi->tag_size = template->tag_size; 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 408 1cb039f3dc1619 Christoph Hellwig 2020-09-24 409 blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, disk->queue); d145dc23030bbf Satya Tangirala 2020-05-14 410 d145dc23030bbf Satya Tangirala 2020-05-14 411 #ifdef CONFIG_BLK_INLINE_ENCRYPTION d145dc23030bbf Satya Tangirala 2020-05-14 @412 if (disk->queue->ksm) { d145dc23030bbf Satya Tangirala 2020-05-14 413 pr_warn("blk-integrity: Integrity and hardware inline encryption are not supported together. Disabling hardware inline encryption.\n"); d145dc23030bbf Satya Tangirala 2020-05-14 @414 blk_ksm_unregister(disk->queue); d145dc23030bbf Satya Tangirala 2020-05-14 415 } d145dc23030bbf Satya Tangirala 2020-05-14 416 #endif 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 417 } 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 418 EXPORT_SYMBOL(blk_integrity_register); 7ba1ba12eeef0a Martin K. Petersen 2008-06-30 419 :::::: The code at line 412 was first introduced by commit :::::: d145dc23030bbf2de3a8ca5e0c29c2e568f69737 block: Make blk-integrity preclude hardware inline encryption :::::: TO: Satya Tangirala <satyat(a)google.com&gt; :::::: CC: Jens Axboe <axboe(a)kernel.dk&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org