tree: https://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git dsa_page_zero_prototype head: 443bff56d346197a2f8c09c7159ebc9e7440429b commit: 2b2a2452424b633e0ee5d2d209a949ee619a4f5c [17/39] dmaengine: idxd: add a test module for kdirect API config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git/commit/?id... git remote add aegl https://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git git fetch --no-tags aegl dsa_page_zero_prototype git checkout 2b2a2452424b633e0ee5d2d209a949ee619a4f5c # save the attached .config to linux build tree make W=1 ARCH=x86_64 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 >>): drivers/dma/idxd/ktest.c: In function 'submit_memmove_operation': 76 | u8 status; | ^~~~~~ cc1: all warnings being treated as errors vim +/status +76 drivers/dma/idxd/ktest.c 63 64 static int submit_memmove_operation(struct dma_chan *chan, 65 struct dmatest_thread *thread, 66 struct dmatest_data *src, 67 struct dmatest_data *dst, 68 unsigned int len, 69 int timeout) 70 { 71 struct dma_device *dma = chan->device; 72 struct dmatest_done *done = &thread->test_done; 73 struct idxd_desc *desc; 74 struct dsa_hw_desc *hw; 75 struct dma_async_tx_descriptor *tx; 77 dma_cookie_t cookie; 78 79 desc = (struct idxd_desc *)dma->kdops.device_get_desc(chan, IDXD_OP_BLOCK); 80 if (IS_ERR(desc)) { 81 pr_warn("desc alloc failed\n"); 82 return PTR_ERR(desc); 83 } 84 85 tx = &desc->txd; 86 tx->flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT; 87 88 hw = desc->hw; 89 hw->flags = IDXD_OP_FLAG_CRAV | IDXD_OP_FLAG_RCR | IDXD_OP_FLAG_RCI; 90 hw->opcode = DSA_OPCODE_MEMMOVE; 91 hw->src_addr = (u64)(src->aligned[0] + src->off); 92 hw->dst_addr = (u64)(dst->aligned[0] + dst->off); 93 hw->xfer_size = len; 94 hw->priv = 1; 95 hw->completion_addr = (u64)desc->completion; 96 /* int_handle and pasid filled by alloc_desc */ 97 98 done->done = false; 99 tx->callback = idxd_ktest_callback; 100 tx->callback_param = done; 101 102 cookie = tx->tx_submit(tx); 103 104 if (dma_submit_error(cookie)) { 105 pr_warn("%s submit error!", __func__); 106 msleep(100); 107 return -ENXIO; 108 } 109 110 dma_async_issue_pending(chan); 111 112 wait_event_freezable_timeout(thread->done_wait, done->done, timeout); 113 114 status = dma_async_is_tx_complete(chan, cookie, NULL, NULL); 115 116 if (!done->done) { 117 pr_warn("%s: test timed out!", __func__); 118 return -ENXIO; 119 } 120 121 return 0; 122 } 123 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org