Hi Arnd, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git nvme-platform head: 7dc06cf18b266aa30ab60ffd33ac7cfce46bf06d commit: 7dc06cf18b266aa30ab60ffd33ac7cfce46bf06d [8/8] nvme: add platform driver registration config: m68k-allmodconfig (attached as .config) compiler: m68k-linux-gcc (GCC) 9.3.0 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/arnd/playground.git/commi... git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git git fetch --no-tags arnd-playground nvme-platform git checkout 7dc06cf18b266aa30ab60ffd33ac7cfce46bf06d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=m68k 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 >>): In file included from include/linux/build_bug.h:5, from include/linux/bits.h:22, from include/linux/ioport.h:13, from include/linux/acpi.h:12, from drivers/nvme/host/pci.c:7: include/linux/scatterlist.h: In function 'sg_set_buf': arch/m68k/include/asm/page_mm.h:174:49: warning: ordered comparison of pointer with null pointer [-Wextra] 174 | #define virt_addr_valid(kaddr) ((void *)(kaddr) >= (void *)PAGE_OFFSET && (void *)(kaddr) < high_memory) | ^~ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/scatterlist.h:137:2: note: in expansion of macro 'BUG_ON' 137 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~ include/linux/scatterlist.h:137:10: note: in expansion of macro 'virt_addr_valid' 137 | BUG_ON(!virt_addr_valid(buf)); | ^~~~~~~~~~~~~~~ drivers/nvme/host/pci.c: In function 'nvme_queue_free_irq': 1432 | pci_free_irq(pdev, nvmeq->cq_vector, nvmeq); | ^~~~~~~~~~~~ | pcibios_free_irq drivers/nvme/host/pci.c: In function 'nvme_queue_request_irq': 1596 | return pci_request_irq(pdev, nvmeq->cq_vector, handler, | ^~~~~~~~~~~~~~~ | pci_request_acs drivers/nvme/host/pci.c: In function 'nvme_pci_map_cmb': 1902 | (pci_bus_address(pdev, bar) + offset), | ^~~~~~~~~~~~~~~ drivers/nvme/host/pci.c: In function 'nvme_setup_irqs': 2198 | PCI_IRQ_ALL_TYPES | PCI_IRQ_AFFINITY, &affd); | ^~~~~~~~~~~~~~~~~ drivers/nvme/host/pci.c:2198:10: note: each undeclared identifier is reported only once for each function it appears in drivers/nvme/host/pci.c: In function 'nvme_pci_free_irqs': 2210 | pci_free_irq_vectors(pdev); | ^~~~~~~~~~~~~~~~~~~~ | pci_alloc_irq_vectors drivers/nvme/host/pci.c: In function 'nvme_pci_enable': 2473 | if (pci_enable_device_mem(pdev)) | ^~~~~~~~~~~~~~~~~~~~~ | pci_enable_device drivers/nvme/host/pci.c:2487:45: error: 'PCI_IRQ_ALL_TYPES' undeclared (first use in this function) 2487 | result = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES); | ^~~~~~~~~~~~~~~~~ drivers/nvme/host/pci.c: In function 'nvme_pci_dev_unmap': 2523 | pci_release_mem_regions(pdev); | ^~~~~~~~~~~~~~~~~~~~~~~ | pci_release_regions drivers/nvme/host/pci.c: In function 'nvme_pci_disable': 2530 | if (pci_is_enabled(pdev)) { | ^~~~~~~~~~~~~~ | pci_acs_enabled drivers/nvme/host/pci.c: In function 'nvme_setup_irqs': drivers/nvme/host/pci.c:2199:1: error: control reaches end of non-void function [-Werror=return-type] 2199 | } | ^ At top level: drivers/nvme/host/pci.c:2593:12: warning: 'nvme_disable_prepare_reset' defined but not used [-Wunused-function] 2593 | static int nvme_disable_prepare_reset(struct nvme_dev *dev, bool shutdown) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/nvme/host/pci.c:2519:13: warning: 'nvme_pci_dev_unmap' defined but not used [-Wunused-function] 2519 | static void nvme_pci_dev_unmap(struct pci_dev *pdev, struct nvme_dev *dev) | ^~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +1432 drivers/nvme/host/pci.c 224042742582c9 drivers/block/nvme-core.c Keith Busch 2013-07-15 1426 d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1427 static void nvme_queue_free_irq(struct nvme_queue *nvmeq) d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1428 { d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1429 struct pci_dev *pdev = nvme_pci_dev(nvmeq->dev); d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1430 daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1431 if (pdev) d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 @1432 pci_free_irq(pdev, nvmeq->cq_vector, nvmeq); daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1433 else daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1434 free_irq(nvmeq->dev->platform_irq, nvmeq); d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1435 } d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1436 d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1437 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1438 /** d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1439 * nvme_pci_suspend_queue - put queue into suspended state 40581d1a91a152 drivers/nvme/host/pci.c Bart Van Assche 2018-10-08 1440 * @nvmeq: queue to suspend 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1441 */ 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1442 static int nvme_suspend_queue(struct nvme_queue *nvmeq) b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1443 { 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1444 if (!test_and_clear_bit(NVMEQ_ENABLED, &nvmeq->flags)) 2b25d981790b83 drivers/block/nvme-core.c Keith Busch 2014-12-22 1445 return 1; a09115b23e2002 drivers/block/nvme.c Matthew Wilcox 2012-08-07 1446 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1447 /* ensure that nvme_queue_rq() sees NVMEQ_ENABLED cleared */ d1f06f4ae0410f drivers/nvme/host/pci.c Jens Axboe 2018-05-17 1448 mb(); a09115b23e2002 drivers/block/nvme.c Matthew Wilcox 2012-08-07 1449 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1450 nvmeq->dev->online_queues--; 1c63dc66580d4b drivers/nvme/host/pci.c Christoph Hellwig 2015-11-26 1451 if (!nvmeq->qid && nvmeq->dev->ctrl.admin_q) c81545f991a661 drivers/nvme/host/pci.c Sagi Grimberg 2017-07-02 1452 blk_mq_quiesce_queue(nvmeq->dev->ctrl.admin_q); 7c349dde26b75d drivers/nvme/host/pci.c Keith Busch 2019-03-08 1453 if (!test_and_clear_bit(NVMEQ_POLLED, &nvmeq->flags)) d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1454 nvme_queue_free_irq(nvmeq); 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1455 return 0; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1456 } b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1457 8fae268b40f519 drivers/nvme/host/pci.c Keith Busch 2019-01-04 1458 static void nvme_suspend_io_queues(struct nvme_dev *dev) 8fae268b40f519 drivers/nvme/host/pci.c Keith Busch 2019-01-04 1459 { 8fae268b40f519 drivers/nvme/host/pci.c Keith Busch 2019-01-04 1460 int i; 8fae268b40f519 drivers/nvme/host/pci.c Keith Busch 2019-01-04 1461 8fae268b40f519 drivers/nvme/host/pci.c Keith Busch 2019-01-04 1462 for (i = dev->ctrl.queue_count - 1; i > 0; i--) 8fae268b40f519 drivers/nvme/host/pci.c Keith Busch 2019-01-04 1463 nvme_suspend_queue(&dev->queues[i]); 8fae268b40f519 drivers/nvme/host/pci.c Keith Busch 2019-01-04 1464 } 8fae268b40f519 drivers/nvme/host/pci.c Keith Busch 2019-01-04 1465 a5cdb68c2c10f0 drivers/nvme/host/pci.c Keith Busch 2016-01-12 1466 static void nvme_disable_admin_queue(struct nvme_dev *dev, bool shutdown) 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1467 { 147b27e4bd0840 drivers/nvme/host/pci.c Sagi Grimberg 2018-01-14 1468 struct nvme_queue *nvmeq = &dev->queues[0]; 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1469 a5cdb68c2c10f0 drivers/nvme/host/pci.c Keith Busch 2016-01-12 1470 if (shutdown) a5cdb68c2c10f0 drivers/nvme/host/pci.c Keith Busch 2016-01-12 1471 nvme_shutdown_ctrl(&dev->ctrl); a5cdb68c2c10f0 drivers/nvme/host/pci.c Keith Busch 2016-01-12 1472 else b5b0504878b884 drivers/nvme/host/pci.c Sagi Grimberg 2019-07-22 1473 nvme_disable_ctrl(&dev->ctrl); 07836e659c81ec drivers/block/nvme-core.c Keith Busch 2015-02-19 1474 bf392a5dc02a9b drivers/nvme/host/pci.c Keith Busch 2020-03-02 1475 nvme_poll_irqdisable(nvmeq); 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1476 } 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1477 fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1478 /* fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1479 * Called only on a device that has been disabled and after all other threads 9210c075cef29c drivers/nvme/host/pci.c Dongli Zhang 2020-05-27 1480 * that can check this device's completion queues have synced, except 9210c075cef29c drivers/nvme/host/pci.c Dongli Zhang 2020-05-27 1481 * nvme_poll(). This is the last chance for the driver to see a natural 9210c075cef29c drivers/nvme/host/pci.c Dongli Zhang 2020-05-27 1482 * completion before nvme_cancel_request() terminates all incomplete requests. fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1483 */ fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1484 static void nvme_reap_pending_cqes(struct nvme_dev *dev) fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1485 { fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1486 int i; fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1487 9210c075cef29c drivers/nvme/host/pci.c Dongli Zhang 2020-05-27 1488 for (i = dev->ctrl.queue_count - 1; i > 0; i--) { 9210c075cef29c drivers/nvme/host/pci.c Dongli Zhang 2020-05-27 1489 spin_lock(&dev->queues[i].cq_poll_lock); 324b494c286298 drivers/nvme/host/pci.c Keith Busch 2020-03-02 1490 nvme_process_cq(&dev->queues[i]); 9210c075cef29c drivers/nvme/host/pci.c Dongli Zhang 2020-05-27 1491 spin_unlock(&dev->queues[i].cq_poll_lock); 9210c075cef29c drivers/nvme/host/pci.c Dongli Zhang 2020-05-27 1492 } fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1493 } fa46c6fb5d61b1 drivers/nvme/host/pci.c Keith Busch 2020-02-13 1494 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1495 static int nvme_cmb_qdepth(struct nvme_dev *dev, int nr_io_queues, 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1496 int entry_size) 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1497 { 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1498 int q_depth = dev->q_depth; 5fd4ce1b005bd6 drivers/nvme/host/pci.c Christoph Hellwig 2015-11-28 1499 unsigned q_size_aligned = roundup(q_depth * entry_size, 6c3c05b087ada8 drivers/nvme/host/pci.c Chaitanya Kulkarni 2020-07-16 1500 NVME_CTRL_PAGE_SIZE); 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1501 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1502 if (q_size_aligned * nr_io_queues > dev->cmb_size) { c45f5c9943ce0b drivers/block/nvme-core.c Jon Derrick 2015-07-21 1503 u64 mem_per_q = div_u64(dev->cmb_size, nr_io_queues); 4e523547e2bf75 drivers/nvme/host/pci.c Baolin Wang 2020-07-03 1504 6c3c05b087ada8 drivers/nvme/host/pci.c Chaitanya Kulkarni 2020-07-16 1505 mem_per_q = round_down(mem_per_q, NVME_CTRL_PAGE_SIZE); c45f5c9943ce0b drivers/block/nvme-core.c Jon Derrick 2015-07-21 1506 q_depth = div_u64(mem_per_q, entry_size); 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1507 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1508 /* 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1509 * Ensure the reduced q_depth is above some threshold where it 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1510 * would be better to map queues in system memory with the 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1511 * original depth 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1512 */ 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1513 if (q_depth < 64) 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1514 return -ENOMEM; 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1515 } 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1516 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1517 return q_depth; 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1518 } 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1519 d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1520 static int nvme_pci_alloc_sq_cmds(struct nvme_dev *dev, struct nvme_queue *nvmeq, 8a1d09a668e7e2 drivers/nvme/host/pci.c Benjamin Herrenschmidt 2019-08-07 1521 int qid) 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1522 { d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1523 struct pci_dev *pdev = nvme_pci_dev(dev); 815c6704bf9f1c drivers/nvme/host/pci.c Keith Busch 2018-02-13 1524 165d0510c2356e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1525 if (pdev && qid && dev->cmb_use_sqes && (dev->cmbsz & NVME_CMBSZ_SQS)) { 8a1d09a668e7e2 drivers/nvme/host/pci.c Benjamin Herrenschmidt 2019-08-07 1526 nvmeq->sq_cmds = pci_alloc_p2pmem(pdev, SQ_SIZE(nvmeq)); bfac8e9f55cf62 drivers/nvme/host/pci.c Alan Mikhak 2019-07-08 1527 if (nvmeq->sq_cmds) { 0f238ff5cc9255 drivers/nvme/host/pci.c Logan Gunthorpe 2018-10-04 1528 nvmeq->sq_dma_addr = pci_p2pmem_virt_to_bus(pdev, 0f238ff5cc9255 drivers/nvme/host/pci.c Logan Gunthorpe 2018-10-04 1529 nvmeq->sq_cmds); 6322307809649c drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1530 if (nvmeq->sq_dma_addr) { 6322307809649c drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1531 set_bit(NVMEQ_SQ_CMB, &nvmeq->flags); 6322307809649c drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1532 return 0; 6322307809649c drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1533 } bfac8e9f55cf62 drivers/nvme/host/pci.c Alan Mikhak 2019-07-08 1534 8a1d09a668e7e2 drivers/nvme/host/pci.c Benjamin Herrenschmidt 2019-08-07 1535 pci_free_p2pmem(pdev, nvmeq->sq_cmds, SQ_SIZE(nvmeq)); bfac8e9f55cf62 drivers/nvme/host/pci.c Alan Mikhak 2019-07-08 1536 } 0f238ff5cc9255 drivers/nvme/host/pci.c Logan Gunthorpe 2018-10-04 1537 } 815c6704bf9f1c drivers/nvme/host/pci.c Keith Busch 2018-02-13 1538 8a1d09a668e7e2 drivers/nvme/host/pci.c Benjamin Herrenschmidt 2019-08-07 1539 nvmeq->sq_cmds = dma_alloc_coherent(dev->dev, SQ_SIZE(nvmeq), 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1540 &nvmeq->sq_dma_addr, GFP_KERNEL); 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1541 if (!nvmeq->sq_cmds) 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1542 return -ENOMEM; 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1543 return 0; 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1544 } 8ffaadf7429270 drivers/block/nvme-core.c Jon Derrick 2015-07-20 1545 a6ff7262c26c19 drivers/nvme/host/pci.c Keith Busch 2018-04-12 1546 static int nvme_alloc_queue(struct nvme_dev *dev, int qid, int depth) b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1547 { 147b27e4bd0840 drivers/nvme/host/pci.c Sagi Grimberg 2018-01-14 1548 struct nvme_queue *nvmeq = &dev->queues[qid]; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1549 62314e405fa101 drivers/nvme/host/pci.c Keith Busch 2018-01-23 1550 if (dev->ctrl.queue_count > qid) 62314e405fa101 drivers/nvme/host/pci.c Keith Busch 2018-01-23 1551 return 0; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1552 c1e0cc7e1d3199 drivers/nvme/host/pci.c Benjamin Herrenschmidt 2019-08-07 1553 nvmeq->sqes = qid ? dev->io_sqes : NVME_ADM_SQES; 8a1d09a668e7e2 drivers/nvme/host/pci.c Benjamin Herrenschmidt 2019-08-07 1554 nvmeq->q_depth = depth; 8a1d09a668e7e2 drivers/nvme/host/pci.c Benjamin Herrenschmidt 2019-08-07 1555 nvmeq->cqes = dma_alloc_coherent(dev->dev, CQ_SIZE(nvmeq), b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1556 &nvmeq->cq_dma_addr, GFP_KERNEL); b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1557 if (!nvmeq->cqes) b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1558 goto free_nvmeq; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1559 d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1560 if (nvme_pci_alloc_sq_cmds(dev, nvmeq, qid)) b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1561 goto free_cqdma; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1562 091b609258b8e0 drivers/block/nvme.c Matthew Wilcox 2011-02-10 1563 nvmeq->dev = dev; 1ab0cd6966fc4a drivers/nvme/host/pci.c Jens Axboe 2018-05-17 1564 spin_lock_init(&nvmeq->sq_lock); 3a7afd8ee42a68 drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1565 spin_lock_init(&nvmeq->cq_poll_lock); b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1566 nvmeq->cq_head = 0; 821234603b265f drivers/block/nvme.c Matthew Wilcox 2011-01-20 1567 nvmeq->cq_phase = 1; b80d5ccca3a012 drivers/block/nvme-core.c Haiyan Hu 2013-09-10 1568 nvmeq->q_db = &dev->dbs[qid * 2 * dev->db_stride]; c30341dc3c436c drivers/block/nvme-core.c Keith Busch 2013-12-10 1569 nvmeq->qid = qid; d858e5f04e58a4 drivers/nvme/host/pci.c Sagi Grimberg 2017-04-24 1570 dev->ctrl.queue_count++; 36a7e993eedb2c drivers/block/nvme-core.c Jon Derrick 2015-05-27 1571 147b27e4bd0840 drivers/nvme/host/pci.c Sagi Grimberg 2018-01-14 1572 return 0; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1573 b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1574 free_cqdma: 8a1d09a668e7e2 drivers/nvme/host/pci.c Benjamin Herrenschmidt 2019-08-07 1575 dma_free_coherent(dev->dev, CQ_SIZE(nvmeq), (void *)nvmeq->cqes, b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1576 nvmeq->cq_dma_addr); b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1577 free_nvmeq: 147b27e4bd0840 drivers/nvme/host/pci.c Sagi Grimberg 2018-01-14 1578 return -ENOMEM; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1579 } b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1580 d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1581 static int nvme_queue_request_irq(struct nvme_queue *nvmeq) 3001082cac4bf6 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1582 { d34fe42db54c5c drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1583 struct pci_dev *pdev = nvme_pci_dev(nvmeq->dev); daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1584 irq_handler_t handler, thread_fn; 0ff199cb48b4af drivers/nvme/host/pci.c Christoph Hellwig 2017-04-13 1585 int nr = nvmeq->dev->ctrl.instance; 0ff199cb48b4af drivers/nvme/host/pci.c Christoph Hellwig 2017-04-13 1586 0ff199cb48b4af drivers/nvme/host/pci.c Christoph Hellwig 2017-04-13 1587 if (use_threaded_interrupts) { daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1588 handler = nvme_irq_check; daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1589 thread_fn = nvme_irq; 0ff199cb48b4af drivers/nvme/host/pci.c Christoph Hellwig 2017-04-13 1590 } else { daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1591 handler = nvme_irq; daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1592 thread_fn = NULL; 0ff199cb48b4af drivers/nvme/host/pci.c Christoph Hellwig 2017-04-13 1593 } daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1594 daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1595 if (pdev) daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 @1596 return pci_request_irq(pdev, nvmeq->cq_vector, handler, daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1597 thread_fn, nvmeq, "nvme%dq%d", nr, daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1598 nvmeq->qid); daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1599 daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1600 return request_threaded_irq(nvmeq->dev->platform_irq, handler, daa71369c9422e drivers/nvme/host/pci.c Arnd Bergmann 2021-02-13 1601 thread_fn, 0, "nvme", nvmeq); 3001082cac4bf6 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1602 } 3001082cac4bf6 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1603 :::::: The code at line 1432 was first introduced by commit :::::: d34fe42db54c5cbd0487d559c90ad11d146c8546 nvme: pci: rename pci specific functions :::::: TO: Arnd Bergmann <arnd(a)arndb.de&gt; :::::: CC: Arnd Bergmann <arnd(a)arndb.de&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org