Hi Anastasia, kernel test robot noticed the following build errors: [auto build test ERROR on jejb-scsi/for-next] [also build test ERROR on mkp-scsi/for-next linus/master v6.12-rc2 next-20241010] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Anastasia-Kovaleva/scsi-qla2xxx-Drop-starvation-counter-on-success/20241009-192031 base: https://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi.git for-next patch link: https://lore.kernel.org/r/20241009111654.4697-2-a.kovaleva%40yadro.com patch subject: [PATCH v2 1/3] scsi: qla2xxx: Drop starvation counter on success config: um-allmodconfig (https://download.01.org/0day-ci/archive/20241011/202410110059.pb1whtvg-lkp@xxxxxxxxx/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 70e0a7e7e6a8541bcc46908c592eed561850e416) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241011/202410110059.pb1whtvg-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410110059.pb1whtvg-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/scsi/qla2xxx/qla_target.c:20: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:8: In file included from include/linux/cacheflush.h:5: In file included from arch/um/include/asm/cacheflush.h:4: In file included from arch/um/include/asm/tlbflush.h:9: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ In file included from drivers/scsi/qla2xxx/qla_target.c:20: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) ((__force __u16)(__le16)(x)) | ^ In file included from drivers/scsi/qla2xxx/qla_target.c:20: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) ((__force __u32)(__le32)(x)) | ^ In file included from drivers/scsi/qla2xxx/qla_target.c:20: In file included from include/linux/blkdev.h:9: In file included from include/linux/blk_types.h:10: In file included from include/linux/bvec.h:10: In file included from include/linux/highmem.h:12: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:5: In file included from include/asm-generic/hardirq.h:17: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:14: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/scsi/qla2xxx/qla_target.c:6833:4: error: cannot take the address of an rvalue of type 'uint8_t *' (aka 'unsigned char *') 6833 | WRITE_ONCE(&vha->hw->exch_starvation, 0); | ^ ~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/rwonce.h:61:2: note: expanded from macro 'WRITE_ONCE' 61 | __WRITE_ONCE(x, val); \ | ^ ~ include/asm-generic/rwonce.h:55:25: note: expanded from macro '__WRITE_ONCE' 55 | *(volatile typeof(x) *)&(x) = (val); \ | ^ ~ 13 warnings and 1 error generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for MODVERSIONS Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y] Selected by [y]: - RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y] WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] vim +6833 drivers/scsi/qla2xxx/qla_target.c 6793 6794 /* 6795 * qlt_24xx_process_atio_queue() - Process ATIO queue entries. 6796 * @ha: SCSI driver HA context 6797 */ 6798 void 6799 qlt_24xx_process_atio_queue(struct scsi_qla_host *vha, uint8_t ha_locked) 6800 { 6801 struct qla_hw_data *ha = vha->hw; 6802 struct atio_from_isp *pkt; 6803 int cnt, i; 6804 6805 if (!ha->flags.fw_started) 6806 return; 6807 6808 while ((ha->tgt.atio_ring_ptr->signature != ATIO_PROCESSED) || 6809 fcpcmd_is_corrupted(ha->tgt.atio_ring_ptr)) { 6810 pkt = (struct atio_from_isp *)ha->tgt.atio_ring_ptr; 6811 cnt = pkt->u.raw.entry_count; 6812 6813 if (unlikely(fcpcmd_is_corrupted(ha->tgt.atio_ring_ptr))) { 6814 /* 6815 * This packet is corrupted. The header + payload 6816 * can not be trusted. There is no point in passing 6817 * it further up. 6818 */ 6819 ql_log(ql_log_warn, vha, 0xd03c, 6820 "corrupted fcp frame SID[%3phN] OXID[%04x] EXCG[%x] %64phN\n", 6821 &pkt->u.isp24.fcp_hdr.s_id, 6822 be16_to_cpu(pkt->u.isp24.fcp_hdr.ox_id), 6823 pkt->u.isp24.exchange_addr, pkt); 6824 6825 adjust_corrupted_atio(pkt); 6826 qlt_send_term_exchange(ha->base_qpair, NULL, pkt, 6827 ha_locked, 0); 6828 } else { 6829 /* 6830 * If we get correct ATIO, then HBA had enough memory 6831 * to proceed without reset. 6832 */ > 6833 WRITE_ONCE(&vha->hw->exch_starvation, 0); 6834 6835 qlt_24xx_atio_pkt_all_vps(vha, 6836 (struct atio_from_isp *)pkt, ha_locked); 6837 } 6838 6839 for (i = 0; i < cnt; i++) { 6840 ha->tgt.atio_ring_index++; 6841 if (ha->tgt.atio_ring_index == ha->tgt.atio_q_length) { 6842 ha->tgt.atio_ring_index = 0; 6843 ha->tgt.atio_ring_ptr = ha->tgt.atio_ring; 6844 } else 6845 ha->tgt.atio_ring_ptr++; 6846 6847 pkt->u.raw.signature = cpu_to_le32(ATIO_PROCESSED); 6848 pkt = (struct atio_from_isp *)ha->tgt.atio_ring_ptr; 6849 } 6850 wmb(); 6851 } 6852 6853 /* Adjust ring index */ 6854 wrt_reg_dword(ISP_ATIO_Q_OUT(vha), ha->tgt.atio_ring_index); 6855 } 6856 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki