Hi Jens, I love your patch! Yet something to improve: [auto build test ERROR on linux/master] [also build test ERROR on tip/sched/core linus/master v5.12-rc3 next-20210319] [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/Jens-Axboe/PF_IO_WORKER-signal-tweaks/20210320-234247 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git a74e6a014c9d4d4161061f770c9b4f98372ac778 config: riscv-randconfig-r024-20210321 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 436c6c9c20cc522c92a923440a5fc509c342a7db) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/0day-ci/linux/commit/05c70f370b93f3bf555e63293d43a82aab2fcdf3 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jens-Axboe/PF_IO_WORKER-signal-tweaks/20210320-234247 git checkout 05c70f370b93f3bf555e63293d43a82aab2fcdf3 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from drivers/ata/ahci.c:21: In file included from include/linux/pci.h:1456: In file included from include/linux/dmapool.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:707: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: >> include/linux/sched/signal.h:673:33: error: expected ';' after return statement return p1->signal == p2->signal ^ ; drivers/ata/ahci.c:104:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT("ahci"), ^~~~~~~~~~~~~~~~ drivers/ata/ahci.h:387:16: note: expanded from macro 'AHCI_SHT' .can_queue = AHCI_MAX_CMDS, \ ^~~~~~~~~~~~~ drivers/ata/ahci.c:104:2: note: previous initialization is here AHCI_SHT("ahci"), ^~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1418:2: note: expanded from macro 'ATA_NCQ_SHT' __ATA_BASE_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1400:16: note: expanded from macro '__ATA_BASE_SHT' .can_queue = ATA_DEF_QUEUE, \ ^~~~~~~~~~~~~ drivers/ata/ahci.c:104:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT("ahci"), ^~~~~~~~~~~~~~~~ drivers/ata/ahci.h:391:17: note: expanded from macro 'AHCI_SHT' .sdev_attrs = ahci_sdev_attrs ^~~~~~~~~~~~~~~ drivers/ata/ahci.c:104:2: note: previous initialization is here AHCI_SHT("ahci"), ^~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1419:17: note: expanded from macro 'ATA_NCQ_SHT' .sdev_attrs = ata_ncq_sdev_attrs, \ ^~~~~~~~~~~~~~~~~~ 2 warnings and 1 error generated. -- In file included from drivers/ata/ahci_xgene.c:19: In file included from include/linux/phy/phy.h:17: In file included from include/linux/regulator/consumer.h:35: In file included from include/linux/suspend.h:5: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:17: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: >> include/linux/sched/signal.h:673:33: error: expected ';' after return statement return p1->signal == p2->signal ^ ; drivers/ata/ahci_xgene.c:718:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:387:16: note: expanded from macro 'AHCI_SHT' .can_queue = AHCI_MAX_CMDS, \ ^~~~~~~~~~~~~ drivers/ata/ahci_xgene.c:718:2: note: previous initialization is here AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1418:2: note: expanded from macro 'ATA_NCQ_SHT' __ATA_BASE_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1400:16: note: expanded from macro '__ATA_BASE_SHT' .can_queue = ATA_DEF_QUEUE, \ ^~~~~~~~~~~~~ drivers/ata/ahci_xgene.c:718:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:391:17: note: expanded from macro 'AHCI_SHT' .sdev_attrs = ahci_sdev_attrs ^~~~~~~~~~~~~~~ drivers/ata/ahci_xgene.c:718:2: note: previous initialization is here AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1419:17: note: expanded from macro 'ATA_NCQ_SHT' .sdev_attrs = ata_ncq_sdev_attrs, \ ^~~~~~~~~~~~~~~~~~ 2 warnings and 1 error generated. -- In file included from drivers/ata/libata-core.c:30: In file included from include/linux/pci.h:1456: In file included from include/linux/dmapool.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:707: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: >> include/linux/sched/signal.h:673:33: error: expected ';' after return statement return p1->signal == p2->signal ^ ; 1 error generated. -- In file included from drivers/ata/acard-ahci.c:22: In file included from include/linux/pci.h:1456: In file included from include/linux/dmapool.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:707: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: >> include/linux/sched/signal.h:673:33: error: expected ';' after return statement return p1->signal == p2->signal ^ ; drivers/ata/acard-ahci.c:70:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT("acard-ahci"), ^~~~~~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:387:16: note: expanded from macro 'AHCI_SHT' .can_queue = AHCI_MAX_CMDS, \ ^~~~~~~~~~~~~ drivers/ata/acard-ahci.c:70:2: note: previous initialization is here AHCI_SHT("acard-ahci"), ^~~~~~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1418:2: note: expanded from macro 'ATA_NCQ_SHT' __ATA_BASE_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1400:16: note: expanded from macro '__ATA_BASE_SHT' .can_queue = ATA_DEF_QUEUE, \ ^~~~~~~~~~~~~ drivers/ata/acard-ahci.c:70:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT("acard-ahci"), ^~~~~~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:391:17: note: expanded from macro 'AHCI_SHT' .sdev_attrs = ahci_sdev_attrs ^~~~~~~~~~~~~~~ drivers/ata/acard-ahci.c:70:2: note: previous initialization is here AHCI_SHT("acard-ahci"), ^~~~~~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1419:17: note: expanded from macro 'ATA_NCQ_SHT' .sdev_attrs = ata_ncq_sdev_attrs, \ ^~~~~~~~~~~~~~~~~~ 2 warnings and 1 error generated. -- In file included from drivers/ata/ahci_platform.c:17: In file included from include/linux/libata.h:16: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:707: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: >> include/linux/sched/signal.h:673:33: error: expected ';' after return statement return p1->signal == p2->signal ^ ; drivers/ata/ahci_platform.c:40:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:387:16: note: expanded from macro 'AHCI_SHT' .can_queue = AHCI_MAX_CMDS, \ ^~~~~~~~~~~~~ drivers/ata/ahci_platform.c:40:2: note: previous initialization is here AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1418:2: note: expanded from macro 'ATA_NCQ_SHT' __ATA_BASE_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1400:16: note: expanded from macro '__ATA_BASE_SHT' .can_queue = ATA_DEF_QUEUE, \ ^~~~~~~~~~~~~ drivers/ata/ahci_platform.c:40:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:391:17: note: expanded from macro 'AHCI_SHT' .sdev_attrs = ahci_sdev_attrs ^~~~~~~~~~~~~~~ drivers/ata/ahci_platform.c:40:2: note: previous initialization is here AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1419:17: note: expanded from macro 'ATA_NCQ_SHT' .sdev_attrs = ata_ncq_sdev_attrs, \ ^~~~~~~~~~~~~~~~~~ 2 warnings and 1 error generated. -- In file included from drivers/ata/libahci_platform.c:19: In file included from include/linux/libata.h:16: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:707: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: >> include/linux/sched/signal.h:673:33: error: expected ';' after return statement return p1->signal == p2->signal ^ ; >> drivers/ata/libahci_platform.c:644:42: warning: shift count >= width of type [-Wshift-count-overflow] rc = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 1 warning and 1 error generated. -- In file included from drivers/ata/sata_sil24.c:13: In file included from include/linux/pci.h:1456: In file included from include/linux/dmapool.h:14: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:707: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: >> include/linux/sched/signal.h:673:33: error: expected ';' after return statement return p1->signal == p2->signal ^ ; drivers/ata/sata_sil24.c:378:16: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] .can_queue = SIL24_MAX_CMDS, ^~~~~~~~~~~~~~ drivers/ata/sata_sil24.c:377:2: note: previous initialization is here ATA_NCQ_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1418:2: note: expanded from macro 'ATA_NCQ_SHT' __ATA_BASE_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1400:16: note: expanded from macro '__ATA_BASE_SHT' .can_queue = ATA_DEF_QUEUE, \ ^~~~~~~~~~~~~ drivers/ata/sata_sil24.c:381:22: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] .tag_alloc_policy = BLK_TAG_ALLOC_FIFO, ^~~~~~~~~~~~~~~~~~ include/linux/blkdev.h:298:28: note: expanded from macro 'BLK_TAG_ALLOC_FIFO' #define BLK_TAG_ALLOC_FIFO 0 /* allocate starting from 0 */ ^ drivers/ata/sata_sil24.c:377:2: note: previous initialization is here ATA_NCQ_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1418:2: note: expanded from macro 'ATA_NCQ_SHT' __ATA_BASE_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1401:22: note: expanded from macro '__ATA_BASE_SHT' .tag_alloc_policy = BLK_TAG_ALLOC_RR, \ ^~~~~~~~~~~~~~~~ include/linux/blkdev.h:299:26: note: expanded from macro 'BLK_TAG_ALLOC_RR' #define BLK_TAG_ALLOC_RR 1 /* allocate starting from last allocated tag */ ^ >> drivers/ata/sata_sil24.c:1306:45: warning: shift count >= width of type [-Wshift-count-overflow] rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); ^~~~~~~~~~~~~~~~ include/linux/dma-mapping.h:76:54: note: expanded from macro 'DMA_BIT_MASK' #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) ^ ~~~ 3 warnings and 1 error generated. -- In file included from drivers/ata/ahci_ceva.c:11: In file included from include/linux/libata.h:16: In file included from include/linux/dma-mapping.h:10: In file included from include/linux/scatterlist.h:8: In file included from include/linux/mm.h:707: In file included from include/linux/huge_mm.h:8: In file included from include/linux/fs.h:33: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: >> include/linux/sched/signal.h:673:33: error: expected ';' after return statement return p1->signal == p2->signal ^ ; drivers/ata/ahci_ceva.c:187:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:387:16: note: expanded from macro 'AHCI_SHT' .can_queue = AHCI_MAX_CMDS, \ ^~~~~~~~~~~~~ drivers/ata/ahci_ceva.c:187:2: note: previous initialization is here AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1418:2: note: expanded from macro 'ATA_NCQ_SHT' __ATA_BASE_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1400:16: note: expanded from macro '__ATA_BASE_SHT' .can_queue = ATA_DEF_QUEUE, \ ^~~~~~~~~~~~~ drivers/ata/ahci_ceva.c:187:2: warning: initializer overrides prior initialization of this subobject [-Winitializer-overrides] AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:391:17: note: expanded from macro 'AHCI_SHT' .sdev_attrs = ahci_sdev_attrs ^~~~~~~~~~~~~~~ drivers/ata/ahci_ceva.c:187:2: note: previous initialization is here AHCI_SHT(DRV_NAME), ^~~~~~~~~~~~~~~~~~ drivers/ata/ahci.h:386:2: note: expanded from macro 'AHCI_SHT' ATA_NCQ_SHT(drv_name), \ ^~~~~~~~~~~~~~~~~~~~~ include/linux/libata.h:1419:17: note: expanded from macro 'ATA_NCQ_SHT' .sdev_attrs = ata_ncq_sdev_attrs, \ ^~~~~~~~~~~~~~~~~~ 2 warnings and 1 error generated. .. vim +673 include/linux/sched/signal.h 669 670 static inline 671 bool same_thread_group_account(struct task_struct *p1, struct task_struct *p2) 672 { > 673 return p1->signal == p2->signal 674 } 675 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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