Hi Maxime, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 6a9dc5fd6170d0a41c8a14eb19e63d94bea5705a commit: 4100b8c229b328358cc4a82f5042dbf22f1c1ccb iommu: Add Allwinner H6 IOMMU driver date: 3 months ago config: i386-randconfig-r015-20200825 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): git checkout 4100b8c229b328358cc4a82f5042dbf22f1c1ccb # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> All warnings (new ones prefixed by >>): drivers/iommu/sun50i-iommu.c: In function 'sun50i_dte_get_page_table': drivers/iommu/sun50i-iommu.c:486:16: warning: unused variable 'flags' [-Wunused-variable] 486 | unsigned long flags; | ^~~~~ drivers/iommu/sun50i-iommu.c: In function 'sun50i_iommu_unmap': drivers/iommu/sun50i-iommu.c:561:13: warning: variable 'pte_dma' set but not used [-Wunused-but-set-variable] 561 | dma_addr_t pte_dma; | ^~~~~~~ drivers/iommu/sun50i-iommu.c:559:23: warning: unused variable 'iommu' [-Wunused-variable] 559 | struct sun50i_iommu *iommu = sun50i_domain->iommu; | ^~~~~ drivers/iommu/sun50i-iommu.c: In function 'sun50i_iommu_probe_device': drivers/iommu/sun50i-iommu.c:749:22: warning: unused variable 'group' [-Wunused-variable] 749 | struct iommu_group *group; | ^~~~~ drivers/iommu/sun50i-iommu.c: In function 'sun50i_iommu_irq': >> drivers/iommu/sun50i-iommu.c:890:14: warning: variable 'iova' set but not >> used [-Wunused-but-set-variable] 890 | phys_addr_t iova; | ^~~~ # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4100b8c229b328358cc4a82f5042dbf22f1c1ccb git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4100b8c229b328358cc4a82f5042dbf22f1c1ccb vim +/iova +890 drivers/iommu/sun50i-iommu.c 886 887 static irqreturn_t sun50i_iommu_irq(int irq, void *dev_id) 888 { 889 struct sun50i_iommu *iommu = dev_id; > 890 phys_addr_t iova; 891 u32 status; 892 893 spin_lock(&iommu->iommu_lock); 894 895 status = iommu_read(iommu, IOMMU_INT_STA_REG); 896 if (!(status & IOMMU_INT_MASK)) { 897 spin_unlock(&iommu->iommu_lock); 898 return IRQ_NONE; 899 } 900 901 if (status & IOMMU_INT_INVALID_L2PG) 902 iova = sun50i_iommu_handle_pt_irq(iommu, 903 IOMMU_INT_ERR_ADDR_L2_REG, 904 IOMMU_L2PG_INT_REG); 905 else if (status & IOMMU_INT_INVALID_L1PG) 906 iova = sun50i_iommu_handle_pt_irq(iommu, 907 IOMMU_INT_ERR_ADDR_L1_REG, 908 IOMMU_L1PG_INT_REG); 909 else 910 iova = sun50i_iommu_handle_perm_irq(iommu); 911 912 iommu_write(iommu, IOMMU_INT_CLR_REG, status); 913 914 iommu_write(iommu, IOMMU_RESET_REG, ~status); 915 iommu_write(iommu, IOMMU_RESET_REG, status); 916 917 spin_unlock(&iommu->iommu_lock); 918 919 return IRQ_HANDLED; 920 } 921 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
