Hi Selvin, kernel test robot noticed the following build warnings: [auto build test WARNING on rdma/for-next] [also build test WARNING on linus/master v6.5-rc2 next-20230718] [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/Selvin-Xavier/bnxt_en-Share-the-bar0-address-with-the-RoCE-driver/20230718-174723 base: https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next patch link: https://lore.kernel.org/r/1689573194-27687-6-git-send-email-selvin.xavier%40broadcom.com patch subject: [PATCH for-next v2 5/7] RDMA/bnxt_re: Update alloc_page uapi for pacing config: arm64-allyesconfig (https://download.01.org/0day-ci/archive/20230719/202307190721.q4H3DjZs-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230719/202307190721.q4H3DjZs-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/202307190721.q4H3DjZs-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from arch/arm64/include/asm/memory.h:337, from arch/arm64/include/asm/thread_info.h:17, from include/linux/thread_info.h:60, from arch/arm64/include/asm/preempt.h:6, from include/linux/preempt.h:79, from include/linux/percpu.h:6, from include/linux/context_tracking_state.h:5, from include/linux/hardirq.h:5, from include/linux/interrupt.h:11, from drivers/infiniband/hw/bnxt_re/ib_verbs.c:39: drivers/infiniband/hw/bnxt_re/ib_verbs.c: In function 'bnxt_re_mmap': >> drivers/infiniband/hw/bnxt_re/ib_verbs.c:4164:81: warning: passing argument 1 of 'virt_to_pfn' makes pointer from integer without a cast [-Wint-conversion] 4164 | ret = vm_insert_page(vma, vma->vm_start, virt_to_page(bnxt_entry->mem_offset)); | ~~~~~~~~~~^~~~~~~~~~~~ | | | u64 {aka long long unsigned int} include/asm-generic/memory_model.h:37:45: note: in definition of macro '__pfn_to_page' 37 | #define __pfn_to_page(pfn) (vmemmap + (pfn)) | ^~~ drivers/infiniband/hw/bnxt_re/ib_verbs.c:4164:58: note: in expansion of macro 'virt_to_page' 4164 | ret = vm_insert_page(vma, vma->vm_start, virt_to_page(bnxt_entry->mem_offset)); | ^~~~~~~~~~~~ arch/arm64/include/asm/memory.h:339:53: note: expected 'const void *' but argument is of type 'u64' {aka 'long long unsigned int'} 339 | static inline unsigned long virt_to_pfn(const void *kaddr) | ~~~~~~~~~~~~^~~~~ vim +/virt_to_pfn +4164 drivers/infiniband/hw/bnxt_re/ib_verbs.c 4119 4120 /* Helper function to mmap the virtual memory from user app */ 4121 int bnxt_re_mmap(struct ib_ucontext *ib_uctx, struct vm_area_struct *vma) 4122 { 4123 struct bnxt_re_ucontext *uctx = container_of(ib_uctx, 4124 struct bnxt_re_ucontext, 4125 ib_uctx); 4126 struct bnxt_re_user_mmap_entry *bnxt_entry; 4127 struct rdma_user_mmap_entry *rdma_entry; 4128 int ret = 0; 4129 u64 pfn; 4130 4131 rdma_entry = rdma_user_mmap_entry_get(&uctx->ib_uctx, vma); 4132 if (!rdma_entry) 4133 return -EINVAL; 4134 4135 bnxt_entry = container_of(rdma_entry, struct bnxt_re_user_mmap_entry, 4136 rdma_entry); 4137 4138 switch (bnxt_entry->mmap_flag) { 4139 case BNXT_RE_MMAP_WC_DB: 4140 pfn = bnxt_entry->mem_offset >> PAGE_SHIFT; 4141 ret = rdma_user_mmap_io(ib_uctx, vma, pfn, PAGE_SIZE, 4142 pgprot_writecombine(vma->vm_page_prot), 4143 rdma_entry); 4144 break; 4145 case BNXT_RE_MMAP_UC_DB: 4146 pfn = bnxt_entry->mem_offset >> PAGE_SHIFT; 4147 ret = rdma_user_mmap_io(ib_uctx, vma, pfn, PAGE_SIZE, 4148 pgprot_noncached(vma->vm_page_prot), 4149 rdma_entry); 4150 break; 4151 case BNXT_RE_MMAP_SH_PAGE: 4152 ret = vm_insert_page(vma, vma->vm_start, virt_to_page(uctx->shpg)); 4153 break; 4154 case BNXT_RE_MMAP_DBR_BAR: 4155 pfn = bnxt_entry->mem_offset >> PAGE_SHIFT; 4156 ret = rdma_user_mmap_io(ib_uctx, vma, pfn, PAGE_SIZE, 4157 pgprot_noncached(vma->vm_page_prot), 4158 rdma_entry); 4159 break; 4160 case BNXT_RE_MMAP_DBR_PAGE: 4161 /* Driver doesn't expect write access for user space */ 4162 if (vma->vm_flags & VM_WRITE) 4163 return -EFAULT; > 4164 ret = vm_insert_page(vma, vma->vm_start, virt_to_page(bnxt_entry->mem_offset)); 4165 break; 4166 default: 4167 ret = -EINVAL; 4168 break; 4169 } 4170 4171 rdma_user_mmap_entry_put(rdma_entry); 4172 return ret; 4173 } 4174 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
