Hi Yi-De, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v6.7-rc1 next-20231117] [cannot apply to arm64/for-next/core robh/for-next] [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/Yi-De-Wu/docs-geniezone-Introduce-GenieZone-hypervisor/20231116-233442 base: linus/master patch link: https://lore.kernel.org/r/20231116152756.4250-10-yi-de.wu%40mediatek.com patch subject: [PATCH v7 09/16] virt: geniezone: Add irqfd support config: arm64-randconfig-r081-20231118 (https://download.01.org/0day-ci/archive/20231118/202311182112.B1KM0yj9-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231118/202311182112.B1KM0yj9-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/202311182112.B1KM0yj9-lkp@xxxxxxxxx/ All error/warnings (new ones prefixed by >>): arch/arm64/geniezone/../../../drivers/virt/geniezone/gzvm_irqfd.c: In function 'gzvm_irqfd_assign': >> arch/arm64/geniezone/../../../drivers/virt/geniezone/gzvm_irqfd.c:185:19: error: implicit declaration of function 'eventfd_ctx_fileget'; did you mean 'eventfd_ctx_fdget'? [-Werror=implicit-function-declaration] 185 | eventfd = eventfd_ctx_fileget(f.file); | ^~~~~~~~~~~~~~~~~~~ | eventfd_ctx_fdget >> arch/arm64/geniezone/../../../drivers/virt/geniezone/gzvm_irqfd.c:185:17: warning: assignment to 'struct eventfd_ctx *' from 'int' makes pointer from integer without a cast [-Wint-conversion] 185 | eventfd = eventfd_ctx_fileget(f.file); | ^ cc1: some warnings being treated as errors vim +185 arch/arm64/geniezone/../../../drivers/virt/geniezone/gzvm_irqfd.c 160 161 static int gzvm_irqfd_assign(struct gzvm *gzvm, struct gzvm_irqfd *args) 162 { 163 struct gzvm_kernel_irqfd *irqfd, *tmp; 164 struct fd f; 165 struct eventfd_ctx *eventfd = NULL; 166 int ret; 167 int idx; 168 169 irqfd = kzalloc(sizeof(*irqfd), GFP_KERNEL_ACCOUNT); 170 if (!irqfd) 171 return -ENOMEM; 172 173 irqfd->gzvm = gzvm; 174 irqfd->gsi = args->gsi; 175 176 INIT_LIST_HEAD(&irqfd->list); 177 INIT_WORK(&irqfd->shutdown, irqfd_shutdown); 178 179 f = fdget(args->fd); 180 if (!f.file) { 181 ret = -EBADF; 182 goto out; 183 } 184 > 185 eventfd = eventfd_ctx_fileget(f.file); 186 if (IS_ERR(eventfd)) { 187 ret = PTR_ERR(eventfd); 188 goto fail; 189 } 190 191 irqfd->eventfd = eventfd; 192 193 /* 194 * Install our own custom wake-up handling so we are notified via 195 * a callback whenever someone signals the underlying eventfd 196 */ 197 init_waitqueue_func_entry(&irqfd->wait, irqfd_wakeup); 198 init_poll_funcptr(&irqfd->pt, irqfd_ptable_queue_proc); 199 200 spin_lock_irq(&gzvm->irqfds.lock); 201 202 ret = 0; 203 list_for_each_entry(tmp, &gzvm->irqfds.items, list) { 204 if (irqfd->eventfd != tmp->eventfd) 205 continue; 206 /* This fd is used for another irq already. */ 207 pr_err("already used: gsi=%d fd=%d\n", args->gsi, args->fd); 208 ret = -EBUSY; 209 spin_unlock_irq(&gzvm->irqfds.lock); 210 goto fail; 211 } 212 213 idx = srcu_read_lock(&gzvm->irq_srcu); 214 215 list_add_tail(&irqfd->list, &gzvm->irqfds.items); 216 217 spin_unlock_irq(&gzvm->irqfds.lock); 218 219 vfs_poll(f.file, &irqfd->pt); 220 221 srcu_read_unlock(&gzvm->irq_srcu, idx); 222 223 /* 224 * do not drop the file until the irqfd is fully initialized, otherwise 225 * we might race against the EPOLLHUP 226 */ 227 fdput(f); 228 return 0; 229 230 fail: 231 if (eventfd && !IS_ERR(eventfd)) 232 eventfd_ctx_put(eventfd); 233 234 fdput(f); 235 236 out: 237 kfree(irqfd); 238 return ret; 239 } 240 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
