Hi Linus, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git kernel-in-vmalloc-v6.0-rc1 head: 546e059d2e101237c587b372d4faf16696f59470 commit: abccaa86889322e58b320ccc8bfc587c304e20fd [11/30] arm64: memory: Make virt_to_pfn() a static inline config: arm64-randconfig-r002-20221003 compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 791a7ae1ba3efd6bca96338e10ffde557ba83920) 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 arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=abccaa86889322e58b320ccc8bfc587c304e20fd git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git git fetch --no-tags arm-integrator kernel-in-vmalloc-v6.0-rc1 git checkout abccaa86889322e58b320ccc8bfc587c304e20fd # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All errors (new ones prefixed by >>): >> arch/arm64/kernel/vdso.c:317:38: error: incompatible integer to pointer conversion passing 'unsigned long' to parameter of type 'const void *' [-Wint-conversion] aarch32_vectors_page = virt_to_page(vdso_page); ^~~~~~~~~ arch/arm64/include/asm/memory.h:351:50: note: expanded from macro 'virt_to_page' #define virt_to_page(x) pfn_to_page(virt_to_pfn(x)) ^ include/asm-generic/memory_model.h:25:40: note: expanded from macro '__pfn_to_page' #define __pfn_to_page(pfn) (vmemmap + (pfn)) ^~~ arch/arm64/include/asm/memory.h:324:53: note: passing argument to parameter 'kaddr' here static inline unsigned long virt_to_pfn(const void *kaddr) ^ 1 error generated. vim +317 arch/arm64/kernel/vdso.c 9031fefde6f2ac Will Deacon 2012-03-05 301 1255a7341bee6c Vincenzo Frascino 2019-04-15 302 static int aarch32_alloc_kuser_vdso_page(void) 9031fefde6f2ac Will Deacon 2012-03-05 303 { 9031fefde6f2ac Will Deacon 2012-03-05 304 extern char __kuser_helper_start[], __kuser_helper_end[]; 9031fefde6f2ac Will Deacon 2012-03-05 305 int kuser_sz = __kuser_helper_end - __kuser_helper_start; 1255a7341bee6c Vincenzo Frascino 2019-04-15 306 unsigned long vdso_page; 9031fefde6f2ac Will Deacon 2012-03-05 307 af1b3cf2c2a3f4 Vincenzo Frascino 2019-04-15 308 if (!IS_ENABLED(CONFIG_KUSER_HELPERS)) af1b3cf2c2a3f4 Vincenzo Frascino 2019-04-15 309 return 0; af1b3cf2c2a3f4 Vincenzo Frascino 2019-04-15 310 7cd6ca1d790226 Will Deacon 2021-03-18 311 vdso_page = get_zeroed_page(GFP_KERNEL); 1255a7341bee6c Vincenzo Frascino 2019-04-15 312 if (!vdso_page) 0d747f6585954d Vincenzo Frascino 2019-04-15 313 return -ENOMEM; 9031fefde6f2ac Will Deacon 2012-03-05 314 1255a7341bee6c Vincenzo Frascino 2019-04-15 315 memcpy((void *)(vdso_page + 0x1000 - kuser_sz), __kuser_helper_start, 1255a7341bee6c Vincenzo Frascino 2019-04-15 316 kuser_sz); 74fc72e77dc5c8 Mark Rutland 2020-04-28 @317 aarch32_vectors_page = virt_to_page(vdso_page); 1255a7341bee6c Vincenzo Frascino 2019-04-15 318 return 0; 0d747f6585954d Vincenzo Frascino 2019-04-15 319 } 9031fefde6f2ac Will Deacon 2012-03-05 320 :::::: The code at line 317 was first introduced by commit :::::: 74fc72e77dc5c8033d1b47d2c8a7229b4b83a746 arm64: vdso: remove aarch32_vdso_pages[] :::::: TO: Mark Rutland :::::: CC: Will Deacon -- 0-DAY CI Kernel Test Service https://01.org/lkp