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: c52106732066b75afcd0be7304d57d1c5d7e4a69 commit: abccaa86889322e58b320ccc8bfc587c304e20fd [11/30] arm64: memory: Make virt_to_pfn() a static inline config: arm64-allyesconfig compiler: aarch64-linux-gcc (GCC) 12.1.0 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 # 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=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash arch/arm64/kernel/ drivers/net/xen-netback/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from arch/arm64/include/asm/memory.h:322, 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:78, from include/linux/smp.h:110, from arch/arm64/include/asm/arch_timer.h:18, from arch/arm64/include/asm/timex.h:8, from include/linux/timex.h:67, from include/linux/clocksource.h:13, from arch/arm64/kernel/vdso.c:11: arch/arm64/kernel/vdso.c: In function 'aarch32_alloc_kuser_vdso_page': >> arch/arm64/kernel/vdso.c:317:45: warning: passing argument 1 of 'virt_to_pfn' makes pointer from integer without a cast [-Wint-conversion] 317 | aarch32_vectors_page = virt_to_page(vdso_page); | ^~~~~~~~~ | | | long unsigned int include/asm-generic/memory_model.h:25:45: note: in definition of macro '__pfn_to_page' 25 | #define __pfn_to_page(pfn) (vmemmap + (pfn)) | ^~~ arch/arm64/kernel/vdso.c:317:32: note: in expansion of macro 'virt_to_page' 317 | aarch32_vectors_page = virt_to_page(vdso_page); | ^~~~~~~~~~~~ arch/arm64/include/asm/memory.h:324:53: note: expected 'const void *' but argument is of type 'long unsigned int' 324 | static inline unsigned long virt_to_pfn(const void *kaddr) | ~~~~~~~~~~~~^~~~~ -- In file included from arch/arm64/include/asm/memory.h:322, 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:78, from include/linux/smp.h:110, from arch/arm64/include/asm/arch_timer.h:18, from arch/arm64/include/asm/timex.h:8, from include/linux/timex.h:67, from include/linux/time32.h:13, from include/linux/time.h:60, from arch/arm64/include/asm/stat.h:12, from include/linux/stat.h:6, from include/linux/module.h:13, from drivers/net/xen-netback/common.h:32, from drivers/net/xen-netback/netback.c:35: drivers/net/xen-netback/netback.c: In function 'xenvif_fill_frags': >> drivers/net/xen-netback/netback.c:600:37: warning: passing argument 1 of 'virt_to_pfn' makes pointer from integer without a cast [-Wint-conversion] 600 | page = virt_to_page(idx_to_kaddr(queue, pending_idx)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | long unsigned int include/asm-generic/memory_model.h:25:45: note: in definition of macro '__pfn_to_page' 25 | #define __pfn_to_page(pfn) (vmemmap + (pfn)) | ^~~ drivers/net/xen-netback/netback.c:600:24: note: in expansion of macro 'virt_to_page' 600 | page = virt_to_page(idx_to_kaddr(queue, pending_idx)); | ^~~~~~~~~~~~ arch/arm64/include/asm/memory.h:324:53: note: expected 'const void *' but argument is of type 'long unsigned int' 324 | static inline unsigned long virt_to_pfn(const void *kaddr) | ~~~~~~~~~~~~^~~~~ vim +/virt_to_pfn +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