On Mon, 14 Dec 2020 at 06:48, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > Hi all, > > After merging the tip tree, today's linux-next build (arm > multi_v7_defconfig) produced this warning: > > In file included from include/linux/kernel.h:14, > from include/linux/list.h:9, > from include/linux/wait.h:7, > from include/linux/wait_bit.h:8, > from include/linux/fs.h:6, > from include/linux/proc_fs.h:10, > from include/linux/efi.h:19, > from drivers/firmware/efi/libstub/arm32-stub.c:5: > drivers/firmware/efi/libstub/arm32-stub.c: In function 'handle_kernel_image': > include/linux/minmax.h:18:28: warning: comparison of distinct pointer types lacks a cast > 18 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1))) > | ^~ > include/linux/minmax.h:32:4: note: in expansion of macro '__typecheck' > 32 | (__typecheck(x, y) && __no_side_effects(x, y)) > | ^~~~~~~~~~~ > include/linux/minmax.h:42:24: note: in expansion of macro '__safe_cmp' > 42 | __builtin_choose_expr(__safe_cmp(x, y), \ > | ^~~~~~~~~~ > include/linux/minmax.h:58:19: note: in expansion of macro '__careful_cmp' > 58 | #define max(x, y) __careful_cmp(x, y, >) > | ^~~~~~~~~~~~~ > arch/arm/include/asm/efi.h:74:25: note: in expansion of macro 'max' > 74 | #define EFI_PHYS_ALIGN max(SZ_2M, roundup_pow_of_two(TEXT_OFFSET)) > | ^~~ > drivers/firmware/efi/libstub/arm32-stub.c:123:44: note: in expansion of macro 'EFI_PHYS_ALIGN' > 123 | int alloc_size = MAX_UNCOMP_KERNEL_SIZE + EFI_PHYS_ALIGN; > | ^~~~~~~~~~~~~~ ... Thanks for the report. I actually spotted this and sent a fix yesterday [0]. I'll send it to -tip today. [0] https://lore.kernel.org/linux-efi/20201213151306.73558-1-ardb@xxxxxxxxxx/