On Mon, 7 Apr 2025 09:33:51 +0900 Masami Hiramatsu (Google) <mhira...@kernel.org> wrote:
> But this is fragile by design. As I did for lib/bootconfig and > tools/bootconfig, you should use __KERNEL__ and makes it not depending on > the kernel header files because it does not expected to be used in user > space. > Even if I added mutex.h, it stopped with another reason. > > test -L linux/memblock.h || ln -s ../../../../include/linux/memblock.h > linux/memblock.h > test -L asm/asm.h || ln -s ../../../arch/x86/include/asm/asm.h asm/asm.h > test -L asm/cmpxchg.h || ln -s ../../../arch/x86/include/asm/cmpxchg.h > asm/cmpxchg.h > cc -I. -I../../include -Wall -O2 -fsanitize=address -fsanitize=undefined -D > CONFIG_PHYS_ADDR_T_64BIT -c -o main.o main.c > test -L memblock.c || ln -s ../../../mm/memblock.c memblock.c > cc -I. -I../../include -Wall -O2 -fsanitize=address -fsanitize=undefined -D > CONFIG_PHYS_ADDR_T_64BIT -c -o memblock.o memblock.c > memblock.c: In function 'memblock_add_range.isra': > memblock.c:685:17: warning: 'end_rgn' may be used uninitialized > [-Wmaybe-uninitialized] > 685 | memblock_merge_regions(type, start_rgn, end_rgn); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > memblock.c:591:42: note: 'end_rgn' was declared here > 591 | int idx, nr_new, start_rgn = -1, end_rgn; > | ^~~~~~~ > cc -I. -I../../include -Wall -O2 -fsanitize=address -fsanitize=undefined -D > CONFIG_PHYS_ADDR_T_64BIT -c -o lib/slab.o lib/slab.c > cc -I. -I../../include -Wall -O2 -fsanitize=address -fsanitize=undefined -D > CONFIG_PHYS_ADDR_T_64BIT -c -o mmzone.o mmzone.c > cc -I. -I../../include -Wall -O2 -fsanitize=address -fsanitize=undefined -D > CONFIG_PHYS_ADDR_T_64BIT -c -o slab.o ../../lib/slab.c > ../../lib/slab.c:6:10: fatal error: urcu/uatomic.h: No such file or directory > 6 | #include <urcu/uatomic.h> > | ^~~~~~~~~~~~~~~~ > compilation terminated. > make: *** [<builtin>: slab.o] Error 1 Ah, sorry. This is from liburcu. I installed the package and fixes the issue. Let me send the patch. Thank you, -- Masami Hiramatsu (Google) <mhira...@kernel.org>
