On Tue, Aug 16, 2022 at 4:10 AM shiyu chou <shiyu2010310@xxxxxxxxx> wrote: > > Hello all: > In arch x86 directory I found two global variables with the same name(master branch): > 1.arch/x86/boot/main.c > near line 18: struct boot_params boot_params __attribute__((aligned(16))); > 2.arch/x86/kernel/setup.c > near line 75: struct boot_params boot_params; > Is that wrong to define two global variables with the same name? And when use extern to reference the variable,which one did it reference? > hi, did you figure out a satisfactory answer ? what happens when you build with W=1 ? > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies