If I execute "grep -R "NCPUS > 1", it returns this files ;)
kern/machine.c:#if NCPUS > 1 kern/machine.c:#endif /* NCPUS > 1 */ kern/machine.c:#if NCPUS > 1 kern/machine.c:#else /* NCPUS > 1 */ kern/machine.c:#endif /* NCPUS > 1 */ kern/processor.c:#if NCPUS > 1 kern/processor.c:#endif /* NCPUS > 1 */ kern/processor.c:#if NCPUS > 1 kern/processor.c:#else /* NCPUS > 1 */ kern/processor.c:#endif /* NCPUS > 1 */ kern/processor.c:#if NCPUS > 1 kern/processor.c:#else /* NCPUS > 1 */ kern/processor.c:#endif /* NCPUS > 1 */ kern/processor.c:#if NCPUS > 1 kern/processor.c:#else /* NCPUS > 1 */ kern/processor.c:#endif /* NCPUS > 1 */ kern/processor.c:#if NCPUS > 1 kern/processor.c:#else /* NCPUS > 1 */ kern/processor.c:#endif /* NCPUS > 1 */ kern/mach_clock.c:#if NCPUS > 1 kern/mach_clock.c:#endif /* NCPUS > 1 */ kern/mach_clock.c:#if NCPUS > 1 kern/mach_clock.c:#endif /* NCPUS > 1 */ kern/mach_clock.c:#if NCPUS > 1 kern/mach_clock.c:#endif /* NCPUS > 1 */ kern/mach_clock.c:#if NCPUS > 1 kern/mach_clock.c:#endif /* NCPUS > 1 */ kern/startup.c:#if NCPUS > 1 kern/startup.c:#endif /* NCPUS > 1 */ kern/startup.c:#if NCPUS > 1 kern/startup.c:#endif /* NCPUS > 1 */ kern/startup.c:#if NCPUS > 1 kern/startup.c:#endif /* NCPUS > 1 */ kern/ast.h:#if NCPUS > 1 kern/syscall_subr.c:#if NCPUS > 1 kern/syscall_subr.c:#endif /* NCPUS > 1 */ kern/syscall_subr.c:#if NCPUS > 1 kern/syscall_subr.c:#endif /* NCPUS > 1 */ kern/syscall_subr.c:#if NCPUS > 1 kern/syscall_subr.c:#endif /* NCPUS > 1 */ kern/sched_prim.c:#if NCPUS > 1 kern/sched_prim.c:#endif /* NCPUS > 1 */ kern/sched_prim.c:#if NCPUS > 1 kern/sched_prim.c:#endif /* NCPUS > 1 */ kern/sched_prim.c:#if NCPUS > 1 kern/sched_prim.c:#endif /* NCPUS > 1 */ kern/sched_prim.c:#if NCPUS > 1 kern/sched_prim.c:#else /* NCPUS > 1 */ kern/sched_prim.c:#endif /* NCPUS > 1 */ kern/processor.h:#if NCPUS > 1 kern/processor.h:#endif /* NCPUS > 1 */ kern/processor.h:#if NCPUS > 1 kern/processor.h:#endif /* NCPUS > 1 */ kern/processor.h:#if NCPUS > 1 kern/processor.h:#endif /* NCPUS > 1 */ kern/ast.c:#if NCPUS > 1 kern/ast.c:#endif /* NCPUS > 1 */ kern/thread.c:#if NCPUS > 1 kern/thread.c:#endif /* NCPUS > 1 */ kern/thread.c:#if NCPUS > 1 kern/thread.c:#endif /* NCPUS > 1 */ kern/eventcount.c:#if (NCPUS > 1) kern/eventcount.c:#if NCPUS > 1 kern/eventcount.c:#if (NCPUS > 1) kern/eventcount.c:#endif /* NCPUS > 1 */ kern/lock_mon.c:#if NCPUS > 1 && MACH_LOCK_MON kern/lock_mon.c:#endif /* NCPUS > 1 && MACH_LOCK_MON */ kern/debug.c:#if NCPUS > 1 kern/debug.c:#if NCPUS > 1 kern/priority.c:#if NCPUS > 1 kern/priority.c:#if NCPUS > 1 kern/priority.c:#endif /* NCPUS > 1 */ kern/priority.c:#if NCPUS > 1 kern/priority.c:#else /* NCPUS > 1 */ kern/priority.c:#endif /* NCPUS > 1 */ kern/priority.c:#if NCPUS > 1 kern/priority.c:#endif /* NCPUS > 1 */ kern/ipc_sched.c:#if NCPUS > 1 kern/ipc_sched.c:#else /* NCPUS > 1 */ kern/ipc_sched.c:#endif /* NCPUS > 1 */ kern/ipc_sched.c:#if NCPUS > 1 kern/ipc_sched.c:#endif /* NCPUS > 1 */ kern/lock.h:#if NCPUS > 1 kern/lock.h:#define MACH_SLOCKS ((NCPUS > 1) || MACH_LDEBUG) kern/lock.h:#if (NCPUS > 1) kern/lock.h:#else /* NCPUS > 1 */ kern/lock.h:#endif /* NCPUS > 1 */ kern/lock.c:#if NCPUS > 1 kern/lock.c:#endif /* NCPUS > 1 */ kern/lock.c:#if NCPUS > 1 kern/lock.c:#else /* NCPUS > 1 */ kern/lock.c:#endif /* NCPUS > 1 */ kern/thread.h:#if NCPUS > 1 kern/thread.h:#endif /* NCPUS > 1 */ device/dev_master.h:#if NCPUS > 1 device/dev_master.h:#else NCPUS > 1 device/dev_master.h:#endif NCPUS > 1 i386/linux/dev/include/linux/autoconf.h:#if NCPUS > 1 i386/i386/ast_check.c:#if NCPUS > 1 i386/i386/ast_check.c:#endif /* NCPUS > 1 */ i386/i386/cswitch.S:#if NCPUS > 1 i386/i386/cswitch.S:#endif /* NCPUS > 1 */ i386/i386/spl.S:#if NCPUS > 1 i386/i386/db_interface.c:#if NCPUS > 1 i386/i386/db_interface.c:#endif /* NCPUS > 1 */ i386/i386/db_interface.c:#if NCPUS > 1 i386/i386/db_interface.c:#endif /* NCPUS > 1 */ i386/i386/db_interface.c:#if NCPUS > 1 i386/i386/db_interface.c:#endif /* NCPUS > 1 */ i386/i386/db_interface.c:#if NCPUS > 1 i386/i386/db_interface.c:#endif /* NCPUS > 1 */ i386/i386/pcb.c:#if NCPUS > 1 i386/i386/pcb.c:#if NCPUS > 1 i386/i386/fpu.h:#if NCPUS > 1 i386/i386/mp_desc.c:#if NCPUS > 1 i386/i386/mp_desc.c:#endif /* NCPUS > 1 */ i386/i386/fpu.c:#else /* NCPUS > 1 */ i386/i386/lock.h:#if NCPUS > 1 i386/i386/lock.h:#endif /* NCPUS > 1 */ i386/i386/cpu_number.h:#if NCPUS > 1 i386/intel/pmap.h:#if NCPUS > 1 i386/intel/pmap.h:#endif /* NCPUS > 1 */ i386/intel/pmap.h:#if NCPUS > 1 i386/intel/pmap.h:#else /* NCPUS > 1 */ i386/intel/pmap.h:#endif /* NCPUS > 1 */ i386/intel/pmap.h:#if NCPUS > 1 i386/intel/pmap.h:#endif /* NCPUS > 1 */ i386/intel/pmap.c:#if NCPUS > 1 i386/intel/pmap.c:#else /* NCPUS > 1 */ i386/intel/pmap.c:#endif /* NCPUS > 1 */ i386/intel/pmap.c:#if NCPUS > 1 i386/intel/pmap.c:#endif /* NCPUS > 1 */ i386/intel/pmap.c:#if NCPUS > 1 i386/intel/pmap.c:#endif /* NCPUS > 1 */ i386/intel/pmap.c:#if NCPUS > 1 i386/intel/pmap.c:#endif /* NCPUS > 1 */ i386/intel/pmap.c:#if NCPUS > 1 i386/intel/pmap.c:#endif /* NCPUS > 1 */ i386/intel/pmap.c:#if NCPUS > 1 i386/intel/pmap.c:#else /* NCPUS > 1 */ i386/intel/pmap.c:#endif /* NCPUS > 1 */ ddb/db_command.c:#if NCPUS > 1 ddb/db_mp.c:#if NCPUS > 1 ddb/db_mp.c:#endif /* NCPUS > 1 */ El jue., 30 ago. 2018 a las 20:39, Samuel Thibault (<samuel.thiba...@gnu.org>) escribió: > Almudena Garcia, le jeu. 30 août 2018 20:30:57 +0200, a ecrit: > > For example, I saw the duplicated code in pmap.h and pmap.c. > > Which duplication? All I see there is macros which are non-trivial in > the SMP case, and very trivial in the non-SMP case. > > > Also in kern/ cpu_number.h (the code what I fixed), > > Well, that's only to be expected: in non-SMP case it is trivial, and in > the SMP case it is not. > > > and many codes in kern/ directory. > > Please be more specific :) > > > is there any guide to understanding GNU Mach code? To learn about what > do each > > file. > > I don't know, I guess the wiki has pointers. Probably there is also > reading about the Mach kernel in general (GNU Mach is really largely > based on the Mach family). > > Samuel >
