LXR linux/kernel/Makefile

   1#
   2# Makefile for the linux kernel.
   3#
   4
   5obj-y     = fork.o exec_domain.o panic.o \
   6            cpu.o exit.o softirq.o resource.o \
   7            sysctl.o sysctl_binary.o capability.o ptrace.o user.o \
   8            signal.o sys.o kmod.o workqueue.o pid.o task_work.o \
   9            extable.o params.o \
  10            kthread.o sys_ni.o nsproxy.o \
  11            notifier.o ksysfs.o cred.o reboot.o \
  12            async.o range.o smpboot.o
  13
  14obj-$(CONFIG_MULTIUSER) += groups.o
  15
  16ifdef CONFIG_FUNCTION_TRACER
  17# Do not trace internal ftrace files
  18CFLAGS_REMOVE_irq_work.o = $(CC_FLAGS_FTRACE)
  19endif
  20
  21# Prevents flicker of uninteresting __do_softirq()/__local_bh_disable_ip()
  22# in coverage traces.
  23KCOV_INSTRUMENT_softirq.o := n
  24# These are called from save_stack_trace() on slub debug path,
  25# and produce insane amounts of uninteresting coverage.
  26KCOV_INSTRUMENT_module.o := n
  27KCOV_INSTRUMENT_extable.o := n
  28# Don't self-instrument.
  29KCOV_INSTRUMENT_kcov.o := n
  30KASAN_SANITIZE_kcov.o := n
  31
  32# cond_syscall is currently not LTO compatible
  33CFLAGS_sys_ni.o = $(DISABLE_LTO)
  34
  35obj-y += sched/
  36obj-y += locking/
  37obj-y += power/
  38obj-y += printk/
  39obj-y += irq/
  40obj-y += rcu/
  41obj-y += livepatch/
  42
  43obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o
  44obj-$(CONFIG_FREEZER) += freezer.o
  45obj-$(CONFIG_PROFILING) += profile.o
  46obj-$(CONFIG_STACKTRACE) += stacktrace.o
  47obj-y += time/
  48obj-$(CONFIG_FUTEX) += futex.o
  49ifeq ($(CONFIG_COMPAT),y)
  50obj-$(CONFIG_FUTEX) += futex_compat.o
  51endif
  52obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
  53obj-$(CONFIG_SMP) += smp.o
  54ifneq ($(CONFIG_SMP),y)
  55obj-y += up.o
  56endif
  57obj-$(CONFIG_UID16) += uid16.o
  58obj-$(CONFIG_MODULES) += module.o
  59obj-$(CONFIG_MODULE_SIG) += module_signing.o
  60obj-$(CONFIG_KALLSYMS) += kallsyms.o
  61obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
  62obj-$(CONFIG_KEXEC_CORE) += kexec_core.o
  63obj-$(CONFIG_KEXEC) += kexec.o
  64obj-$(CONFIG_KEXEC_FILE) += kexec_file.o
  65obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
  66obj-$(CONFIG_COMPAT) += compat.o
  67obj-$(CONFIG_CGROUPS) += cgroup.o
  68obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
  69obj-$(CONFIG_CGROUP_PIDS) += cgroup_pids.o
  70obj-$(CONFIG_CPUSETS) += cpuset.o
  71obj-$(CONFIG_UTS_NS) += utsname.o
  72obj-$(CONFIG_USER_NS) += user_namespace.o
  73obj-$(CONFIG_PID_NS) += pid_namespace.o
  74obj-$(CONFIG_IKCONFIG) += configs.o
  75obj-$(CONFIG_SMP) += stop_machine.o
  76obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
  77obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
  78obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
  79obj-$(CONFIG_AUDIT_WATCH) += audit_watch.o audit_fsnotify.o
  80obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
  81obj-$(CONFIG_GCOV_KERNEL) += gcov/
  82obj-$(CONFIG_KCOV) += kcov.o
  83obj-$(CONFIG_KPROBES) += kprobes.o
  84obj-$(CONFIG_KGDB) += debug/
  85obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
  86obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
  87obj-$(CONFIG_SECCOMP) += seccomp.o
  88obj-$(CONFIG_RELAY) += relay.o
  89obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
  90obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
  91obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
  92obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
  93obj-$(CONFIG_LATENCYTOP) += latencytop.o
  94obj-$(CONFIG_BINFMT_ELF) += elfcore.o
  95obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o
  96obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o
  97obj-$(CONFIG_FUNCTION_TRACER) += trace/
  98obj-$(CONFIG_TRACING) += trace/
  99obj-$(CONFIG_TRACE_CLOCK) += trace/
 100obj-$(CONFIG_RING_BUFFER) += trace/
 101obj-$(CONFIG_TRACEPOINTS) += trace/
 102obj-$(CONFIG_IRQ_WORK) += irq_work.o
 103obj-$(CONFIG_CPU_PM) += cpu_pm.o
 104obj-$(CONFIG_BPF) += bpf/
 105
 106obj-$(CONFIG_PERF_EVENTS) += events/
 107
 108obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
 109obj-$(CONFIG_PADATA) += padata.o
 110obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
 111obj-$(CONFIG_JUMP_LABEL) += jump_label.o
 112obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.o
 113obj-$(CONFIG_TORTURE_TEST) += torture.o
 114obj-$(CONFIG_MEMBARRIER) += membarrier.o
 115
 116obj-$(CONFIG_HAS_IOMEM) += memremap.o
 117
 118$(obj)/configs.o: $(obj)/config_data.h
 119
 120# config_data.h contains the same information as ikconfig.h but gzipped.
 121# Info from config_data can be extracted from /proc/config*
 122targets += config_data.gz
 123$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
 124        $(call if_changed,gzip)
 125
 126      filechk_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/basic/bin2c; echo "MAGIC_END;")
 127targets += config_data.h
 128$(obj)/config_data.h: $(obj)/config_data.gz FORCE
 129        $(call filechk,ikconfiggz)
 130