2 # Makefile for the linux kernel.
5 obj-y = sched.o fork.o exec_domain.o panic.o printk.o \
6 cpu.o exit.o itimer.o time.o softirq.o resource.o \
7 sysctl.o sysctl_binary.o capability.o ptrace.o timer.o user.o \
8 signal.o sys.o kmod.o workqueue.o pid.o \
9 rcupdate.o extable.o params.o posix-timers.o \
10 kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
11 hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
12 notifier.o ksysfs.o pm_qos_params.o sched_clock.o cred.o \
14 obj-$(CONFIG_HAVE_EARLY_RES) += early_res.o
17 ifdef CONFIG_FUNCTION_TRACER
18 # Do not trace debug files and internal ftrace files
19 CFLAGS_REMOVE_lockdep.o = -pg
20 CFLAGS_REMOVE_lockdep_proc.o = -pg
21 CFLAGS_REMOVE_mutex-debug.o = -pg
22 CFLAGS_REMOVE_rtmutex-debug.o = -pg
23 CFLAGS_REMOVE_cgroup-debug.o = -pg
24 CFLAGS_REMOVE_sched_clock.o = -pg
25 CFLAGS_REMOVE_perf_event.o = -pg
28 obj-$(CONFIG_FREEZER) += freezer.o
29 obj-$(CONFIG_PROFILING) += profile.o
30 obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
31 obj-$(CONFIG_STACKTRACE) += stacktrace.o
33 obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
34 obj-$(CONFIG_LOCKDEP) += lockdep.o
35 ifeq ($(CONFIG_PROC_FS),y)
36 obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
38 obj-$(CONFIG_FUTEX) += futex.o
39 ifeq ($(CONFIG_COMPAT),y)
40 obj-$(CONFIG_FUTEX) += futex_compat.o
42 obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
43 obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
44 obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
45 obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
46 obj-$(CONFIG_USE_GENERIC_SMP_HELPERS) += smp.o
47 ifneq ($(CONFIG_SMP),y)
50 obj-$(CONFIG_SMP) += spinlock.o
51 obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
52 obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
53 obj-$(CONFIG_UID16) += uid16.o
54 obj-$(CONFIG_MODULES) += module.o
55 obj-$(CONFIG_KALLSYMS) += kallsyms.o
56 obj-$(CONFIG_PM) += power/
57 obj-$(CONFIG_FREEZER) += power/
58 obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
59 obj-$(CONFIG_KEXEC) += kexec.o
60 obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
61 obj-$(CONFIG_COMPAT) += compat.o
62 obj-$(CONFIG_CGROUPS) += cgroup.o
63 obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
64 obj-$(CONFIG_CPUSETS) += cpuset.o
65 obj-$(CONFIG_CGROUP_NS) += ns_cgroup.o
66 obj-$(CONFIG_UTS_NS) += utsname.o
67 obj-$(CONFIG_USER_NS) += user_namespace.o
68 obj-$(CONFIG_PID_NS) += pid_namespace.o
69 obj-$(CONFIG_IKCONFIG) += configs.o
70 obj-$(CONFIG_RESOURCE_COUNTERS) += res_counter.o
71 obj-$(CONFIG_SMP) += stop_machine.o
72 obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
73 obj-$(CONFIG_AUDIT) += audit.o auditfilter.o audit_watch.o
74 obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
75 obj-$(CONFIG_GCOV_KERNEL) += gcov/
76 obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
77 obj-$(CONFIG_KPROBES) += kprobes.o
78 obj-$(CONFIG_KGDB) += debug/
79 obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o
80 obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
81 obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
82 obj-$(CONFIG_SECCOMP) += seccomp.o
83 obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
84 obj-$(CONFIG_TREE_RCU) += rcutree.o
85 obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o
86 obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o
87 obj-$(CONFIG_TINY_RCU) += rcutiny.o
88 obj-$(CONFIG_RELAY) += relay.o
89 obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
90 obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
91 obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
92 obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
93 obj-$(CONFIG_LATENCYTOP) += latencytop.o
94 obj-$(CONFIG_BINFMT_ELF) += elfcore.o
95 obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o
96 obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o
97 obj-$(CONFIG_FUNCTION_TRACER) += trace/
98 obj-$(CONFIG_TRACING) += trace/
99 obj-$(CONFIG_X86_DS) += trace/
100 obj-$(CONFIG_RING_BUFFER) += trace/
101 obj-$(CONFIG_SMP) += sched_cpupri.o
102 obj-$(CONFIG_SLOW_WORK) += slow-work.o
103 obj-$(CONFIG_SLOW_WORK_DEBUG) += slow-work-debugfs.o
104 obj-$(CONFIG_PERF_EVENTS) += perf_event.o
105 obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o
106 obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
107 obj-$(CONFIG_PADATA) += padata.o
109 ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
110 # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
111 # needed for x86 only. Why this used to be enabled for all architectures is beyond
112 # me. I suspect most platforms don't need this, but until we know that for sure
113 # I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k
114 # to get a correct value for the wait-channel (WCHAN in ps). --davidm
115 CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
118 $(obj)/configs.o: $(obj)/config_data.h
120 # config_data.h contains the same information as ikconfig.h but gzipped.
121 # Info from config_data can be extracted from /proc/config*
122 targets += config_data.gz
123 $(obj)/config_data.gz: .config FORCE
124 $(call if_changed,gzip)
126 quiet_cmd_ikconfiggz = IKCFG $@
127 cmd_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;") > $@
128 targets += config_data.h
129 $(obj)/config_data.h: $(obj)/config_data.gz FORCE
130 $(call if_changed,ikconfiggz)
132 $(obj)/time.o: $(obj)/timeconst.h
134 quiet_cmd_timeconst = TIMEC $@
135 cmd_timeconst = $(PERL) $< $(CONFIG_HZ) > $@
136 targets += timeconst.h
137 $(obj)/timeconst.h: $(src)/timeconst.pl FORCE
138 $(call if_changed,timeconst)