1 # SPDX-License-Identifier: GPL-2.0 <<
2 # 1 #
3 # Makefile for the linux kernel. 2 # Makefile for the linux kernel.
4 # 3 #
5 4
6 obj-y = fork.o exec_domain.o panic.o \ !! 5 obj-y = sched.o fork.o exec_domain.o panic.o printk.o \
7 cpu.o exit.o softirq.o resource.o !! 6 cpu.o exit.o itimer.o time.o softirq.o resource.o \
8 sysctl.o capability.o ptrace.o use !! 7 sysctl.o capability.o ptrace.o timer.o user.o \
9 signal.o sys.o umh.o workqueue.o p !! 8 signal.o sys.o kmod.o workqueue.o pid.o \
10 extable.o params.o \ !! 9 rcupdate.o extable.o params.o posix-timers.o \
11 kthread.o sys_ni.o nsproxy.o \ !! 10 kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
12 notifier.o ksysfs.o cred.o reboot. !! 11 hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
13 async.o range.o smpboot.o ucount.o !! 12 notifier.o ksysfs.o pm_qos_params.o sched_clock.o cred.o \
14 !! 13 async.o
15 obj-$(CONFIG_USERMODE_DRIVER) += usermode_driv !! 14 obj-y += groups.o
16 obj-$(CONFIG_MULTIUSER) += groups.o <<
17 obj-$(CONFIG_VHOST_TASK) += vhost_task.o <<
18 15
19 ifdef CONFIG_FUNCTION_TRACER 16 ifdef CONFIG_FUNCTION_TRACER
20 # Do not trace internal ftrace files !! 17 # Do not trace debug files and internal ftrace files
21 CFLAGS_REMOVE_irq_work.o = $(CC_FLAGS_FTRACE) !! 18 CFLAGS_REMOVE_lockdep.o = -pg
>> 19 CFLAGS_REMOVE_lockdep_proc.o = -pg
>> 20 CFLAGS_REMOVE_mutex-debug.o = -pg
>> 21 CFLAGS_REMOVE_rtmutex-debug.o = -pg
>> 22 CFLAGS_REMOVE_cgroup-debug.o = -pg
>> 23 CFLAGS_REMOVE_sched_clock.o = -pg
22 endif 24 endif
23 25
24 # Prevents flicker of uninteresting __do_softi <<
25 # in coverage traces. <<
26 KCOV_INSTRUMENT_softirq.o := n <<
27 # Avoid KCSAN instrumentation in softirq ("No <<
28 # are CPU local" => assume no data races), to <<
29 KCSAN_SANITIZE_softirq.o = n <<
30 # These are called from save_stack_trace() on <<
31 # and produce insane amounts of uninteresting <<
32 KCOV_INSTRUMENT_extable.o := n <<
33 KCOV_INSTRUMENT_stacktrace.o := n <<
34 # Don't self-instrument. <<
35 KCOV_INSTRUMENT_kcov.o := n <<
36 # If sanitizers detect any issues in kcov, it <<
37 # via printk, etc. <<
38 KASAN_SANITIZE_kcov.o := n <<
39 KCSAN_SANITIZE_kcov.o := n <<
40 UBSAN_SANITIZE_kcov.o := n <<
41 KMSAN_SANITIZE_kcov.o := n <<
42 CFLAGS_kcov.o := $(call cc-option, -fno-conser <<
43 <<
44 obj-y += sched/ <<
45 obj-y += locking/ <<
46 obj-y += power/ <<
47 obj-y += printk/ <<
48 obj-y += irq/ <<
49 obj-y += rcu/ <<
50 obj-y += livepatch/ <<
51 obj-y += dma/ <<
52 obj-y += entry/ <<
53 obj-$(CONFIG_MODULES) += module/ <<
54 <<
55 obj-$(CONFIG_KCMP) += kcmp.o <<
56 obj-$(CONFIG_FREEZER) += freezer.o 26 obj-$(CONFIG_FREEZER) += freezer.o
57 obj-$(CONFIG_PROFILING) += profile.o 27 obj-$(CONFIG_PROFILING) += profile.o
>> 28 obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
58 obj-$(CONFIG_STACKTRACE) += stacktrace.o 29 obj-$(CONFIG_STACKTRACE) += stacktrace.o
59 obj-y += time/ 30 obj-y += time/
60 obj-$(CONFIG_FUTEX) += futex/ !! 31 obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
>> 32 obj-$(CONFIG_LOCKDEP) += lockdep.o
>> 33 ifeq ($(CONFIG_PROC_FS),y)
>> 34 obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
>> 35 endif
>> 36 obj-$(CONFIG_FUTEX) += futex.o
>> 37 ifeq ($(CONFIG_COMPAT),y)
>> 38 obj-$(CONFIG_FUTEX) += futex_compat.o
>> 39 endif
>> 40 obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
>> 41 obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
>> 42 obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
61 obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o 43 obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
62 obj-$(CONFIG_SMP) += smp.o !! 44 obj-$(CONFIG_USE_GENERIC_SMP_HELPERS) += smp.o
63 ifneq ($(CONFIG_SMP),y) 45 ifneq ($(CONFIG_SMP),y)
64 obj-y += up.o 46 obj-y += up.o
65 endif 47 endif
>> 48 obj-$(CONFIG_SMP) += spinlock.o
>> 49 obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
>> 50 obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
66 obj-$(CONFIG_UID16) += uid16.o 51 obj-$(CONFIG_UID16) += uid16.o
67 obj-$(CONFIG_MODULE_SIG_FORMAT) += module_sign !! 52 obj-$(CONFIG_MODULES) += module.o
68 obj-$(CONFIG_KALLSYMS) += kallsyms.o 53 obj-$(CONFIG_KALLSYMS) += kallsyms.o
69 obj-$(CONFIG_KALLSYMS_SELFTEST) += kallsyms_se !! 54 obj-$(CONFIG_PM) += power/
>> 55 obj-$(CONFIG_FREEZER) += power/
70 obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o 56 obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
71 obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o elf <<
72 obj-$(CONFIG_CRASH_RESERVE) += crash_reserve.o <<
73 obj-$(CONFIG_KEXEC_CORE) += kexec_core.o <<
74 obj-$(CONFIG_CRASH_DUMP) += crash_core.o <<
75 obj-$(CONFIG_KEXEC) += kexec.o 57 obj-$(CONFIG_KEXEC) += kexec.o
76 obj-$(CONFIG_KEXEC_FILE) += kexec_file.o <<
77 obj-$(CONFIG_KEXEC_ELF) += kexec_elf.o <<
78 obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtrace 58 obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
79 obj-$(CONFIG_COMPAT) += compat.o 59 obj-$(CONFIG_COMPAT) += compat.o
80 obj-$(CONFIG_CGROUPS) += cgroup/ !! 60 obj-$(CONFIG_CGROUPS) += cgroup.o
>> 61 obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
>> 62 obj-$(CONFIG_CPUSETS) += cpuset.o
>> 63 obj-$(CONFIG_CGROUP_NS) += ns_cgroup.o
81 obj-$(CONFIG_UTS_NS) += utsname.o 64 obj-$(CONFIG_UTS_NS) += utsname.o
82 obj-$(CONFIG_USER_NS) += user_namespace.o 65 obj-$(CONFIG_USER_NS) += user_namespace.o
83 obj-$(CONFIG_PID_NS) += pid_namespace.o 66 obj-$(CONFIG_PID_NS) += pid_namespace.o
84 obj-$(CONFIG_IKCONFIG) += configs.o 67 obj-$(CONFIG_IKCONFIG) += configs.o
85 obj-$(CONFIG_IKHEADERS) += kheaders.o !! 68 obj-$(CONFIG_RESOURCE_COUNTERS) += res_counter.o
86 obj-$(CONFIG_SMP) += stop_machine.o !! 69 obj-$(CONFIG_STOP_MACHINE) += stop_machine.o
87 obj-$(CONFIG_AUDIT) += audit.o auditfilter.o !! 70 obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
88 obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_ !! 71 obj-$(CONFIG_AUDIT) += audit.o auditfilter.o audit_watch.o
>> 72 obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
89 obj-$(CONFIG_GCOV_KERNEL) += gcov/ 73 obj-$(CONFIG_GCOV_KERNEL) += gcov/
90 obj-$(CONFIG_KCOV) += kcov.o !! 74 obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
91 obj-$(CONFIG_KPROBES) += kprobes.o 75 obj-$(CONFIG_KPROBES) += kprobes.o
92 obj-$(CONFIG_FAIL_FUNCTION) += fail_function.o !! 76 obj-$(CONFIG_KGDB) += kgdb.o
93 obj-$(CONFIG_KGDB) += debug/ !! 77 obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o
94 obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o 78 obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
95 obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o !! 79 obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
96 obj-$(CONFIG_HARDLOCKUP_DETECTOR_BUDDY) += wat <<
97 obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watc <<
98 obj-$(CONFIG_SECCOMP) += seccomp.o 80 obj-$(CONFIG_SECCOMP) += seccomp.o
>> 81 obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
>> 82 obj-$(CONFIG_TREE_RCU) += rcutree.o
>> 83 obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o
>> 84 obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o
99 obj-$(CONFIG_RELAY) += relay.o 85 obj-$(CONFIG_RELAY) += relay.o
100 obj-$(CONFIG_SYSCTL) += utsname_sysctl.o 86 obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
101 obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o 87 obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
102 obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct. 88 obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
103 obj-$(CONFIG_TRACEPOINTS) += tracepoint.o 89 obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
104 obj-$(CONFIG_LATENCYTOP) += latencytop.o 90 obj-$(CONFIG_LATENCYTOP) += latencytop.o
105 obj-$(CONFIG_FUNCTION_TRACER) += trace/ 91 obj-$(CONFIG_FUNCTION_TRACER) += trace/
106 obj-$(CONFIG_TRACING) += trace/ 92 obj-$(CONFIG_TRACING) += trace/
107 obj-$(CONFIG_TRACE_CLOCK) += trace/ !! 93 obj-$(CONFIG_X86_DS) += trace/
108 obj-$(CONFIG_RING_BUFFER) += trace/ 94 obj-$(CONFIG_RING_BUFFER) += trace/
109 obj-$(CONFIG_TRACEPOINTS) += trace/ !! 95 obj-$(CONFIG_SMP) += sched_cpupri.o
110 obj-$(CONFIG_RETHOOK) += trace/ !! 96 obj-$(CONFIG_SLOW_WORK) += slow-work.o
111 obj-$(CONFIG_IRQ_WORK) += irq_work.o !! 97 obj-$(CONFIG_SLOW_WORK_DEBUG) += slow-work-debugfs.o
112 obj-$(CONFIG_CPU_PM) += cpu_pm.o !! 98 obj-$(CONFIG_PERF_EVENTS) += perf_event.o
113 obj-$(CONFIG_BPF) += bpf/ !! 99
114 obj-$(CONFIG_KCSAN) += kcsan/ !! 100 ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
115 obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o !! 101 # According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
116 obj-$(CONFIG_HAVE_STATIC_CALL) += static_call. !! 102 # needed for x86 only. Why this used to be enabled for all architectures is beyond
117 obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += stati !! 103 # me. I suspect most platforms don't need this, but until we know that for sure
118 obj-$(CONFIG_CFI_CLANG) += cfi.o !! 104 # I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k
119 !! 105 # to get a correct value for the wait-channel (WCHAN in ps). --davidm
120 obj-$(CONFIG_PERF_EVENTS) += events/ !! 106 CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
121 !! 107 endif
122 obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-ret <<
123 obj-$(CONFIG_PADATA) += padata.o <<
124 obj-$(CONFIG_JUMP_LABEL) += jump_label.o <<
125 obj-$(CONFIG_CONTEXT_TRACKING) += context_trac <<
126 obj-$(CONFIG_TORTURE_TEST) += torture.o <<
127 <<
128 obj-$(CONFIG_HAS_IOMEM) += iomem.o <<
129 obj-$(CONFIG_RSEQ) += rseq.o <<
130 obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o <<
131 <<
132 obj-$(CONFIG_RESOURCE_KUNIT_TEST) += resource_ <<
133 obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test <<
134 <<
135 CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUG <<
136 obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stacklea <<
137 KASAN_SANITIZE_stackleak.o := n <<
138 KCSAN_SANITIZE_stackleak.o := n <<
139 KCOV_INSTRUMENT_stackleak.o := n <<
140 <<
141 obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o <<
142 108
143 $(obj)/configs.o: $(obj)/config_data.gz !! 109 $(obj)/configs.o: $(obj)/config_data.h
144 110
145 targets += config_data config_data.gz !! 111 # config_data.h contains the same information as ikconfig.h but gzipped.
146 $(obj)/config_data.gz: $(obj)/config_data FORC !! 112 # Info from config_data can be extracted from /proc/config*
>> 113 targets += config_data.gz
>> 114 $(obj)/config_data.gz: .config FORCE
147 $(call if_changed,gzip) 115 $(call if_changed,gzip)
148 116
149 filechk_cat = cat $< !! 117 quiet_cmd_ikconfiggz = IKCFG $@
150 !! 118 cmd_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;") > $@
151 $(obj)/config_data: $(KCONFIG_CONFIG) FORCE !! 119 targets += config_data.h
152 $(call filechk,cat) !! 120 $(obj)/config_data.h: $(obj)/config_data.gz FORCE
153 !! 121 $(call if_changed,ikconfiggz)
154 $(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz !! 122
155 !! 123 $(obj)/time.o: $(obj)/timeconst.h
156 quiet_cmd_genikh = CHK $(obj)/kheaders_dat !! 124
157 cmd_genikh = $(CONFIG_SHELL) $(srctree)/ !! 125 quiet_cmd_timeconst = TIMEC $@
158 $(obj)/kheaders_data.tar.xz: FORCE !! 126 cmd_timeconst = $(PERL) $< $(CONFIG_HZ) > $@
159 $(call cmd,genikh) !! 127 targets += timeconst.h
160 !! 128 $(obj)/timeconst.h: $(src)/timeconst.pl FORCE
161 clean-files := kheaders_data.tar.xz kheaders.m !! 129 $(call if_changed,timeconst)
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.