1# SPDX-License-Identifier: GPL-2.0
  2#
  3# Makefile for the linux kernel.
  4#
  5
  6obj-y     = fork.o exec_domain.o panic.o \
  7	    cpu.o exit.o softirq.o resource.o \
  8	    sysctl.o capability.o ptrace.o user.o \
  9	    signal.o sys.o umh.o workqueue.o pid.o task_work.o \
 10	    extable.o params.o \
 11	    kthread.o sys_ni.o nsproxy.o \
 12	    notifier.o ksysfs.o cred.o reboot.o \
 13	    async.o range.o smpboot.o ucount.o regset.o ksyms_common.o
 14
 15obj-$(CONFIG_USERMODE_DRIVER) += usermode_driver.o
 16obj-$(CONFIG_MULTIUSER) += groups.o
 17obj-$(CONFIG_VHOST_TASK) += vhost_task.o
 18
 19ifdef CONFIG_FUNCTION_TRACER
 20# Do not trace internal ftrace files
 21CFLAGS_REMOVE_irq_work.o = $(CC_FLAGS_FTRACE)
 
 
 
 
 
 
 22endif
 23
 24# Prevents flicker of uninteresting __do_softirq()/__local_bh_disable_ip()
 25# in coverage traces.
 26KCOV_INSTRUMENT_softirq.o := n
 27# Avoid KCSAN instrumentation in softirq ("No shared variables, all the data
 28# are CPU local" => assume no data races), to reduce overhead in interrupts.
 29KCSAN_SANITIZE_softirq.o = n
 30# These are called from save_stack_trace() on slub debug path,
 31# and produce insane amounts of uninteresting coverage.
 32KCOV_INSTRUMENT_extable.o := n
 33KCOV_INSTRUMENT_stacktrace.o := n
 34# Don't self-instrument.
 35KCOV_INSTRUMENT_kcov.o := n
 36# If sanitizers detect any issues in kcov, it may lead to recursion
 37# via printk, etc.
 38KASAN_SANITIZE_kcov.o := n
 39KCSAN_SANITIZE_kcov.o := n
 40UBSAN_SANITIZE_kcov.o := n
 41KMSAN_SANITIZE_kcov.o := n
 42CFLAGS_kcov.o := $(call cc-option, -fno-conserve-stack) -fno-stack-protector
 43
 44obj-y += sched
 45obj-y += locking
 46obj-y += power
 47obj-y += printk
 48obj-y += irq
 49obj-y += rcu
 50obj-y += livepatch
 51obj-y += dma
 52obj-y += entry
 53obj-$(CONFIG_MODULES) += module
 54
 55obj-$(CONFIG_KCMP) += kcmp.o
 56obj-$(CONFIG_FREEZER) += freezer.o
 57obj-$(CONFIG_PROFILING) += profile.o
 
 58obj-$(CONFIG_STACKTRACE) += stacktrace.o
 59obj-y += time
 60obj-$(CONFIG_FUTEX) += futex
 
 
 
 
 
 
 
 
 
 
 
 61obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
 62obj-$(CONFIG_SMP) += smp.o
 63ifneq ($(CONFIG_SMP),y)
 64obj-y += up.o
 65endif
 
 
 
 66obj-$(CONFIG_UID16) += uid16.o
 67obj-$(CONFIG_MODULE_SIG_FORMAT) += module_signature.o
 68obj-$(CONFIG_KALLSYMS) += kallsyms.o
 69obj-$(CONFIG_KALLSYMS_SELFTEST) += kallsyms_selftest.o
 
 70obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
 71obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o elfcorehdr.o
 72obj-$(CONFIG_CRASH_RESERVE) += crash_reserve.o
 73obj-$(CONFIG_KEXEC_CORE) += kexec_core.o
 74obj-$(CONFIG_CRASH_DUMP) += crash_core.o
 75obj-$(CONFIG_KEXEC) += kexec.o
 76obj-$(CONFIG_KEXEC_FILE) += kexec_file.o
 77obj-$(CONFIG_KEXEC_ELF) += kexec_elf.o
 78obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
 79obj-$(CONFIG_COMPAT) += compat.o
 80obj-$(CONFIG_CGROUPS) += cgroup
 
 
 81obj-$(CONFIG_UTS_NS) += utsname.o
 82obj-$(CONFIG_USER_NS) += user_namespace.o
 83obj-$(CONFIG_PID_NS) += pid_namespace.o
 84obj-$(CONFIG_IKCONFIG) += configs.o
 85obj-$(CONFIG_IKHEADERS) += kheaders.o
 86obj-$(CONFIG_SMP) += stop_machine.o
 
 87obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
 88obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_watch.o audit_fsnotify.o audit_tree.o
 
 
 89obj-$(CONFIG_GCOV_KERNEL) += gcov
 90obj-$(CONFIG_KCOV) += kcov.o
 91obj-$(CONFIG_KPROBES) += kprobes.o
 92obj-$(CONFIG_FAIL_FUNCTION) += fail_function.o
 93obj-$(CONFIG_KGDB) += debug
 94obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
 95obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
 96obj-$(CONFIG_HARDLOCKUP_DETECTOR_BUDDY) += watchdog_buddy.o
 97obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_perf.o
 98obj-$(CONFIG_SECCOMP) += seccomp.o
 
 
 
 
 
 
 99obj-$(CONFIG_RELAY) += relay.o
100obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
101obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
102obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
103obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
104obj-$(CONFIG_LATENCYTOP) += latencytop.o
 
 
 
105obj-$(CONFIG_FUNCTION_TRACER) += trace
106obj-$(CONFIG_TRACING) += trace
107obj-$(CONFIG_TRACE_CLOCK) += trace
108obj-$(CONFIG_RING_BUFFER) += trace
109obj-$(CONFIG_TRACEPOINTS) += trace
110obj-$(CONFIG_RETHOOK) += trace
111obj-$(CONFIG_IRQ_WORK) += irq_work.o
112obj-$(CONFIG_CPU_PM) += cpu_pm.o
113obj-$(CONFIG_BPF) += bpf
114obj-$(CONFIG_KCSAN) += kcsan
115obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o
116obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o
117obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call_inline.o
118obj-$(CONFIG_CFI_CLANG) += cfi.o
119
120obj-$(CONFIG_PERF_EVENTS) += events
121
122obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
123obj-$(CONFIG_PADATA) += padata.o
 
124obj-$(CONFIG_JUMP_LABEL) += jump_label.o
125obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.o
126obj-$(CONFIG_TORTURE_TEST) += torture.o
127
128obj-$(CONFIG_HAS_IOMEM) += iomem.o
129obj-$(CONFIG_RSEQ) += rseq.o
130obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o
131
132obj-$(CONFIG_RESOURCE_KUNIT_TEST) += resource_kunit.o
133obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o
134
135CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN)
136obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o
137KASAN_SANITIZE_stackleak.o := n
138KCSAN_SANITIZE_stackleak.o := n
139KCOV_INSTRUMENT_stackleak.o := n
140
141obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o
 
 
 
 
 
 
 
142
143$(obj)/configs.o: $(obj)/config_data.gz
144
145targets += config_data config_data.gz
146$(obj)/config_data.gz: $(obj)/config_data FORCE
 
 
147	$(call if_changed,gzip)
148
149filechk_cat = cat $<
150
151$(obj)/config_data: $(KCONFIG_CONFIG) FORCE
152	$(call filechk,cat)
153
154$(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz
155
156quiet_cmd_genikh = CHK     $(obj)/kheaders_data.tar.xz
157      cmd_genikh = $(CONFIG_SHELL) $(srctree)/kernel/gen_kheaders.sh $@
158$(obj)/kheaders_data.tar.xz: FORCE
159	$(call cmd,genikh)
160
161clean-files := kheaders_data.tar.xz kheaders.md5

 
  1#
  2# Makefile for the linux kernel.
  3#
  4
  5obj-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 \
 13	    async.o range.o
 14obj-y += groups.o
 
 
 15
 16ifdef CONFIG_FUNCTION_TRACER
 17# Do not trace debug files and internal ftrace files
 18CFLAGS_REMOVE_lockdep.o = -pg
 19CFLAGS_REMOVE_lockdep_proc.o = -pg
 20CFLAGS_REMOVE_mutex-debug.o = -pg
 21CFLAGS_REMOVE_rtmutex-debug.o = -pg
 22CFLAGS_REMOVE_cgroup-debug.o = -pg
 23CFLAGS_REMOVE_sched_clock.o = -pg
 24CFLAGS_REMOVE_irq_work.o = -pg
 25endif
 26
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 27obj-$(CONFIG_FREEZER) += freezer.o
 28obj-$(CONFIG_PROFILING) += profile.o
 29obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
 30obj-$(CONFIG_STACKTRACE) += stacktrace.o
 31obj-y += time
 32obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
 33obj-$(CONFIG_LOCKDEP) += lockdep.o
 34ifeq ($(CONFIG_PROC_FS),y)
 35obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
 36endif
 37obj-$(CONFIG_FUTEX) += futex.o
 38ifeq ($(CONFIG_COMPAT),y)
 39obj-$(CONFIG_FUTEX) += futex_compat.o
 40endif
 41obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
 42obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
 43obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
 44obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
 45obj-$(CONFIG_SMP) += smp.o
 46ifneq ($(CONFIG_SMP),y)
 47obj-y += up.o
 48endif
 49obj-$(CONFIG_SMP) += spinlock.o
 50obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
 51obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
 52obj-$(CONFIG_UID16) += uid16.o
 53obj-$(CONFIG_MODULES) += module.o
 54obj-$(CONFIG_KALLSYMS) += kallsyms.o
 55obj-$(CONFIG_PM) += power
 56obj-$(CONFIG_FREEZER) += power
 57obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
 
 
 
 
 58obj-$(CONFIG_KEXEC) += kexec.o
 
 
 59obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
 60obj-$(CONFIG_COMPAT) += compat.o
 61obj-$(CONFIG_CGROUPS) += cgroup.o
 62obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
 63obj-$(CONFIG_CPUSETS) += cpuset.o
 64obj-$(CONFIG_UTS_NS) += utsname.o
 65obj-$(CONFIG_USER_NS) += user_namespace.o
 66obj-$(CONFIG_PID_NS) += pid_namespace.o
 67obj-$(CONFIG_IKCONFIG) += configs.o
 68obj-$(CONFIG_RESOURCE_COUNTERS) += res_counter.o
 69obj-$(CONFIG_SMP) += stop_machine.o
 70obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
 71obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
 72obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
 73obj-$(CONFIG_AUDIT_WATCH) += audit_watch.o
 74obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
 75obj-$(CONFIG_GCOV_KERNEL) += gcov
 
 76obj-$(CONFIG_KPROBES) += kprobes.o
 
 77obj-$(CONFIG_KGDB) += debug
 78obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
 79obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
 80obj-$(CONFIG_GENERIC_HARDIRQS) += irq
 
 81obj-$(CONFIG_SECCOMP) += seccomp.o
 82obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
 83obj-$(CONFIG_TREE_RCU) += rcutree.o
 84obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o
 85obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o
 86obj-$(CONFIG_TINY_RCU) += rcutiny.o
 87obj-$(CONFIG_TINY_PREEMPT_RCU) += rcutiny.o
 88obj-$(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-$(CONFIG_X86_DS) += trace
100obj-$(CONFIG_RING_BUFFER) += trace
101obj-$(CONFIG_TRACEPOINTS) += trace
102obj-$(CONFIG_SMP) += sched_cpupri.o
103obj-$(CONFIG_IRQ_WORK) += irq_work.o
 
 
 
 
 
 
 
104
105obj-$(CONFIG_PERF_EVENTS) += events
106
107obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
108obj-$(CONFIG_PADATA) += padata.o
109obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
110obj-$(CONFIG_JUMP_LABEL) += jump_label.o
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
111
112ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
113# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
114# needed for x86 only.  Why this used to be enabled for all architectures is beyond
115# me.  I suspect most platforms don't need this, but until we know that for sure
116# I turn this off for IA-64 only.  Andreas Schwab says it's also needed on m68k
117# to get a correct value for the wait-channel (WCHAN in ps). --davidm
118CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
119endif
120
121$(obj)/configs.o: $(obj)/config_data.h
122
123# config_data.h contains the same information as ikconfig.h but gzipped.
124# Info from config_data can be extracted from /proc/config*
125targets += config_data.gz
126$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
127	$(call if_changed,gzip)
128
129      filechk_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;")
130targets += config_data.h
131$(obj)/config_data.h: $(obj)/config_data.gz FORCE
132	$(call filechk,ikconfiggz)
133
134$(obj)/time.o: $(obj)/timeconst.h
135
136quiet_cmd_timeconst  = TIMEC   $@
137      cmd_timeconst  = $(PERL) $< $(CONFIG_HZ) > $@
138targets += timeconst.h
139$(obj)/timeconst.h: $(src)/timeconst.pl FORCE
140	$(call if_changed,timeconst)