| 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2 | # |
| 3 | # Makefile for the linux kernel. |
| 4 | # |
| 5 | |
| 6 | obj-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 |
| 14 | |
| 15 | obj-$(CONFIG_USERMODE_DRIVER) += usermode_driver.o |
| 16 | obj-$(CONFIG_MODULES) += kmod.o |
| 17 | obj-$(CONFIG_MULTIUSER) += groups.o |
| 18 | |
| 19 | ifdef CONFIG_FUNCTION_TRACER |
| 20 | # Do not trace internal ftrace files |
| 21 | CFLAGS_REMOVE_irq_work.o = $(CC_FLAGS_FTRACE) |
| 22 | endif |
| 23 | |
| 24 | # Prevents flicker of uninteresting __do_softirq()/__local_bh_disable_ip() |
| 25 | # in coverage traces. |
| 26 | KCOV_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. |
| 29 | KCSAN_SANITIZE_softirq.o = n |
| 30 | # These are called from save_stack_trace() on slub debug path, |
| 31 | # and produce insane amounts of uninteresting coverage. |
| 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 may lead to recursion |
| 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 := $(call cc-option, -fno-conserve-stack) -fno-stack-protector |
| 43 | |
| 44 | obj-y += sched/ |
| 45 | obj-y += locking/ |
| 46 | obj-y += power/ |
| 47 | obj-y += printk/ |
| 48 | obj-y += irq/ |
| 49 | obj-y += rcu/ |
| 50 | obj-y += livepatch/ |
| 51 | obj-y += dma/ |
| 52 | obj-y += entry/ |
| 53 | obj-$(CONFIG_MODULES) += module/ |
| 54 | |
| 55 | obj-$(CONFIG_KCMP) += kcmp.o |
| 56 | obj-$(CONFIG_FREEZER) += freezer.o |
| 57 | obj-$(CONFIG_PROFILING) += profile.o |
| 58 | obj-$(CONFIG_STACKTRACE) += stacktrace.o |
| 59 | obj-y += time/ |
| 60 | obj-$(CONFIG_FUTEX) += futex/ |
| 61 | obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o |
| 62 | obj-$(CONFIG_SMP) += smp.o |
| 63 | ifneq ($(CONFIG_SMP),y) |
| 64 | obj-y += up.o |
| 65 | endif |
| 66 | obj-$(CONFIG_UID16) += uid16.o |
| 67 | obj-$(CONFIG_MODULE_SIG_FORMAT) += module_signature.o |
| 68 | obj-$(CONFIG_KALLSYMS) += kallsyms.o |
| 69 | obj-$(CONFIG_KALLSYMS_SELFTEST) += kallsyms_selftest.o |
| 70 | obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o |
| 71 | obj-$(CONFIG_CRASH_CORE) += crash_core.o |
| 72 | obj-$(CONFIG_KEXEC_CORE) += kexec_core.o |
| 73 | obj-$(CONFIG_KEXEC) += kexec.o |
| 74 | obj-$(CONFIG_KEXEC_FILE) += kexec_file.o |
| 75 | obj-$(CONFIG_KEXEC_ELF) += kexec_elf.o |
| 76 | obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o |
| 77 | obj-$(CONFIG_COMPAT) += compat.o |
| 78 | obj-$(CONFIG_CGROUPS) += cgroup/ |
| 79 | obj-$(CONFIG_UTS_NS) += utsname.o |
| 80 | obj-$(CONFIG_USER_NS) += user_namespace.o |
| 81 | obj-$(CONFIG_PID_NS) += pid_namespace.o |
| 82 | obj-$(CONFIG_IKCONFIG) += configs.o |
| 83 | obj-$(CONFIG_IKHEADERS) += kheaders.o |
| 84 | obj-$(CONFIG_SMP) += stop_machine.o |
| 85 | obj-$(CONFIG_AUDIT) += audit.o auditfilter.o |
| 86 | obj-$(CONFIG_AUDITSYSCALL) += auditsc.o audit_watch.o audit_fsnotify.o audit_tree.o |
| 87 | obj-$(CONFIG_GCOV_KERNEL) += gcov/ |
| 88 | obj-$(CONFIG_KCOV) += kcov.o |
| 89 | obj-$(CONFIG_KPROBES) += kprobes.o |
| 90 | obj-$(CONFIG_FAIL_FUNCTION) += fail_function.o |
| 91 | obj-$(CONFIG_KGDB) += debug/ |
| 92 | obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o |
| 93 | obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o |
| 94 | obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_hld.o |
| 95 | obj-$(CONFIG_SECCOMP) += seccomp.o |
| 96 | obj-$(CONFIG_RELAY) += relay.o |
| 97 | obj-$(CONFIG_SYSCTL) += utsname_sysctl.o |
| 98 | obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o |
| 99 | obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o |
| 100 | obj-$(CONFIG_TRACEPOINTS) += tracepoint.o |
| 101 | obj-$(CONFIG_LATENCYTOP) += latencytop.o |
| 102 | obj-$(CONFIG_FUNCTION_TRACER) += trace/ |
| 103 | obj-$(CONFIG_TRACING) += trace/ |
| 104 | obj-$(CONFIG_TRACE_CLOCK) += trace/ |
| 105 | obj-$(CONFIG_RING_BUFFER) += trace/ |
| 106 | obj-$(CONFIG_TRACEPOINTS) += trace/ |
| 107 | obj-$(CONFIG_RETHOOK) += trace/ |
| 108 | obj-$(CONFIG_IRQ_WORK) += irq_work.o |
| 109 | obj-$(CONFIG_CPU_PM) += cpu_pm.o |
| 110 | obj-$(CONFIG_BPF) += bpf/ |
| 111 | obj-$(CONFIG_KCSAN) += kcsan/ |
| 112 | obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o |
| 113 | obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o |
| 114 | obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call_inline.o |
| 115 | obj-$(CONFIG_CFI_CLANG) += cfi.o |
| 116 | |
| 117 | obj-$(CONFIG_PERF_EVENTS) += events/ |
| 118 | |
| 119 | obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o |
| 120 | obj-$(CONFIG_PADATA) += padata.o |
| 121 | obj-$(CONFIG_CRASH_DUMP) += crash_dump.o |
| 122 | obj-$(CONFIG_JUMP_LABEL) += jump_label.o |
| 123 | obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.o |
| 124 | obj-$(CONFIG_TORTURE_TEST) += torture.o |
| 125 | |
| 126 | obj-$(CONFIG_HAS_IOMEM) += iomem.o |
| 127 | obj-$(CONFIG_RSEQ) += rseq.o |
| 128 | obj-$(CONFIG_WATCH_QUEUE) += watch_queue.o |
| 129 | |
| 130 | obj-$(CONFIG_RESOURCE_KUNIT_TEST) += resource_kunit.o |
| 131 | obj-$(CONFIG_SYSCTL_KUNIT_TEST) += sysctl-test.o |
| 132 | |
| 133 | CFLAGS_stackleak.o += $(DISABLE_STACKLEAK_PLUGIN) |
| 134 | obj-$(CONFIG_GCC_PLUGIN_STACKLEAK) += stackleak.o |
| 135 | KASAN_SANITIZE_stackleak.o := n |
| 136 | KCSAN_SANITIZE_stackleak.o := n |
| 137 | KCOV_INSTRUMENT_stackleak.o := n |
| 138 | |
| 139 | obj-$(CONFIG_SCF_TORTURE_TEST) += scftorture.o |
| 140 | |
| 141 | $(obj)/configs.o: $(obj)/config_data.gz |
| 142 | |
| 143 | targets += config_data config_data.gz |
| 144 | $(obj)/config_data.gz: $(obj)/config_data FORCE |
| 145 | $(call if_changed,gzip) |
| 146 | |
| 147 | filechk_cat = cat $< |
| 148 | |
| 149 | $(obj)/config_data: $(KCONFIG_CONFIG) FORCE |
| 150 | $(call filechk,cat) |
| 151 | |
| 152 | $(obj)/kheaders.o: $(obj)/kheaders_data.tar.xz |
| 153 | |
| 154 | quiet_cmd_genikh = CHK $(obj)/kheaders_data.tar.xz |
| 155 | cmd_genikh = $(CONFIG_SHELL) $(srctree)/kernel/gen_kheaders.sh $@ |
| 156 | $(obj)/kheaders_data.tar.xz: FORCE |
| 157 | $(call cmd,genikh) |
| 158 | |
| 159 | clean-files := kheaders_data.tar.xz kheaders.md5 |