1 # SPDX-License-Identifier: GPL-2.0 2 # 3 # Makefile for the linux kernel. 4 # 5 6 ifdef CONFIG_FUNCTION_TRACER 7 8 # Do not trace tracer code 9 CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) 10 11 # Do not trace early setup code 12 CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE) 13 CFLAGS_REMOVE_rethook.o = $(CC_FLAGS_FTRACE) 14 CFLAGS_REMOVE_stacktrace.o = $(CC_FLAGS_FTRACE) 15 CFLAGS_REMOVE_unwind_bc.o = $(CC_FLAGS_FTRACE) 16 17 endif 18 19 GCOV_PROFILE_early.o := n 20 KCOV_INSTRUMENT_early.o := n 21 UBSAN_SANITIZE_early.o := n 22 KASAN_SANITIZE_ipl.o := n 23 KASAN_SANITIZE_machine_kexec.o := n 24 25 # 26 # Passing null pointers is ok for smp code, since we access the lowcore here. 27 # 28 CFLAGS_smp.o := -Wno-nonnull 29 30 # 31 # Disable tailcall optimizations for stack / callchain walking functions 32 # since this might generate broken code when accessing register 15 and 33 # passing its content to other functions. 34 # 35 CFLAGS_stacktrace.o += -fno-optimize-sibling-calls 36 CFLAGS_dumpstack.o += -fno-optimize-sibling-calls 37 CFLAGS_unwind_bc.o += -fno-optimize-sibling-calls 38 39 obj-y := head64.o traps.o time.o process.o early.o setup.o idle.o vtime.o 40 obj-y += processor.o syscall.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o 41 obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o cpufeature.o 42 obj-y += sysinfo.o lgr.o os_info.o ctlreg.o 43 obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o 44 obj-y += entry.o reipl.o kdebugfs.o alternative.o 45 obj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o 46 obj-y += smp.o text_amode31.o stacktrace.o abs_lowcore.o facility.o uv.o 47 48 extra-y += vmlinux.lds 49 50 obj-$(CONFIG_SYSFS) += nospec-sysfs.o 51 CFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE) 52 53 obj-$(CONFIG_MODULES) += module.o 54 obj-$(CONFIG_SCHED_TOPOLOGY) += topology.o 55 obj-$(CONFIG_NUMA) += numa.o 56 obj-$(CONFIG_AUDIT) += audit.o 57 compat-obj-$(CONFIG_AUDIT) += compat_audit.o 58 obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o 59 obj-$(CONFIG_COMPAT) += $(compat-obj-y) 60 obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 61 obj-$(CONFIG_KPROBES) += kprobes.o 62 obj-$(CONFIG_KPROBES) += mcount.o 63 obj-$(CONFIG_RETHOOK) += rethook.o 64 obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o 65 obj-$(CONFIG_FUNCTION_TRACER) += mcount.o 66 obj-$(CONFIG_CRASH_DUMP) += crash_dump.o 67 obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o 68 obj-$(CONFIG_VMCORE_INFO) += vmcore_info.o 69 obj-$(CONFIG_UPROBES) += uprobes.o 70 obj-$(CONFIG_JUMP_LABEL) += jump_label.o 71 72 obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o 73 obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o 74 obj-$(CONFIG_CERT_STORE) += cert_store.o 75 obj-$(CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT) += ima_arch.o 76 77 obj-$(CONFIG_PERF_EVENTS) += perf_event.o 78 obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf.o perf_cpum_sf.o 79 obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.o 80 obj-$(CONFIG_PERF_EVENTS) += perf_pai_crypto.o perf_pai_ext.o 81 82 obj-$(CONFIG_TRACEPOINTS) += trace.o 83 84 # vdso 85 obj-y += vdso64/ 86 obj-$(CONFIG_COMPAT) += vdso32/
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