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