1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for the linux kernel.
6 ifdef CONFIG_FUNCTION_TRACER
8 # Do not trace tracer code
9 CFLAGS_REMOVE_ftrace.o
= $(CC_FLAGS_FTRACE
)
11 # Do not trace early setup code
12 CFLAGS_REMOVE_early.o
= $(CC_FLAGS_FTRACE
)
16 GCOV_PROFILE_early.o
:= n
17 KCOV_INSTRUMENT_early.o
:= n
18 UBSAN_SANITIZE_early.o
:= n
19 KASAN_SANITIZE_ipl.o
:= n
20 KASAN_SANITIZE_machine_kexec.o
:= n
23 # Passing null pointers is ok for smp code, since we access the lowcore here.
25 CFLAGS_smp.o
:= -Wno-nonnull
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.
32 CFLAGS_stacktrace.o
+= -fno-optimize-sibling-calls
33 CFLAGS_dumpstack.o
+= -fno-optimize-sibling-calls
34 CFLAGS_unwind_bc.o
+= -fno-optimize-sibling-calls
36 obj-y
:= traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
37 obj-y
+= processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
38 obj-y
+= debug.o irq.o ipl.o dis.o diag.o vdso.o
39 obj-y
+= sysinfo.o lgr.o os_info.o machine_kexec.o pgm_check.o
40 obj-y
+= runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o
41 obj-y
+= entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o
42 obj-y
+= nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o
45 extra-y
+= head64.o vmlinux.lds
47 obj-
$(CONFIG_SYSFS
) += nospec-sysfs.o
48 CFLAGS_REMOVE_nospec-branch.o
+= $(CC_FLAGS_EXPOLINE
)
50 obj-
$(CONFIG_MODULES
) += module.o
51 obj-
$(CONFIG_SCHED_TOPOLOGY
) += topology.o
52 obj-
$(CONFIG_NUMA
) += numa.o
53 obj-
$(CONFIG_AUDIT
) += audit.o
54 compat-obj-
$(CONFIG_AUDIT
) += compat_audit.o
55 obj-
$(CONFIG_COMPAT
) += compat_linux.o compat_signal.o
56 obj-
$(CONFIG_COMPAT
) += $(compat-obj-y
)
57 obj-
$(CONFIG_EARLY_PRINTK
) += early_printk.o
58 obj-
$(CONFIG_STACKTRACE
) += stacktrace.o
59 obj-
$(CONFIG_KPROBES
) += kprobes.o
60 obj-
$(CONFIG_KPROBES
) += kprobes_insn_page.o
61 obj-
$(CONFIG_FUNCTION_TRACER
) += mcount.o ftrace.o
62 obj-
$(CONFIG_CRASH_DUMP
) += crash_dump.o
63 obj-
$(CONFIG_UPROBES
) += uprobes.o
64 obj-
$(CONFIG_JUMP_LABEL
) += jump_label.o
66 obj-
$(CONFIG_KEXEC_FILE
) += machine_kexec_file.o kexec_image.o
67 obj-
$(CONFIG_KEXEC_FILE
) += kexec_elf.o
69 obj-
$(CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT
) += ima_arch.o
71 obj-
$(CONFIG_PERF_EVENTS
) += perf_event.o perf_cpum_cf_common.o
72 obj-
$(CONFIG_PERF_EVENTS
) += perf_cpum_cf.o perf_cpum_sf.o
73 obj-
$(CONFIG_PERF_EVENTS
) += perf_cpum_cf_events.o perf_regs.o
74 obj-
$(CONFIG_PERF_EVENTS
) += perf_cpum_cf_diag.o
76 obj-
$(CONFIG_TRACEPOINTS
) += trace.o
77 obj-
$(findstring y
, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST
) $(CONFIG_PGSTE
)) += uv.o