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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 = $(CC_FLAGS_FTRACE)
13
14endif
15
16GCOV_PROFILE_early.o := n
17KCOV_INSTRUMENT_early.o := n
18UBSAN_SANITIZE_early.o := n
19KASAN_SANITIZE_ipl.o := n
20KASAN_SANITIZE_machine_kexec.o := n
21
22#
23# Passing null pointers is ok for smp code, since we access the lowcore here.
24#
25CFLAGS_smp.o := -Wno-nonnull
26
27#
28# Disable tailcall optimizations for stack / callchain walking functions
29# since this might generate broken code when accessing register 15 and
30# passing its content to other functions.
31#
32CFLAGS_stacktrace.o += -fno-optimize-sibling-calls
33CFLAGS_dumpstack.o += -fno-optimize-sibling-calls
34CFLAGS_unwind_bc.o += -fno-optimize-sibling-calls
35
36#
37# Pass UTS_MACHINE for user_regset definition
38#
39CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'
40
41obj-y := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
42obj-y += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
43obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o
44obj-y += sysinfo.o lgr.o os_info.o machine_kexec.o pgm_check.o
45obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o
46obj-y += entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o
47obj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o
48obj-y += smp.o
49
50extra-y += head64.o vmlinux.lds
51
52obj-$(CONFIG_SYSFS) += nospec-sysfs.o
53CFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE)
54
55obj-$(CONFIG_MODULES) += module.o
56obj-$(CONFIG_SCHED_TOPOLOGY) += topology.o
57obj-$(CONFIG_HIBERNATION) += suspend.o swsusp.o
58obj-$(CONFIG_AUDIT) += audit.o
59compat-obj-$(CONFIG_AUDIT) += compat_audit.o
60obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o
61obj-$(CONFIG_COMPAT) += $(compat-obj-y)
62obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
63obj-$(CONFIG_STACKTRACE) += stacktrace.o
64obj-$(CONFIG_KPROBES) += kprobes.o
65obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
66obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
67obj-$(CONFIG_UPROBES) += uprobes.o
68obj-$(CONFIG_JUMP_LABEL) += jump_label.o
69
70obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o
71obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o
72
73obj-$(CONFIG_IMA) += ima_arch.o
74
75obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf_common.o
76obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf.o perf_cpum_sf.o
77obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.o
78obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_diag.o
79
80obj-$(CONFIG_TRACEPOINTS) += trace.o
81
82# vdso
83obj-y += vdso64
84obj-$(CONFIG_COMPAT_VDSO) += vdso32
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 = $(CC_FLAGS_FTRACE)
13
14endif
15
16GCOV_PROFILE_early.o := n
17KCOV_INSTRUMENT_early.o := n
18UBSAN_SANITIZE_early.o := n
19KASAN_SANITIZE_ipl.o := n
20KASAN_SANITIZE_machine_kexec.o := n
21
22#
23# Passing null pointers is ok for smp code, since we access the lowcore here.
24#
25CFLAGS_smp.o := -Wno-nonnull
26
27#
28# Disable tailcall optimizations for stack / callchain walking functions
29# since this might generate broken code when accessing register 15 and
30# passing its content to other functions.
31#
32CFLAGS_stacktrace.o += -fno-optimize-sibling-calls
33CFLAGS_dumpstack.o += -fno-optimize-sibling-calls
34CFLAGS_unwind_bc.o += -fno-optimize-sibling-calls
35
36obj-y := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
37obj-y += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
38obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o
39obj-y += sysinfo.o lgr.o os_info.o machine_kexec.o pgm_check.o
40obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o
41obj-y += entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o
42obj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o
43obj-y += smp.o
44
45extra-y += head64.o vmlinux.lds
46
47obj-$(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-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o
61obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
62obj-$(CONFIG_UPROBES) += uprobes.o
63obj-$(CONFIG_JUMP_LABEL) += jump_label.o
64
65obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o
66obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o
67
68obj-$(CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT) += ima_arch.o
69
70obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf_common.o
71obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf.o perf_cpum_sf.o
72obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.o
73obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_diag.o
74
75obj-$(CONFIG_TRACEPOINTS) += trace.o
76obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o
77
78# vdso
79obj-y += vdso64