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Commit | Line | Data |
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b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | # |
3 | # Makefile for the linux kernel. | |
4 | # | |
5 | ||
5d360a75 | 6 | ifdef CONFIG_FUNCTION_TRACER |
82897ede HC |
7 | |
8 | # Do not trace tracer code | |
971a9ca6 | 9 | CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) |
82897ede HC |
10 | |
11 | # Do not trace early setup code | |
971a9ca6 HC |
12 | CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE) |
13 | CFLAGS_REMOVE_early_nobss.o = $(CC_FLAGS_FTRACE) | |
82897ede HC |
14 | |
15 | endif | |
16 | ||
971a9ca6 HC |
17 | GCOV_PROFILE_early.o := n |
18 | GCOV_PROFILE_early_nobss.o := n | |
82897ede | 19 | |
971a9ca6 HC |
20 | KCOV_INSTRUMENT_early.o := n |
21 | KCOV_INSTRUMENT_early_nobss.o := n | |
82897ede | 22 | |
971a9ca6 HC |
23 | UBSAN_SANITIZE_early.o := n |
24 | UBSAN_SANITIZE_early_nobss.o := n | |
82897ede | 25 | |
0a9b4091 | 26 | KASAN_SANITIZE_early_nobss.o := n |
ac1256f8 VG |
27 | KASAN_SANITIZE_ipl.o := n |
28 | KASAN_SANITIZE_machine_kexec.o := n | |
0a9b4091 | 29 | |
98c7b388 HC |
30 | # |
31 | # Passing null pointers is ok for smp code, since we access the lowcore here. | |
32 | # | |
82897ede | 33 | CFLAGS_smp.o := -Wno-nonnull |
98c7b388 | 34 | |
1bca09f7 HC |
35 | # |
36 | # Disable tailcall optimizations for stack / callchain walking functions | |
37 | # since this might generate broken code when accessing register 15 and | |
38 | # passing its content to other functions. | |
39 | # | |
40 | CFLAGS_stacktrace.o += -fno-optimize-sibling-calls | |
41 | CFLAGS_dumpstack.o += -fno-optimize-sibling-calls | |
42 | ||
63506c41 MS |
43 | # |
44 | # Pass UTS_MACHINE for user_regset definition | |
45 | # | |
46 | CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' | |
47 | ||
b5f87f15 | 48 | obj-y := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o |
1bca09f7 | 49 | obj-y += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o |
8282cd64 | 50 | obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o early_nobss.o |
e9666d10 | 51 | obj-y += sysinfo.o lgr.o os_info.o machine_kexec.o pgm_check.o |
b7c92f1a | 52 | obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o |
049a2c2d | 53 | obj-y += entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o |
49698745 | 54 | obj-y += nospec-branch.o ipl_vmparm.o |
1da177e4 | 55 | |
8282cd64 | 56 | extra-y += head64.o vmlinux.lds |
1da177e4 | 57 | |
4253b0e0 | 58 | obj-$(CONFIG_SYSFS) += nospec-sysfs.o |
b2e2f43a | 59 | CFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE) |
f19fbd5e | 60 | |
711f5df7 | 61 | obj-$(CONFIG_MODULES) += module.o |
83a24e32 | 62 | obj-$(CONFIG_SMP) += smp.o |
9236b4dd | 63 | obj-$(CONFIG_SCHED_TOPOLOGY) += topology.o |
304987e3 | 64 | obj-$(CONFIG_HIBERNATION) += suspend.o swsusp.o |
c0803799 AV |
65 | obj-$(CONFIG_AUDIT) += audit.o |
66 | compat-obj-$(CONFIG_AUDIT) += compat_audit.o | |
fa2a0627 HC |
67 | obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o |
68 | obj-$(CONFIG_COMPAT) += compat_wrapper.o $(compat-obj-y) | |
89175cf7 | 69 | obj-$(CONFIG_EARLY_PRINTK) += early_printk.o |
5bdc9b44 | 70 | obj-$(CONFIG_STACKTRACE) += stacktrace.o |
4ba069b8 | 71 | obj-$(CONFIG_KPROBES) += kprobes.o |
53255c9a | 72 | obj-$(CONFIG_FUNCTION_TRACER) += mcount.o ftrace.o |
60a0c68d | 73 | obj-$(CONFIG_CRASH_DUMP) += crash_dump.o |
2a0a5b22 | 74 | obj-$(CONFIG_UPROBES) += uprobes.o |
e9666d10 | 75 | obj-$(CONFIG_JUMP_LABEL) += jump_label.o |
305e4f10 | 76 | |
e49bb0a2 | 77 | obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o |
8be01882 | 78 | obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o |
71406883 | 79 | |
5a79859a | 80 | obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf.o perf_cpum_sf.o |
c33eff60 | 81 | obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.o |
1da177e4 | 82 | |
b5a6b71b MS |
83 | obj-$(CONFIG_TRACEPOINTS) += trace.o |
84 | ||
b020632e | 85 | # vdso |
5a79859a | 86 | obj-y += vdso64/ |
b020632e | 87 | obj-$(CONFIG_COMPAT) += vdso32/ |
0391fcb5 | 88 | |
8282cd64 | 89 | chkbss := head64.o early_nobss.o |
0391fcb5 | 90 | include $(srctree)/arch/s390/scripts/Makefile.chkbss |