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7099e14f60
commit 571a2a50a8fc546145ffd3bf673547e9fe128ed2 upstream.
These functions are already marked as NOKPROBE to prevent recursion and
we have the same reason to blacklist them if rethook is used with fprobe,
since they are beyond the recursion-free region ftrace can guard.
Link: https://lore.kernel.org/all/20230517034510.15639-5-zegao@tencent.com/
Fixes: f3a112c0c4 ("x86,rethook,kprobes: Replace kretprobe with rethook on x86")
Signed-off-by: Ze Gao <zegao@tencent.com>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
84 lines
2.8 KiB
Makefile
84 lines
2.8 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for the linux kernel.
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#
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ifdef CONFIG_FUNCTION_TRACER
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# Do not trace tracer code
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CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
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# Do not trace early setup code
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CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE)
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CFLAGS_REMOVE_rethook.o = $(CC_FLAGS_FTRACE)
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endif
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GCOV_PROFILE_early.o := n
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KCOV_INSTRUMENT_early.o := n
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UBSAN_SANITIZE_early.o := n
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KASAN_SANITIZE_ipl.o := n
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KASAN_SANITIZE_machine_kexec.o := n
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#
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# Passing null pointers is ok for smp code, since we access the lowcore here.
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#
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CFLAGS_smp.o := -Wno-nonnull
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#
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# Disable tailcall optimizations for stack / callchain walking functions
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# since this might generate broken code when accessing register 15 and
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# passing its content to other functions.
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#
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CFLAGS_stacktrace.o += -fno-optimize-sibling-calls
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CFLAGS_dumpstack.o += -fno-optimize-sibling-calls
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CFLAGS_unwind_bc.o += -fno-optimize-sibling-calls
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obj-y := head64.o traps.o time.o process.o earlypgm.o early.o setup.o idle.o vtime.o
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obj-y += processor.o syscall.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
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obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o cpufeature.o
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obj-y += sysinfo.o lgr.o os_info.o machine_kexec.o
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obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o
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obj-y += entry.o reipl.o relocate_kernel.o kdebugfs.o alternative.o
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obj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o
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obj-y += smp.o text_amode31.o stacktrace.o abs_lowcore.o
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extra-y += vmlinux.lds
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obj-$(CONFIG_SYSFS) += nospec-sysfs.o
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CFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE)
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obj-$(CONFIG_MODULES) += module.o
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obj-$(CONFIG_SCHED_TOPOLOGY) += topology.o
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obj-$(CONFIG_NUMA) += numa.o
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obj-$(CONFIG_AUDIT) += audit.o
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compat-obj-$(CONFIG_AUDIT) += compat_audit.o
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obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o
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obj-$(CONFIG_COMPAT) += $(compat-obj-y)
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obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
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obj-$(CONFIG_KPROBES) += kprobes.o
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obj-$(CONFIG_KPROBES) += kprobes_insn_page.o
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obj-$(CONFIG_KPROBES) += mcount.o
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obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o
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obj-$(CONFIG_FUNCTION_TRACER) += mcount.o
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obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
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obj-$(CONFIG_UPROBES) += uprobes.o
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obj-$(CONFIG_JUMP_LABEL) += jump_label.o
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obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o
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obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o
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obj-$(CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT) += ima_arch.o
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obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_cpum_cf_common.o
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obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf.o perf_cpum_sf.o
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obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.o
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obj-$(CONFIG_PERF_EVENTS) += perf_pai_crypto.o perf_pai_ext.o
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obj-$(CONFIG_TRACEPOINTS) += trace.o
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obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o
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# vdso
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obj-y += vdso64/
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obj-$(CONFIG_COMPAT) += vdso32/
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