From adf8a61a940c49fea6fab9c3865f2b69b8ceef28 Mon Sep 17 00:00:00 2001 From: Masami Hiramatsu Date: Tue, 14 Sep 2021 23:40:54 +0900 Subject: kprobes: treewide: Make it harder to refer kretprobe_trampoline directly Since now there is kretprobe_trampoline_addr() for referring the address of kretprobe trampoline code, we don't need to access kretprobe_trampoline directly. Make it harder to refer by renaming it to __kretprobe_trampoline(). Link: https://lkml.kernel.org/r/163163045446.489837.14510577516938803097.stgit@devnote2 Suggested-by: Ingo Molnar Signed-off-by: Masami Hiramatsu Signed-off-by: Steven Rostedt (VMware) --- arch/csky/kernel/probes/kprobes.c | 2 +- arch/csky/kernel/probes/kprobes_trampoline.S | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/csky/kernel') diff --git a/arch/csky/kernel/probes/kprobes.c b/arch/csky/kernel/probes/kprobes.c index 784c5aba7f66..42920f25e73c 100644 --- a/arch/csky/kernel/probes/kprobes.c +++ b/arch/csky/kernel/probes/kprobes.c @@ -394,7 +394,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, { ri->ret_addr = (kprobe_opcode_t *)regs->lr; ri->fp = NULL; - regs->lr = (unsigned long) &kretprobe_trampoline; + regs->lr = (unsigned long) &__kretprobe_trampoline; } int __kprobes arch_trampoline_kprobe(struct kprobe *p) diff --git a/arch/csky/kernel/probes/kprobes_trampoline.S b/arch/csky/kernel/probes/kprobes_trampoline.S index b1fe3af24f03..ba48ad04a847 100644 --- a/arch/csky/kernel/probes/kprobes_trampoline.S +++ b/arch/csky/kernel/probes/kprobes_trampoline.S @@ -4,7 +4,7 @@ #include -ENTRY(kretprobe_trampoline) +ENTRY(__kretprobe_trampoline) SAVE_REGS_FTRACE mov a0, sp /* pt_regs */ @@ -16,4 +16,4 @@ ENTRY(kretprobe_trampoline) RESTORE_REGS_FTRACE rts -ENDPROC(kretprobe_trampoline) +ENDPROC(__kretprobe_trampoline) -- cgit v1.2.3