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authorMasami Hiramatsu <mhiramat@kernel.org>2021-09-14 23:40:54 +0900
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2021-09-30 21:24:06 -0400
commitadf8a61a940c49fea6fab9c3865f2b69b8ceef28 (patch)
treef5df5c319dfd048b96729731e03d79dc4340c4b4 /arch/riscv/kernel
parent96fed8ac2bb64ab45497fdd8e3d390165b7a9be8 (diff)
downloadlinux-adf8a61a940c49fea6fab9c3865f2b69b8ceef28.tar.bz2
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 <mingo@kernel.org> Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'arch/riscv/kernel')
-rw-r--r--arch/riscv/kernel/probes/kprobes.c2
-rw-r--r--arch/riscv/kernel/probes/kprobes_trampoline.S4
2 files changed, 3 insertions, 3 deletions
diff --git a/arch/riscv/kernel/probes/kprobes.c b/arch/riscv/kernel/probes/kprobes.c
index 62d477cf11da..e6e950b7cf32 100644
--- a/arch/riscv/kernel/probes/kprobes.c
+++ b/arch/riscv/kernel/probes/kprobes.c
@@ -355,7 +355,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
{
ri->ret_addr = (kprobe_opcode_t *)regs->ra;
ri->fp = NULL;
- regs->ra = (unsigned long) &kretprobe_trampoline;
+ regs->ra = (unsigned long) &__kretprobe_trampoline;
}
int __kprobes arch_trampoline_kprobe(struct kprobe *p)
diff --git a/arch/riscv/kernel/probes/kprobes_trampoline.S b/arch/riscv/kernel/probes/kprobes_trampoline.S
index 6e85d021e2a2..7bdb09ded39b 100644
--- a/arch/riscv/kernel/probes/kprobes_trampoline.S
+++ b/arch/riscv/kernel/probes/kprobes_trampoline.S
@@ -75,7 +75,7 @@
REG_L x31, PT_T6(sp)
.endm
-ENTRY(kretprobe_trampoline)
+ENTRY(__kretprobe_trampoline)
addi sp, sp, -(PT_SIZE_ON_STACK)
save_all_base_regs
@@ -90,4 +90,4 @@ ENTRY(kretprobe_trampoline)
addi sp, sp, PT_SIZE_ON_STACK
ret
-ENDPROC(kretprobe_trampoline)
+ENDPROC(__kretprobe_trampoline)