linux-kernel - [PATCH RFCv2 01/18] uprobes: Rename arch_uretprobe

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Message-ID: <20250224140151.667679-2-jolsa@kernel.org>
Date: Mon, 24 Feb 2025 15:01:33 +0100
From: Jiri Olsa <jolsa@...nel.org>
To: Oleg Nesterov <oleg@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrii Nakryiko <andrii@...nel.org>
Cc: bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org,
	x86@...nel.org,
	Song Liu <songliubraving@...com>,
	Yonghong Song <yhs@...com>,
	John Fastabend <john.fastabend@...il.com>,
	Hao Luo <haoluo@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Alan Maguire <alan.maguire@...cle.com>,
	David Laight <David.Laight@...LAB.COM>,
	Thomas Weißschuh <thomas@...ch.de>
Subject: [PATCH RFCv2 01/18] uprobes: Rename arch_uretprobe_trampoline function

We are about to add uprobe trampoline, so cleaning up the namespace.

Acked-by: Andrii Nakryiko <andrii@...nel.org>
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 arch/x86/kernel/uprobes.c | 2 +-
 include/linux/uprobes.h   | 2 +-
 kernel/events/uprobes.c   | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
index 5a952c5ea66b..22a17c149a55 100644
--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -338,7 +338,7 @@ extern u8 uretprobe_trampoline_entry[];
 extern u8 uretprobe_trampoline_end[];
 extern u8 uretprobe_syscall_check[];
 
-void *arch_uprobe_trampoline(unsigned long *psize)
+void *arch_uretprobe_trampoline(unsigned long *psize)
 {
 	static uprobe_opcode_t insn = UPROBE_SWBP_INSN;
 	struct pt_regs *regs = task_pt_regs(current);
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index a40efdda9052..e3ed0d5c5ffe 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -222,7 +222,7 @@ extern bool arch_uprobe_ignore(struct arch_uprobe *aup, struct pt_regs *regs);
 extern void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
 					 void *src, unsigned long len);
 extern void uprobe_handle_trampoline(struct pt_regs *regs);
-extern void *arch_uprobe_trampoline(unsigned long *psize);
+extern void *arch_uretprobe_trampoline(unsigned long *psize);
 extern unsigned long uprobe_get_trampoline_vaddr(void);
 #else /* !CONFIG_UPROBES */
 struct uprobes_state {
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 870f69780900..cf4c4e730f0d 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1699,7 +1699,7 @@ static int xol_add_vma(struct mm_struct *mm, struct xol_area *area)
 	return ret;
 }
 
-void * __weak arch_uprobe_trampoline(unsigned long *psize)
+void * __weak arch_uretprobe_trampoline(unsigned long *psize)
 {
 	static uprobe_opcode_t insn = UPROBE_SWBP_INSN;
 
@@ -1731,7 +1731,7 @@ static struct xol_area *__create_xol_area(unsigned long vaddr)
 	init_waitqueue_head(&area->wq);
 	/* Reserve the 1st slot for get_trampoline_vaddr() */
 	set_bit(0, area->bitmap);
-	insns = arch_uprobe_trampoline(&insns_size);
+	insns = arch_uretprobe_trampoline(&insns_size);
 	arch_uprobe_copy_ixol(area->page, 0, insns, insns_size);
 
 	if (!xol_add_vma(mm, area))
-- 
2.48.1