From: Jiri Olsa <jolsa@kernel.org>
To: Oleg Nesterov <oleg@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Andrii Nakryiko <andrii@kernel.org>
Cc: bpf@vger.kernel.org, Song Liu <songliubraving@fb.com>,
Yonghong Song <yhs@fb.com>,
John Fastabend <john.fastabend@gmail.com>,
Hao Luo <haoluo@google.com>, Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Alan Maguire <alan.maguire@oracle.com>,
linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org
Subject: [PATCH bpf-next 01/13] uprobes: Rename arch_uretprobe_trampoline function
Date: Wed, 11 Dec 2024 14:33:50 +0100 [thread overview]
Message-ID: <20241211133403.208920-2-jolsa@kernel.org> (raw)
In-Reply-To: <20241211133403.208920-1-jolsa@kernel.org>
We are about to add uprobe trampoline, so cleaning up the namespace.
Signed-off-by: Jiri Olsa <jolsa@kernel.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 e0a4c2082245..09a298e416a8 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -211,7 +211,7 @@ 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 fa04b14a7d72..e0e3ebb4c0a1 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1695,7 +1695,7 @@ 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;
@@ -1727,7 +1727,7 @@ 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))
--
2.47.0
next prev parent reply other threads:[~2024-12-11 13:34 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-11 13:33 [PATCH bpf-next 00/13] uprobes: Add support to optimize usdt probes on x86_64 Jiri Olsa
2024-12-11 13:33 ` Jiri Olsa [this message]
2024-12-13 0:42 ` [PATCH bpf-next 01/13] uprobes: Rename arch_uretprobe_trampoline function Andrii Nakryiko
2024-12-11 13:33 ` [PATCH bpf-next 02/13] uprobes: Make copy_from_page global Jiri Olsa
2024-12-13 0:43 ` Andrii Nakryiko
2024-12-11 13:33 ` [PATCH bpf-next 03/13] uprobes: Add nbytes argument to uprobe_write_opcode Jiri Olsa
2024-12-13 0:45 ` Andrii Nakryiko
2024-12-11 13:33 ` [PATCH bpf-next 04/13] uprobes: Add arch_uprobe_verify_opcode function Jiri Olsa
2024-12-13 0:48 ` Andrii Nakryiko
2024-12-13 13:21 ` Jiri Olsa
2024-12-13 21:11 ` Andrii Nakryiko
2024-12-13 21:52 ` Jiri Olsa
2024-12-11 13:33 ` [PATCH bpf-next 05/13] uprobes: Add mapping for optimized uprobe trampolines Jiri Olsa
2024-12-13 1:01 ` Andrii Nakryiko
2024-12-13 13:42 ` Jiri Olsa
2024-12-13 21:58 ` Andrii Nakryiko
2024-12-11 13:33 ` [PATCH bpf-next 06/13] uprobes/x86: Add uprobe syscall to speed up uprobe Jiri Olsa
2024-12-13 13:48 ` Thomas Weißschuh
2024-12-13 14:51 ` Jiri Olsa
2024-12-13 15:12 ` Thomas Weißschuh
2024-12-13 21:52 ` Jiri Olsa
2024-12-14 13:21 ` Thomas Weißschuh
2024-12-16 8:03 ` Jiri Olsa
2024-12-11 13:33 ` [PATCH bpf-next 07/13] uprobes/x86: Add support to emulate nop5 instruction Jiri Olsa
2024-12-13 10:45 ` Peter Zijlstra
2024-12-13 13:02 ` Jiri Olsa
2024-12-11 13:33 ` [PATCH bpf-next 08/13] uprobes/x86: Add support to optimize uprobes Jiri Olsa
2024-12-13 10:49 ` Peter Zijlstra
2024-12-13 13:06 ` Jiri Olsa
2024-12-13 21:58 ` Andrii Nakryiko
2024-12-15 12:06 ` David Laight
2024-12-15 14:14 ` Oleg Nesterov
2024-12-16 8:08 ` Jiri Olsa
2024-12-16 9:18 ` David Laight
2024-12-16 10:12 ` Oleg Nesterov
2024-12-16 11:10 ` David Laight
2024-12-16 12:22 ` Oleg Nesterov
2024-12-16 12:50 ` Jiri Olsa
2024-12-16 15:08 ` David Laight
2024-12-16 16:06 ` Jiri Olsa
2024-12-11 13:33 ` [PATCH bpf-next 09/13] selftests/bpf: Use 5-byte nop for x86 usdt probes Jiri Olsa
2024-12-13 21:58 ` Andrii Nakryiko
2024-12-16 8:32 ` Jiri Olsa
2024-12-16 23:06 ` Andrii Nakryiko
2024-12-11 13:33 ` [PATCH bpf-next 10/13] selftests/bpf: Add uprobe/usdt optimized test Jiri Olsa
2024-12-13 21:58 ` Andrii Nakryiko
2024-12-16 7:58 ` Jiri Olsa
2024-12-11 13:34 ` [PATCH bpf-next 11/13] selftests/bpf: Add hit/attach/detach race optimized uprobe test Jiri Olsa
2024-12-13 21:58 ` Andrii Nakryiko
2024-12-16 7:59 ` Jiri Olsa
2024-12-11 13:34 ` [PATCH bpf-next 12/13] selftests/bpf: Add uprobe syscall sigill signal test Jiri Olsa
2024-12-11 13:34 ` [PATCH bpf-next 13/13] selftests/bpf: Add 5-byte nop uprobe trigger bench Jiri Olsa
2024-12-13 21:57 ` Andrii Nakryiko
2024-12-16 7:56 ` Jiri Olsa
2024-12-13 0:43 ` [PATCH bpf-next 00/13] uprobes: Add support to optimize usdt probes on x86_64 Andrii Nakryiko
2024-12-13 9:46 ` Jiri Olsa
2024-12-13 10:51 ` Peter Zijlstra
2024-12-13 13:07 ` Jiri Olsa
2024-12-13 13:54 ` Peter Zijlstra
2024-12-13 14:05 ` Jiri Olsa
2024-12-13 18:39 ` Peter Zijlstra
2024-12-13 21:52 ` Jiri Olsa
2024-12-13 21:59 ` Andrii Nakryiko
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