netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jiri Olsa <jolsa@kernel.org>
To: Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andriin@fb.com>,
	"Steven Rostedt (VMware)" <rostedt@goodmis.org>
Cc: netdev@vger.kernel.org, bpf@vger.kernel.org,
	Martin KaFai Lau <kafai@fb.com>, Song Liu <songliubraving@fb.com>,
	Yonghong Song <yhs@fb.com>,
	John Fastabend <john.fastabend@gmail.com>,
	KP Singh <kpsingh@chromium.org>, Daniel Xu <dxu@dxuuu.xyz>,
	Viktor Malik <vmalik@redhat.com>
Subject: [PATCH 01/19] x86/ftrace: Remove extra orig rax move
Date: Sat,  5 Jun 2021 13:10:16 +0200	[thread overview]
Message-ID: <20210605111034.1810858-2-jolsa@kernel.org> (raw)
In-Reply-To: <20210605111034.1810858-1-jolsa@kernel.org>

There's identical move 2 lines earlier.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 arch/x86/kernel/ftrace_64.S | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S
index 7c273846c687..a8eb084a7a9a 100644
--- a/arch/x86/kernel/ftrace_64.S
+++ b/arch/x86/kernel/ftrace_64.S
@@ -251,7 +251,6 @@ SYM_INNER_LABEL(ftrace_regs_call, SYM_L_GLOBAL)
 	 * If ORIG_RAX is anything but zero, make this a call to that.
 	 * See arch_ftrace_set_direct_caller().
 	 */
-	movq ORIG_RAX(%rsp), %rax
 	testq	%rax, %rax
 SYM_INNER_LABEL(ftrace_regs_caller_jmp, SYM_L_GLOBAL)
 	jnz	1f
-- 
2.31.1


  reply	other threads:[~2021-06-05 11:10 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-05 11:10 [RFCv3 00/19] x86/ftrace/bpf: Add batch support for direct/tracing attach Jiri Olsa
2021-06-05 11:10 ` Jiri Olsa [this message]
2021-06-05 11:10 ` [PATCH 02/19] x86/ftrace: Remove fault protection code in prepare_ftrace_return Jiri Olsa
2021-06-05 11:10 ` [PATCH 03/19] x86/ftrace: Make function graph use ftrace directly Jiri Olsa
2021-06-08 18:35   ` Andrii Nakryiko
2021-06-08 18:51     ` Jiri Olsa
2021-06-08 19:11       ` Steven Rostedt
2021-06-05 11:10 ` [PATCH 04/19] tracing: Add trampoline/graph selftest Jiri Olsa
2021-06-05 11:10 ` [PATCH 05/19] ftrace: Add ftrace_add_rec_direct function Jiri Olsa
2021-06-05 11:10 ` [PATCH 06/19] ftrace: Add multi direct register/unregister interface Jiri Olsa
2021-06-05 11:10 ` [PATCH 07/19] ftrace: Add multi direct modify interface Jiri Olsa
2021-06-05 11:10 ` [PATCH 08/19] ftrace/samples: Add multi direct interface test module Jiri Olsa
2021-06-05 11:10 ` [PATCH 09/19] bpf, x64: Allow to use caller address from stack Jiri Olsa
2021-06-07  3:07   ` Yonghong Song
2021-06-07 18:13     ` Jiri Olsa
2021-06-05 11:10 ` [PATCH 10/19] bpf: Allow to store caller's ip as argument Jiri Olsa
2021-06-07  3:21   ` Yonghong Song
2021-06-07 18:15     ` Jiri Olsa
2021-06-08 18:49   ` Andrii Nakryiko
2021-06-08 20:58     ` Jiri Olsa
2021-06-08 21:02       ` Andrii Nakryiko
2021-06-08 21:11         ` Jiri Olsa
2021-06-05 11:10 ` [PATCH 11/19] bpf: Add support to load multi func tracing program Jiri Olsa
2021-06-07  3:56   ` Yonghong Song
2021-06-07 18:18     ` Jiri Olsa
2021-06-07 19:35       ` Yonghong Song
2021-06-05 11:10 ` [PATCH 12/19] bpf: Add bpf_trampoline_alloc function Jiri Olsa
2021-06-05 11:10 ` [PATCH 13/19] bpf: Add support to link multi func tracing program Jiri Olsa
2021-06-07  5:36   ` Yonghong Song
2021-06-07 18:25     ` Jiri Olsa
2021-06-07 19:39       ` Yonghong Song
2021-06-08 15:42   ` Alexei Starovoitov
2021-06-08 18:17     ` Jiri Olsa
2021-06-08 18:49       ` Alexei Starovoitov
2021-06-08 21:07         ` Jiri Olsa
2021-06-08 23:05           ` Alexei Starovoitov
2021-06-09  5:08             ` Andrii Nakryiko
2021-06-09 13:42               ` Jiri Olsa
2021-06-09 13:33             ` Jiri Olsa
2021-06-09  5:18   ` Andrii Nakryiko
2021-06-09 13:53     ` Jiri Olsa
2021-06-05 11:10 ` [PATCH 14/19] libbpf: Add btf__find_by_pattern_kind function Jiri Olsa
2021-06-09  5:29   ` Andrii Nakryiko
2021-06-09 13:59     ` Jiri Olsa
2021-06-09 14:19       ` Jiri Olsa
2021-06-05 11:10 ` [PATCH 15/19] libbpf: Add support to link multi func tracing program Jiri Olsa
2021-06-07  5:49   ` Yonghong Song
2021-06-07 18:28     ` Jiri Olsa
2021-06-07 19:42       ` Yonghong Song
2021-06-07 20:11         ` Jiri Olsa
2021-06-09  5:34   ` Andrii Nakryiko
2021-06-09 14:17     ` Jiri Olsa
2021-06-10 17:05       ` Andrii Nakryiko
2021-06-10 20:35         ` Jiri Olsa
2021-06-05 11:10 ` [PATCH 16/19] selftests/bpf: Add fentry multi func test Jiri Olsa
2021-06-07  6:06   ` Yonghong Song
2021-06-07 18:42     ` Jiri Olsa
2021-06-09  5:40   ` Andrii Nakryiko
2021-06-09 14:29     ` Jiri Olsa
2021-06-10 17:00       ` Andrii Nakryiko
2021-06-10 20:28         ` Jiri Olsa
2021-06-05 11:10 ` [PATCH 17/19] selftests/bpf: Add fexit " Jiri Olsa
2021-06-05 11:10 ` [PATCH 18/19] selftests/bpf: Add fentry/fexit " Jiri Olsa
2021-06-09  5:41   ` Andrii Nakryiko
2021-06-09 14:29     ` Jiri Olsa
2021-06-05 11:10 ` [PATCH 19/19] selftests/bpf: Temporary fix for fentry_fexit_multi_test Jiri Olsa
2021-06-17 20:29 ` [RFCv3 00/19] x86/ftrace/bpf: Add batch support for direct/tracing attach Andrii Nakryiko
2021-06-19  8:33   ` Jiri Olsa
2021-06-19 16:19     ` Yonghong Song
2021-06-19 17:09       ` Jiri Olsa
2021-06-20 16:56         ` Yonghong Song
2021-06-20 17:47           ` Alexei Starovoitov
2021-06-21  6:46             ` Andrii Nakryiko
2021-06-21  6:50     ` Andrii Nakryiko
2021-07-06 20:26       ` Andrii Nakryiko
2021-07-07 15:19         ` Jiri Olsa

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210605111034.1810858-2-jolsa@kernel.org \
    --to=jolsa@kernel.org \
    --cc=andriin@fb.com \
    --cc=ast@kernel.org \
    --cc=bpf@vger.kernel.org \
    --cc=daniel@iogearbox.net \
    --cc=dxu@dxuuu.xyz \
    --cc=john.fastabend@gmail.com \
    --cc=kafai@fb.com \
    --cc=kpsingh@chromium.org \
    --cc=netdev@vger.kernel.org \
    --cc=rostedt@goodmis.org \
    --cc=songliubraving@fb.com \
    --cc=vmalik@redhat.com \
    --cc=yhs@fb.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).