linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Jiri Olsa <jolsa@redhat.com>
To: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andriin@fb.com>
Subject: [PATCH 1/8] x86/ftrace: Remove extra orig rax move
Date: Tue, 31 Aug 2021 11:50:10 +0200	[thread overview]
Message-ID: <20210831095017.412311-2-jolsa@kernel.org> (raw)
In-Reply-To: <20210831095017.412311-1-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:[~2021-08-31  9:50 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-31  9:50 [PATCH 0/8] x86/ftrace: Add direct batch interface Jiri Olsa
2021-08-31  9:50 ` Jiri Olsa [this message]
2021-08-31  9:50 ` [PATCH 2/8] x86/ftrace: Remove fault protection code in prepare_ftrace_return Jiri Olsa
2021-08-31  9:50 ` [PATCH 3/8] x86/ftrace: Make function graph use ftrace directly Jiri Olsa
2021-08-31  9:50 ` [PATCH 4/8] tracing: Add trampoline/graph selftest Jiri Olsa
2021-08-31  9:50 ` [PATCH 5/8] ftrace: Add ftrace_add_rec_direct function Jiri Olsa
2021-08-31  9:50 ` [PATCH 6/8] ftrace: Add multi direct register/unregister interface Jiri Olsa
2021-09-14 21:35   ` Steven Rostedt
2021-09-16 19:45     ` Jiri Olsa
2021-08-31  9:50 ` [PATCH 7/8] ftrace: Add multi direct modify interface Jiri Olsa
2021-09-14 21:41   ` Steven Rostedt
2021-09-15 21:47     ` Steven Rostedt
2021-09-16 19:49       ` Jiri Olsa
2021-09-16 20:41         ` Steven Rostedt
2021-08-31  9:50 ` [PATCH 8/8] ftrace/samples: Add multi direct interface test module Jiri Olsa
2021-09-01 15:23 ` [PATCH 0/8] x86/ftrace: Add direct batch interface Alexei Starovoitov
2021-09-01 19:06   ` Jiri Olsa
2021-09-02 14:54     ` Steven Rostedt
2021-10-08  9:13 [PATCHv2 " Jiri Olsa
2021-10-08  9:13 ` [PATCH 1/8] x86/ftrace: Remove extra orig rax move 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=20210831095017.412311-2-jolsa@kernel.org \
    --to=jolsa@redhat.com \
    --cc=andriin@fb.com \
    --cc=ast@kernel.org \
    --cc=bpf@vger.kernel.org \
    --cc=daniel@iogearbox.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rostedt@goodmis.org \
    /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).