linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	"H. Peter Anvin" <hpa@zytor.com>
Subject: [PATCH 04/19] ftrace/x86_32: Push ftrace_ops in as 3rd parameter to function tracer
Date: Fri, 20 Jul 2012 22:19:47 -0400	[thread overview]
Message-ID: <20120721022107.235836623@goodmis.org> (raw)
In-Reply-To: 20120721021943.274162381@goodmis.org

[-- Attachment #1: Type: text/plain, Size: 1310 bytes --]

From: Steven Rostedt <srostedt@redhat.com>

Add support of passing the current ftrace_ops into the 3rd parameter
of the callback to the function tracer.

Link: http://lkml.kernel.org/r/20120612225424.942411318@goodmis.org

Reviewed-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 arch/x86/include/asm/ftrace.h |    2 +-
 arch/x86/kernel/entry_32.S    |    1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index 783b107..b3bb1f3 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -32,7 +32,7 @@
 #define MCOUNT_ADDR		((long)(mcount))
 #define MCOUNT_INSN_SIZE	5 /* sizeof mcount call */
 
-#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_X86_64)
+#ifdef CONFIG_DYNAMIC_FTRACE
 #define ARCH_SUPPORTS_FTRACE_OPS 1
 #endif
 
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 623f288..e3e17a0 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1111,6 +1111,7 @@ ENTRY(ftrace_caller)
 	pushl %edx
 	movl 0xc(%esp), %eax
 	movl 0x4(%ebp), %edx
+	leal function_trace_op, %ecx
 	subl $MCOUNT_INSN_SIZE, %eax
 
 .globl ftrace_call
-- 
1.7.10.4



[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 836 bytes --]

  parent reply	other threads:[~2012-07-21  2:21 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-21  2:19 [PATCH 00/19] [GIT PULL][v3.6] ftrace: Allow kprobes to work with ftace Steven Rostedt
2012-07-21  2:19 ` [PATCH 01/19] ftrace: Pass ftrace_ops as third parameter to function trace callback Steven Rostedt
2012-07-21  2:19 ` [PATCH 02/19] ftrace: Consolidate arch dependent functions with list function Steven Rostedt
2012-07-21  2:19 ` [PATCH 03/19] ftrace: Return pt_regs to function trace callback Steven Rostedt
2012-07-21  2:19 ` Steven Rostedt [this message]
2012-07-21  2:19 ` [PATCH 05/19] ftrace/x86: Add separate function to save regs Steven Rostedt
2012-07-21  2:19 ` [PATCH 06/19] ftrace/x86: Add save_regs for i386 function calls Steven Rostedt
2012-07-21  2:19 ` [PATCH 07/19] ftrace/x86_32: Simplify parameter setup for ftrace_regs_caller Steven Rostedt
2012-07-23  4:06   ` Masami Hiramatsu
2012-07-21  2:19 ` [PATCH 08/19] ftrace/x86: Remove function_trace_stop check from graph caller Steven Rostedt
2012-07-21  2:19 ` [PATCH 09/19] ftrace: Add default recursion protection for function tracing Steven Rostedt
2012-07-21  2:19 ` [PATCH 10/19] ftrace: Only compile ftrace selftest if selftests are enabled Steven Rostedt
2012-07-21  2:19 ` [PATCH 11/19] ftrace: Add selftest to test function trace recursion protection Steven Rostedt
2012-07-21  2:19 ` [PATCH 12/19] ftrace: Add selftest to test function save-regs support Steven Rostedt
2012-07-21  2:19 ` [PATCH 13/19] ftrace: add ftrace_set_filter_ip() for address based filter Steven Rostedt
2012-07-21  2:19 ` [PATCH 14/19] kprobes: Inverse taking of module_mutex with kprobe_mutex Steven Rostedt
2012-07-21  2:19 ` [PATCH 15/19] kprobes: cleanup to separate probe-able check Steven Rostedt
2012-07-21  2:19 ` [PATCH 16/19] kprobes: Move locks into appropriate functions Steven Rostedt
2012-07-21  2:20 ` [PATCH 17/19] ftrace: Make ftrace_location() a nop on !DYNAMIC_FTRACE Steven Rostedt
2012-07-21  2:20 ` [PATCH 18/19] kprobes: introduce ftrace based optimization Steven Rostedt
2012-07-21  2:20 ` [PATCH 19/19] kprobes/x86: ftrace based optimization for x86 Steven Rostedt
2012-07-30 15:51 ` [PATCH 00/19] [GIT PULL][v3.6] ftrace: Allow kprobes to work with ftace Steven Rostedt
2012-07-31 14:37   ` [GIT PULL][v3.7] (was: Re: [PATCH 00/19] [GIT PULL][v3.6]) " Steven Rostedt
2012-07-31 15:12   ` [PATCH 00/19] [GIT PULL][v3.6] " Ingo Molnar
2012-08-07 13:23     ` Steven Rostedt
2012-08-21  9:26 ` Ingo Molnar

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=20120721022107.235836623@goodmis.org \
    --to=rostedt@goodmis.org \
    --cc=akpm@linux-foundation.org \
    --cc=fweisbec@gmail.com \
    --cc=hpa@zytor.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=masami.hiramatsu.pt@hitachi.com \
    --cc=mingo@elte.hu \
    --cc=tglx@linutronix.de \
    /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).