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[PATCH 3/9] tracing: MIPS: mcount.S: cleanup of the comments

To: Ralf Baechle <ralf@linux-mips.org>
Subject: [PATCH 3/9] tracing: MIPS: mcount.S: cleanup of the comments
From: Wu Zhangjin <wuzhangjin@gmail.com>
Date: Fri, 14 May 2010 19:08:28 +0800
Cc: linux-mips <linux-mips@linux-mips.org>, David Daney <david.s.daney@gmail.com>, Wu Zhangjin <wuzhangjin@gmail.com>
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In-reply-to: <cover.1273834561.git.wuzhangjin@gmail.com>
In-reply-to: <cover.1273834561.git.wuzhangjin@gmail.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <cover.1273834561.git.wuzhangjin@gmail.com>
References: <cover.1273834561.git.wuzhangjin@gmail.com>
Sender: linux-mips-bounce@linux-mips.org
From: Wu Zhangjin <wuzhangjin@gmail.com>

This patch cleans up the comments.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
---
 arch/mips/kernel/mcount.S |   11 ++++++-----
 1 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/mips/kernel/mcount.S b/arch/mips/kernel/mcount.S
index d4a00d2..9a029d4 100644
--- a/arch/mips/kernel/mcount.S
+++ b/arch/mips/kernel/mcount.S
@@ -6,6 +6,7 @@
  * more details.
  *
  * Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University, China
+ * Copyright (C) 2010 DSLab, Lanzhou University, China
  * Author: Wu Zhangjin <wuzhangjin@gmail.com>
  */
 
@@ -69,14 +70,14 @@ _mcount:
 
        MCOUNT_SAVE_REGS
 #ifdef KBUILD_MCOUNT_RA_ADDRESS
-       PTR_S   t0, PT_R12(sp)  /* t0 saved the location of the return 
address(at) by -mmcount-ra-address */
+       PTR_S   t0, PT_R12(sp)  /* save location of parent's return address */
 #endif
 
-       move    a0, ra          /* arg1: next ip, selfaddr */
+       move    a0, ra          /* arg1: self return address */
        .globl ftrace_call
 ftrace_call:
        nop     /* a placeholder for the call to a real tracing function */
-        move   a1, AT          /* arg2: the caller's next ip, parent */
+        move   a1, AT          /* arg2: parent's return address */
 
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
        .globl ftrace_graph_call
@@ -117,9 +118,9 @@ NESTED(_mcount, PT_SIZE, ra)
 static_trace:
        MCOUNT_SAVE_REGS
 
-       move    a0, ra          /* arg1: next ip, selfaddr */
+       move    a0, ra          /* arg1: self return address */
        jalr    t2              /* (1) call *ftrace_trace_function */
-        move   a1, AT          /* arg2: the caller's next ip, parent */
+        move   a1, AT          /* arg2: parent's return address */
 
        MCOUNT_RESTORE_REGS
        .globl ftrace_stub
-- 
1.7.0.4


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