linux-kernel - [PATCH] Text Edit Lock - i386 kerneldoc implementation

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Message-ID: <20070715233651.GF22428@Krystal>
Date:	Sun, 15 Jul 2007 19:36:51 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Cc:	hch@...radead.org
Subject: [PATCH] Text Edit Lock - i386 kerneldoc implementation

Text Edit Lock - i386 kerneldoc implementation

Add kerneldoc to text edit lock i386 API.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
CC: hch@...radead.org
---
 arch/i386/mm/init.c |   17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

Index: linux-2.6-lttng/arch/i386/mm/init.c
===================================================================
--- linux-2.6-lttng.orig/arch/i386/mm/init.c	2007-07-15 18:59:31.000000000 -0400
+++ linux-2.6-lttng/arch/i386/mm/init.c	2007-07-15 19:00:05.000000000 -0400
@@ -826,9 +826,13 @@ void mark_rodata_ro(void)
 	global_flush_tlb();
 }
 
-/*
- * Lock the kernel text for mutual write exclusion.
- * Make sure the pages are writable.
+/**
+ * kernel_text_mark_rw  -   Mark kernel text RW
+ * @address:                location of the code
+ * @len:                    size of code to mark
+ *
+ * Mark the kernel text pages writable so they can safely written to. This is
+ * useful for code patching.
  */
 void __kprobes kernel_text_mark_rw(unsigned long address, size_t len)
 {
@@ -846,6 +850,13 @@ void __kprobes kernel_text_mark_rw(unsig
 }
 EXPORT_SYMBOL_GPL(kernel_text_mark_rw);
 
+/**
+ * kernel_text_unmark  -    Mark kernel text back to its original flags
+ * @address:                location of the code
+ * @len:                    size of code to mark
+ *
+ * Mark the kernel text back to its original flags.
+ */
 void __kprobes kernel_text_unmark(unsigned long address, size_t len)
 {
 	if (kernel_text_is_ro && address >= PFN_ALIGN(_text)
-- 
Mathieu Desnoyers
Computer Engineering Ph.D. Student, Ecole Polytechnique de Montreal
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68
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