linux-kernel - [PATCH] Text Edit Lock

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Message-ID: <20070715013014.GC23209@Krystal>
Date:	Sat, 14 Jul 2007 21:30:14 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Cc:	Andi Kleen <andi@...stfloor.org>, hch@...radead.org
Subject: [PATCH] Text Edit Lock - x86_64 kerneldoc

Text Edit Lock - x86_64 kerneldoc

Add kerneldoc to text edit lock x86_64 API.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
CC: hch@...radead.org
---
 include/asm-x86_64/cacheflush.h |   19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

Index: linux-2.6-lttng/include/asm-x86_64/cacheflush.h
===================================================================
--- linux-2.6-lttng.orig/include/asm-x86_64/cacheflush.h	2007-07-14 20:25:49.000000000 -0400
+++ linux-2.6-lttng/include/asm-x86_64/cacheflush.h	2007-07-14 20:25:50.000000000 -0400
@@ -32,8 +32,25 @@ void clflush_cache_range(void *addr, int
 #ifdef CONFIG_DEBUG_RODATA
 void mark_rodata_ro(void);
 
-/* mark kernel text pages 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.
+*/
+
 extern void kernel_text_mark_rw(unsigned long address, size_t len);
+
+/**
+ * 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.
+ */
+
 extern void kernel_text_unmark(unsigned long address, size_t len);
 #else
 static inline void kernel_text_mark_rw(unsigned long address, size_t len) { }
-- 
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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