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From: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
To: akpm@linux-foundation.org, linux-kernel@vger.kernel.org
Cc: hch@infradead.org
Subject: [PATCH] Text Edit Lock - i386 kerneldoc implementation
Date: Sun, 15 Jul 2007 19:36:51 -0400	[thread overview]
Message-ID: <20070715233651.GF22428@Krystal> (raw)
In-Reply-To: <20070714012412.380213021@polymtl.ca>

Text Edit Lock - i386 kerneldoc implementation

Add kerneldoc to text edit lock i386 API.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: hch@infradead.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

  parent reply	other threads:[~2007-07-15 23:37 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-07-14  1:21 [patch 0/8] Text Edit Lock Mathieu Desnoyers
2007-07-14  1:21 ` [patch 1/8] Kprobes - do not use kprobes mutex in arch code Mathieu Desnoyers
2007-07-14 10:49   ` Christoph Hellwig
2007-07-14 19:20     ` Mathieu Desnoyers
2007-07-16 10:27       ` Ananth N Mavinakayanahalli
2007-07-16 15:12         ` Mathieu Desnoyers
2007-07-14 19:30     ` Mathieu Desnoyers
2007-07-14 19:51     ` [PATCH] Kprobes - use a mutex to protect the instruction pages list Mathieu Desnoyers
2007-07-17  5:38       ` Ananth N Mavinakayanahalli
2007-07-14 19:52     ` [PATCH] Kprobes - Declare kprobe_mutex static Mathieu Desnoyers
2007-07-17  5:39       ` Ananth N Mavinakayanahalli
2007-07-17  5:38   ` [patch 1/8] Kprobes - do not use kprobes mutex in arch code Ananth N Mavinakayanahalli
2007-07-14  1:21 ` [patch 2/8] Text Edit Lock - Architecture Independent Code Mathieu Desnoyers
2007-07-14 22:55   ` [PATCH] Immediate Values - Architecture Independent Code - Fixes following HCH comments Mathieu Desnoyers
2007-07-14 22:57     ` (drop : wrong email thread) " Mathieu Desnoyers
2007-07-15  1:28   ` [PATCH] Text Edit Lock - Architecture Independent Code - kerneldoc Mathieu Desnoyers
2007-07-15  9:04     ` Christoph Hellwig
2007-07-15 23:30     ` Mathieu Desnoyers
2007-07-15 23:35   ` [PATCH] Text Edit Lock - Architecture Independent Code for Implementation Mathieu Desnoyers
2007-07-14  1:21 ` [patch 3/8] Text Edit Lock - i386 Mathieu Desnoyers
2007-07-14 16:18   ` Christoph Hellwig
2007-07-14 20:08     ` [PATCH] Text Edit Lock - i386 Use kernel_text_is_ro Mathieu Desnoyers
2007-07-14 23:31   ` [PATCH] Text Edit Lock - i386 Fix endif CONFIG_DEBUG_RODATA Mathieu Desnoyers
2007-07-15  1:29     ` [PATCH] Text Edit Lock - i386 kerneldoc Mathieu Desnoyers
2007-07-15 23:30       ` Mathieu Desnoyers
2007-07-15 23:36   ` Mathieu Desnoyers [this message]
2007-07-14  1:21 ` [patch 4/8] Text Edit Lock - x86_64 Mathieu Desnoyers
2007-07-14 20:16   ` [PATCH] Text Edit Lock - x86_64 Use kernel_tex_is_ro Mathieu Desnoyers
2007-07-14 23:32   ` [PATCH] Text Edit Lock - x86_64 Fix !CONFIG_DEBUG_RODATA Mathieu Desnoyers
2007-07-15  1:30     ` [PATCH] Text Edit Lock - x86_64 kerneldoc Mathieu Desnoyers
2007-07-15 23:30       ` Mathieu Desnoyers
2007-07-15 23:38   ` [PATCH] Text Edit Lock - x86_64 kerneldoc implementation Mathieu Desnoyers
2007-07-14  1:21 ` [patch 5/8] Text Edit Lock - Alternative code for i386 and x86_64 Mathieu Desnoyers
2007-07-14  1:21 ` [patch 6/8] Text Edit Lock - Kprobes architecture independent support Mathieu Desnoyers
2007-07-14 19:56   ` [PATCH] Kprobes - no kprobes_mutex needed around arch_remove_kprobe calls Mathieu Desnoyers
2007-07-14  1:21 ` [patch 7/8] Text Edit Lock - kprobes i386 Mathieu Desnoyers
2007-07-14  1:21 ` [patch 8/8] Text Edit Lock - kprobes x86_64 Mathieu Desnoyers
2007-07-14 10:50 ` [patch 0/8] Text Edit Lock Christoph Hellwig
2007-07-14 15:21   ` Mathieu Desnoyers

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