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Subject[PATCH] Text Edit Lock - Architecture Independent Code for Implementation
Text Edit Lock - Architecture Independent Code - kerneldoc implementation

Add kerneldoc to text edit lock API.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: hch@infradead.org
---
mm/memory.c | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)

Index: linux-2.6-lttng/mm/memory.c
===================================================================
--- linux-2.6-lttng.orig/mm/memory.c 2007-07-15 18:56:32.000000000 -0400
+++ linux-2.6-lttng/mm/memory.c 2007-07-15 18:57:18.000000000 -0400
@@ -2820,9 +2820,12 @@ int access_process_vm(struct task_struct
}
EXPORT_SYMBOL_GPL(access_process_vm);

-/*
- * Lock the kernel text for mutual write exclusion. Used for dynamic code
- * patching.
+/**
+ * kernel_text_lock - Take the kernel text modification lock
+ *
+ * Insures mutual write exclusion of kernel and modules text live text
+ * modification. Should be used for code patching.
+ * Users of this lock can sleep.
*/
void __kprobes kernel_text_lock(void)
{
@@ -2830,6 +2833,13 @@ void __kprobes kernel_text_lock(void)
}
EXPORT_SYMBOL_GPL(kernel_text_lock);

+/**
+ * kernel_text_unlock - Release the kernel text modification lock
+ *
+ * Insures mutual write exclusion of kernel and modules text live text
+ * modification. Should be used for code patching.
+ * Users of this lock can sleep.
+ */
void __kprobes kernel_text_unlock(void)
{
mutex_unlock(&text_mutex);
--
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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