Messages in this thread Patch in this message | | | Date | Sun, 15 Jul 2007 19:38:16 -0400 | From | Mathieu Desnoyers <> | Subject | [PATCH] Text Edit Lock - x86_64 kerneldoc implementation |
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Text Edit Lock - x86_64 kerneldoc implementation
Add kerneldoc to text edit lock x86_64 API.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> CC: hch@infradead.org CC: Andi Kleen <andi@firstfloor.org> --- arch/x86_64/mm/init.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-)
Index: linux-2.6-lttng/arch/x86_64/mm/init.c =================================================================== --- linux-2.6-lttng.orig/arch/x86_64/mm/init.c 2007-07-15 19:01:50.000000000 -0400 +++ linux-2.6-lttng/arch/x86_64/mm/init.c 2007-07-15 19:02:18.000000000 -0400 @@ -617,8 +617,13 @@ void mark_rodata_ro(void) global_flush_tlb(); } -/* - * 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. */ void kernel_text_mark_rw(unsigned long address, size_t len) { @@ -636,6 +641,13 @@ void kernel_text_mark_rw(unsigned long a } 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 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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