(2013/07/11 5:25), Jiri Kosina wrote:
> Hi,
>
> this is a resurrection of a few years old idea to have jump labels use
> synchronization based on int3 breakpoint rather than relying on
> stop_machine() with all the consequences.
>
> ftrace has been doing exactly this kind of patching for year since
> 08d636b6 ("ftrace/x86: Have arch x86_64 use breakpoints instead of stop
> machine").
>
> This patchset first introduces generic text_poke_bp() that provides means
> to perform this method of patching in parallel to text_poke_smp(), and
> then converts x86 jump label code to use it.
>
> If this is merged, I'll do a followup patch converting ftrace to use this
> infrastructure as well, as it's doing the same thing in principle already.
Hi Jiri,
Thank you for taking over it! :)
If yours is merged, I can move optprobe on that too ;)
Thank you again!!
--
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu...@hitachi.com
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
