[Ksummit-2013-discuss] [ATTEND] Use vprintk_emit() for userspace event communication

[Hidehiro Kawai]

(2013/07/19 22:30), Jiri Kosina wrote:
> On Fri, 19 Jul 2013, Hidehiro Kawai wrote:
> 
>>>> By the way, my RFC patch can be found here:
>>>> http://thread.gmane.org/gmane.linux.kernel/1519633
>>>>
>>> Hmm. Yes, I dimly remember that this was the original idea from Kay
>>> Sievers (who presented it at KS two years back).
>>
>> Thanks for the information.  I didn't know that such discussion had been
>> held, although I knew IBM guys' works in 2008.
> 
> http://lwn.net/Articles/464276/

Thanks for the URL.  Hmm, I wonder if Linus objected to managing
messages by unique IDs.  In contrast, our approach (hashing message
formats) doesn't assume the hashes are unique, so there would be no
objection about that.

Regards,
-- 
Hidehiro Kawai
Hitachi, Yokohama Research Laboratory
Linux Technology Center