lkml.org 
[lkml]   [2010]   [Apr]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: Is module refcounting racy?
From
Date
Le mardi 06 avril 2010 à 15:05 +1000, Nick Piggin a écrit :

> Also if anyone else is looking at a way to do _really_ scalable
> refcounting elsewhere, this could be a good template (I certainly looked
> here first when trying to get ideas for vfsmount refcounting).

Yes, nice trick Nick, I was thinking about it for network code :)

Acked-by: Eric Dumazet <eric.dumazet@gmail.com>

I confess the smp_wmb() in module_put() bothered me a bit until I saw it
was only a barrier() on X86 (if !CONFIG_X86_OOSTORE)



--
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/

\
 
 \ /
  Last update: 2010-04-06 08:21    [W:0.069 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site