From: Eric Dumazet <eric.dumazet@gmail.com>
To: Nick Piggin <npiggin@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Rusty Russell <rusty@rustcorp.com.au>,
Nick Piggin <npiggin@gmail.com>,
linux-kernel@vger.kernel.org,
Jon Masters <jonathan@jonmasters.org>
Subject: Re: Is module refcounting racy?
Date: Tue, 06 Apr 2010 08:19:23 +0200 [thread overview]
Message-ID: <1270534763.9013.55.camel@edumazet-laptop> (raw)
In-Reply-To: <20100406050549.GA11191@laptop>
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)
next prev parent reply other threads:[~2010-04-06 6:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-18 10:55 Nick Piggin
2010-03-29 9:12 ` Rusty Russell
2010-03-29 16:58 ` Nick Piggin
2010-03-31 3:44 ` Rusty Russell
2010-04-01 8:09 ` Nick Piggin
2010-04-01 15:55 ` Linus Torvalds
2010-04-06 2:39 ` Rusty Russell
2010-04-06 5:05 ` Nick Piggin
2010-04-06 6:19 ` Eric Dumazet [this message]
2010-04-06 7:38 ` Nick Piggin
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