Re: [PATCH] cred - synchronize rcu before releasing cred

From: David Howells
Date: Wed Jul 28 2010 - 08:47:30 EST

David Howells <dhowells@xxxxxxxxxx> wrote:

> Yeah. I think there are three alternatives:

There's a fourth alternative too:

(4) I could try and make it so that if the RCU cleanup routine sees it with a
non-zero usage count, then it just ignores it. This, however, would
require call_rcu() to be able to cope with requeueing.

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