Re: [PATCH] NFS: Fix RCU warnings innfs_inode_return_delegation_noreclaim() [ver #2]

[Paul E. McKenney]

On Mon, Mar 29, 2010 at 11:22:30PM +0100, David Howells wrote:
> Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> wrote:
> 
> > And rcu_dereference_raw() is the same as the old rcu_dereference().
> 
> Exactly.  That's the other half of the issue - that interpolates a redundant
> memory barrier.

Only on Alpha.  Otherwise only a volatile access.

							Thanx, Paul
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