Subject: Re: [PATCH] netpoll: use non-BH variant of RCU

From: "Paul E. McKenney" <[email-masked]>
Date: Wed, 11 Aug 2010 05:20:26 -0700

On Wed, Aug 11, 2010 at 07:03:30AM -0400, Herbert Xu wrote:
> On Tue, Aug 10, 2010 at 04:31:17PM -0700, David Miller wrote:
> >
> > Linus's tree is fine for this.
> > 
> > But we need this fix for 2.6.35-stable too.  Herbert would
> > you object to putting John's more simple fix there?
> 
> To use rcu_read_lock safely we'd also need to add do synchronize_rcu
> in addition of synchronize_rcu_bh, right Paul?

That is true.

> Of course as we were doing this unsafely prior to my patch anyway
> I'm also fine with just reverting it.

That is true as well.

							Thanx, Paul