linux-kernel - Re: [PATCH 2/2] target: use RCU_INIT

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Date:	Tue, 3 May 2016 06:07:22 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Muhammad Falak R Wani <falakreyaz@...il.com>,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>,
	target-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] target: use RCU_INIT_POINTER() when NULLing.

On Tue, May 03, 2016 at 01:45:20AM -0700, Christoph Hellwig wrote:
> On Mon, May 02, 2016 at 11:06:44AM -0700, Paul E. McKenney wrote:
> > And for v.  But how do I do that without C++ templates?
> > 
> > Also, does __builtin_constant_p() work reliably on a parameter?
> > Especially when the compiler decides not to do the inlining?
> 
> Yeah, it's going to be a pain indeed, guess that's why it hasn't been
> done before..

Speaking of pain and things that haven't been done before, would you
be interested in being in the first group to review an attempt to
formalize memory-barriers.txt?

							Thanx, Paul