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

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Message-ID: <20160503084520.GC31363@infradead.org>
Date:	Tue, 3 May 2016 01:45:20 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	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 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..