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From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: Jarek Poplawski <jarkao2@gmail.com>
Cc: David Miller <davem@davemloft.net>,
	shemminger@vyatta.com, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fib_trie: rcu_assign_pointer warning fix
Date: Wed, 13 Feb 2008 14:55:55 -0800	[thread overview]
Message-ID: <20080213225555.GN12393@linux.vnet.ibm.com> (raw)
In-Reply-To: <20080212194630.GB2803@ami.dom.local>

On Tue, Feb 12, 2008 at 08:46:30PM +0100, Jarek Poplawski wrote:
> On Tue, Feb 12, 2008 at 08:32:18PM +0100, Jarek Poplawski wrote:
> ...
> > It seems the above version of this macro uses the barrier for 0, but
> > if I miss something, or for these other: documenting reasons,
> 
> ...or __builtin_constants could be used for indexing (?!),

Yep.  For example:

	elem[0].next = 1;
	rcu_assign_index(global_index, 0);

							Thanx, Paul

> > then of
> > course you are right.
> 
> Jarek P.

  reply	other threads:[~2008-02-13 22:56 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20080211165954.2f1b3a9b@extreme>
2008-02-12  1:16 ` David Miller
2008-02-12  8:57   ` Jarek Poplawski
2008-02-12 16:07     ` Paul E. McKenney
2008-02-12 19:32       ` Jarek Poplawski
2008-02-12 19:46         ` Jarek Poplawski
2008-02-13 22:55           ` Paul E. McKenney [this message]
     [not found] ` <20080212012741.GD29254@linux.vnet.ibm.com>
2008-02-12  5:15   ` David Miller
2008-02-12  1:18 Stephen Hemminger

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