netdev - Re: [PATCH 4/11] use ether_addr_equal

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Message-ID: <1388999220.5891.3.camel@jlt4.sipsolutions.net>
Date:	Mon, 06 Jan 2014 10:07:00 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	Joe Perches <joe@...ches.com>,
	Henrique de Moraes Holschuh <hmh@....eng.br>,
	kernel-janitors@...r.kernel.org,
	Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
	Intel Linux Wireless <ilw@...ux.intel.com>,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/11]  use ether_addr_equal_64bits

On Mon, 2014-01-06 at 10:04 +0100, Julia Lawall wrote:

> OK, the question was expressed badly.  Is there any way to use the value
> to trigger an action at build time?  The only way I kow to trigger an
> action is with #error, but #error is processed by cpp, which doesn't know
> about the size of types.

That's exactly BUILD_BUG_ON(), I believe.

johannes


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