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From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: Julien Grall <julien.grall@linaro.org>,
	Jan Beulich <JBeulich@suse.com>,
	David Vrabel <david.vrabel@citrix.com>,
	Roger Pau Monne <roger.pau@citrix.com>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	<patches@linaro.org>, <linux-arm-kernel@lists.infradead.org>,
	<xen-devel@lists.xenproject.org>,
	"Boris Ostrovsky" <boris.ostrovsky@oracle.com>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [Xen-devel] [PATCH] xen/block: Correctly define structures in public headers on ARM32 and ARM64
Date: Tue, 3 Dec 2013 15:55:47 +0000	[thread overview]
Message-ID: <20131203155547.669b8627@alan.etchedpixels.co.uk> (raw)
In-Reply-To: <1386085745.13256.51.camel@kazak.uk.xensource.com>

> Just a random thought but what about using the CONFIG_$ARCH to define a
> more semantic name, like HAVE_4_BYTE_ALIGNED_QUAD_WORDS, or whichever
> terminology for an 8-byte type is appropriate in the context.
> 
> Maybe Linux even already has such a #define?

It doesn't need one. It's written in GNU C so we have __alignof__.

See

http://gcc.gnu.org/onlinedocs/gcc/Alignment.html


      reply	other threads:[~2013-12-03 15:58 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-03 15:09 Julien Grall
2013-12-03 15:15 ` [Xen-devel] " Jan Beulich
2013-12-03 15:28   ` Julien Grall
2013-12-03 15:49     ` Ian Campbell
2013-12-03 15:55       ` One Thousand Gnomes [this message]

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