linux-kernel - Re: [Xen-devel] [PATCH] xen/block: Correctly define structures in public headers on ARM32 and ARM64

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Date:	Tue, 03 Dec 2013 15:28:23 +0000
From:	Julien Grall <julien.grall@...aro.org>
To:	Jan Beulich <JBeulich@...e.com>
CC:	David Vrabel <david.vrabel@...rix.com>,
	Ian Campbell <ian.campbell@...rix.com>,
	Roger Pau Monne <roger.pau@...rix.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	patches@...aro.org, linux-arm-kernel@...ts.infradead.org,
	xen-devel@...ts.xenproject.org,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [Xen-devel] [PATCH] xen/block: Correctly define structures in
 public headers on ARM32 and ARM64

On 12/03/2013 03:15 PM, Jan Beulich wrote:
>>>> On 03.12.13 at 16:09, Julien Grall <julien.grall@...aro.org> wrote:
>> --- a/include/xen/interface/io/blkif.h
>> +++ b/include/xen/interface/io/blkif.h
>> @@ -146,7 +146,7 @@ struct blkif_request_segment_aligned {
>>  struct blkif_request_rw {
>>  	uint8_t        nr_segments;  /* number of segments                   */
>>  	blkif_vdev_t   handle;       /* only for read/write requests         */
>> -#ifdef CONFIG_X86_64
>> +#if defined(CONFIG_X86_64) || defined(CONFIG_ARM) || defined(CONFIG_ARM64)
> 
> Perhaps using
> 
> #ifndef CONFIG_X86_32
> 
> would be the better one, assuming that we won't add further
> non-64-bit-clean ABI variants?

I'm fine with this solution. I will resend the patch.

-- 
Julien Grall
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