linux-kernel - Re: [Xen-devel] [PATCH] xen/pci: Don't build Xen pci code for ARM and ARM64

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Message-ID: <56094600.7050508@citrix.com>
Date:	Mon, 28 Sep 2015 14:52:00 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Julien Grall <julien.grall@...rix.com>,
	<xen-devel@...ts.xenproject.org>
CC:	<ian.campbell@...rix.com>, <stefano.stabellini@...citrix.com>,
	<linux-kernel@...r.kernel.org>,
	Robert Richter <robert.richter@...iumnetworks.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Xen-devel] [PATCH] xen/pci: Don't build Xen pci code for ARM
 and ARM64

On 28/09/15 14:30, Julien Grall wrote:
> The PCI support for Xen doesn't compile on ARM/ARM64 when
> CONFIG_PCI_MMCONFIG=y:
> 
> drivers/xen/pci.c:31:25: fatal error: asm/pci_x86.h: No such file or
> directory
>  #include <asm/pci_x86.h>
> 
> Although, Xen is not currently involved in PCI management for ARM/ARM64.
> There is plan to support it, but it would require some changes in Linux
> side.
> 
> For now, introduce a new config options XEN_PCI which will be turned off
> for ARM platform.

Since PCI_MMCONFIG isn't x86 specific and its use in drivers/xen/pci.c
is, can you fix this by changing to #ifdef CONFIG_X86?

David

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