linux-kernel - Re: [Xen-devel] [PATCH 2/3] x86: allow dma_get_required

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Message-Id: <546495280200007800047203@mail.emea.novell.com>
Date:	Thu, 13 Nov 2014 10:25:28 +0000
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"David Vrabel" <david.vrabel@...rix.com>
Cc:	<x86@...nel.org>, "Thomas Gleixner" <tglx@...utronix.de>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	<xen-devel@...ts.xenproject.org>,
	"Boris Ostrovsky" <boris.ostrovsky@...cle.com>,
	"Ingo Molnar" <mingo@...hat.com>, <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [Xen-devel] [PATCH 2/3] x86: allow dma_get_required_mask()
 to be overridden

>>> On 12.11.14 at 16:25, <david.vrabel@...rix.com> wrote:
> --- a/arch/x86/include/asm/device.h
> +++ b/arch/x86/include/asm/device.h
> @@ -13,4 +13,6 @@ struct dev_archdata {
>  struct pdev_archdata {
>  };
>  
> +#define ARCH_HAS_DMA_GET_REQUIRED_MASK

Is there a particular reason you put this here rather than in
dma-mapping.h?

Jan

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