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Subject: Re: [patch 4/4] Xen core patch : /dev/mem calls io_remap_page_range
From: Dave Hansen <haveblue@us.ibm.com>
To: Ian Pratt <Ian.Pratt@cl.cam.ac.uk>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@osdl.org>, Keir.Fraser@cl.cam.ac.uk,
       Christian.Limpach@cl.cam.ac.uk
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Date: Wed, 17 Nov 2004 16:25:04 -0800
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On Wed, 2004-11-17 at 15:56, Ian Pratt wrote:
> +#if defined(CONFIG_XEN)
> +       if (io_remap_page_range(vma, vma->vm_start, offset, 
> +                               vma->vm_end-vma->vm_start, vma->vm_page_prot))
> +               return -EAGAIN;
> +#else
>         if (remap_page_range(vma, vma->vm_start, offset, vma->vm_end-vma->vm_start,
>                              vma->vm_page_prot))
>                 return -EAGAIN;
> +#endif
>         return 0;
>  }

Do *all* calls to remap_page_range() under your arch need to be
converted like this, or is this the only one?  Seems like something that
should be done with header magic instead.  

-- Dave