linux-kernel - Re: [Xen-devel] [Patch V2 07/15] xen: check memory area against e820 map

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Date:	Thu, 9 Apr 2015 09:29:10 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Juergen Gross <jgross@...e.com>, <linux-kernel@...r.kernel.org>,
	<xen-devel@...ts.xensource.com>, <konrad.wilk@...cle.com>,
	<david.vrabel@...rix.com>, <boris.ostrovsky@...cle.com>,
	<linux-mm@...ck.org>
Subject: Re: [Xen-devel] [Patch V2 07/15] xen: check memory area against e820
 map

On 09/04/15 07:55, Juergen Gross wrote:
> Provide a service routine to check a physical memory area against the
> E820 map. The routine will return false if the complete area is RAM
> according to the E820 map and true otherwise.
> 
> Signed-off-by: Juergen Gross <jgross@...e.com>
> ---
>  arch/x86/xen/setup.c   | 23 +++++++++++++++++++++++
>  arch/x86/xen/xen-ops.h |  1 +
>  2 files changed, 24 insertions(+)
> 
> diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
> index 87251b4..4666adf 100644
> --- a/arch/x86/xen/setup.c
> +++ b/arch/x86/xen/setup.c
> @@ -573,6 +573,29 @@ static unsigned long __init xen_count_remap_pages(unsigned long max_pfn)
>  	return extra;
>  }
>  
> +bool __init xen_chk_e820_reserved(phys_addr_t start, phys_addr_t size)

Can you rename this to xen_is_e280_reserved().

Otherwise,

Reviewed-by: David Vrabel <david.vrabel@...rix.com>

David
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