linux-kernel - Re: [PATCH v6 2/9] arch/x86: Do not access EFI memory map if it is not available

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Message-ID: <53A7F8FF.2050309@citrix.com>
Date:	Mon, 23 Jun 2014 10:53:03 +0100
From:	David Vrabel <david.vrabel@...rix.com>
To:	Daniel Kiper <daniel.kiper@...cle.com>,
	<linux-efi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<x86@...nel.org>, <xen-devel@...ts.xenproject.org>
CC:	<andrew.cooper3@...rix.com>, <boris.ostrovsky@...cle.com>,
	<eshelton@...ox.com>, <hpa@...or.com>, <ian.campbell@...rix.com>,
	<jbeulich@...e.com>, <jeremy@...p.org>, <konrad.wilk@...cle.com>,
	<matt.fleming@...el.com>, <mingo@...hat.com>,
	<mjg59@...f.ucam.org>, <stefano.stabellini@...citrix.com>,
	<tglx@...utronix.de>
Subject: Re: [PATCH v6 2/9] arch/x86: Do not access EFI memory map if it is
 not available

On 20/06/14 22:29, Daniel Kiper wrote:
> Do not access EFI memory map if it is not available. At least
> Xen dom0 EFI implementation does not have an access to it.

Could it make one based on the XENMEM_memory_map or
XENMEM_machine_memory_map hypercall?

David
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