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Message-Id: <53A824D1020000780001C630@mail.emea.novell.com>
Date:	Mon, 23 Jun 2014 12:00:01 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"David Vrabel" <david.vrabel@...rix.com>, <x86@...nel.org>,
	<xen-devel@...ts.xenproject.org>,
	"Daniel Kiper" <daniel.kiper@...cle.com>,
	<linux-efi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Cc:	<andrew.cooper3@...rix.com>, <ian.campbell@...rix.com>,
	<stefano.stabellini@...citrix.com>, <jeremy@...p.org>,
	<matt.fleming@...el.com>, <tglx@...utronix.de>,
	<boris.ostrovsky@...cle.com>, <konrad.wilk@...cle.com>,
	<eshelton@...ox.com>, <mingo@...hat.com>, <mjg59@...f.ucam.org>,
	<hpa@...or.com>
Subject: Re: [PATCH v6 2/9] arch/x86: Do not access EFI memory map if
 it is not available

>>> On 23.06.14 at 11:53, <david.vrabel@...rix.com> wrote:
> 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?

No, the correct operation to implement this and efi_mem_type()
similar function is XEN_FW_EFI_INFO, index XEN_FW_EFI_MEM_INFO.

Jan

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