linux-kernel - Re: [Xen-devel] [PATCH V3 6/8] xen: Hide get_phys_to

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Date:	Tue, 11 Nov 2014 17:38:02 +0000
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>,
	<x86@...nel.org>, <tglx@...utronix.de>, <mingo@...hat.com>,
	<hpa@...or.com>
Subject: Re: [Xen-devel] [PATCH V3 6/8] xen: Hide get_phys_to_machine() to
 be able to tune common path

On 11/11/14 05:43, Juergen Gross wrote:
> Today get_phys_to_machine() is always called when the mfn for a pfn
> is to be obtained. Add a wrapper __pfn_to_mfn() as inline function
> to be able to avoid calling get_phys_to_machine() when possible as
> soon as the switch to a linear mapped p2m list has been done.

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

David
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