linux-kernel - Re: [PATCH V2 3/5] xen: Delay invalidating extra memory

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Message-ID: <545CCFDC.9020603@citrix.com>
Date:	Fri, 7 Nov 2014 13:57:48 +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>,
	<boris.ostrovsky@...cle.com>, <x86@...nel.org>,
	<tglx@...utronix.de>, <mingo@...hat.com>, <hpa@...or.com>
Subject: Re: [PATCH V2 3/5] xen: Delay invalidating extra memory

On 06/11/14 05:47, Juergen Gross wrote:
> When the physical memory configuration is initialized the p2m entries
> for not pouplated memory pages are set to "invalid". As those pages
> are beyond the hypervisor built p2m list the p2m tree has to be
> extended.
> 
> This patch delays processing the extra memory related p2m entries
> during the boot process until some more basic memory management
> functions are callable. This removes the need to create new p2m
> entries until virtual memory management is available.

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

But I would like a second reviewed by for all the patches in this series
since it's such a complex area.

David
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