linux-kernel - Re: [PATCH 0/8 v3] KVM support for 1GB pages

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Message-ID: <4A3CC1FA.2070900@redhat.com>
Date:	Sat, 20 Jun 2009 14:03:22 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Joerg Roedel <joerg.roedel@....com>
CC:	Marcelo Tosatti <marcelo@...ck.org>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8 v3] KVM support for 1GB pages

On 06/19/2009 04:16 PM, Joerg Roedel wrote:
> Hi,
>
> this is the third version of the patches for KVM to support 1GB pages. Changes
> to the last version include:
>
> 	- changed reporting of 1GB page support to userspace to use
> 	  SUPPORTED_CPUID ioctl
> 	- added support for 1GB pages to the software page walker code too
>
> This code still only can make use of 1GB pages with nested paging enabled. I
> will give the shadow paging code another debug round soon. Please comment or
> consider to apply these patches.
>
>    

Can you describe how the code fails with shadow paging?

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

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