From: Joerg Roedel <joerg.roedel@amd.com>
To: Avi Kivity <avi@redhat.com>
Cc: Marcelo Tosatti <marcelo@kvack.org>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/8 v3] KVM support for 1GB pages
Date: Mon, 22 Jun 2009 11:40:13 +0200 [thread overview]
Message-ID: <20090622094013.GD5139@amd.com> (raw)
In-Reply-To: <4A3CC1FA.2070900@redhat.com>
On Sat, Jun 20, 2009 at 02:03:22PM +0300, Avi Kivity wrote:
> 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?
After the rework it even fails to boot a guest with gbpages enabled. This week
is a bit tight but I will debug this further next week.
Joerg
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next prev parent reply other threads:[~2009-06-22 9:40 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-19 13:16 [PATCH 0/8 v3] KVM support for 1GB pages Joerg Roedel
2009-06-19 13:16 ` [PATCH 1/8] hugetlbfs: export vma_kernel_pagsize to modules Joerg Roedel
2009-06-19 13:16 ` [PATCH 2/8] kvm: change memslot data structures for multiple hugepage sizes Joerg Roedel
2009-06-23 16:49 ` Marcelo Tosatti
2009-06-19 13:16 ` [PATCH 3/8] kvm/mmu: rename is_largepage_backed to mapping_level Joerg Roedel
2009-06-23 15:59 ` Marcelo Tosatti
2009-06-23 17:00 ` Joerg Roedel
2009-06-19 13:16 ` [PATCH 4/8] kvm/mmu: make rmap code aware of mapping levels Joerg Roedel
2009-06-19 13:16 ` [PATCH 5/8] kvm/mmu: make direct mapping paths " Joerg Roedel
2009-06-23 16:47 ` Marcelo Tosatti
2009-06-23 17:10 ` Joerg Roedel
2009-06-19 13:16 ` [PATCH 6/8] kvm/mmu: add support for another level to page walker Joerg Roedel
2009-06-20 11:19 ` Avi Kivity
2009-06-22 9:38 ` Joerg Roedel
2009-06-19 13:16 ` [PATCH 7/8] kvm/mmu: enable gbpages by increasing nr of pagesizes Joerg Roedel
2009-06-19 13:16 ` [PATCH 8/8] kvm x86: report 1GB page support to userspace Joerg Roedel
2009-06-20 11:03 ` [PATCH 0/8 v3] KVM support for 1GB pages Avi Kivity
2009-06-22 9:40 ` Joerg Roedel [this message]
2009-06-22 9:43 ` Avi Kivity
2009-06-22 9:49 ` Joerg Roedel
2009-06-22 9:55 ` Avi Kivity
2009-06-24 8:43 ` Avi Kivity
2009-06-29 13:17 ` Joerg Roedel
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