From: Marcelo Tosatti <mtosatti@redhat.com>
To: Joerg Roedel <joerg.roedel@amd.com>
Cc: Avi Kivity <avi@redhat.com>,
kvm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/7] Support for GB pages in KVM
Date: Sat, 28 Mar 2009 18:40:08 -0300 [thread overview]
Message-ID: <20090328214008.GB4694@amt.cnet> (raw)
In-Reply-To: <1238164319-16092-1-git-send-email-joerg.roedel@amd.com>
On Fri, Mar 27, 2009 at 03:31:52PM +0100, Joerg Roedel wrote:
> Hi,
>
> this patchset extends the KVM MMU implementation to support 1GB pages as
> supported by AMD family 16 processors. These patches enable support for
> 1 GB pages with Nested Paging. Support for these pages in the shadow
> paging code was also developed but does not run stable yet. The patch
> for shadow-paging support is not included in this series and will be
> sent out seperatly.
Looks generally sane. I'm not sure its even worthwhile to support
GBpages with softmmu, because the chance of finding an area without
shadowed (write protected) pages is much smaller than with 2MB pages.
Have any numbers to share?
next prev parent reply other threads:[~2009-03-28 21:40 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-27 14:31 Joerg Roedel
2009-03-27 14:31 ` [PATCH 1/7] hugetlb: export vma_kernel_pagesize to modules Joerg Roedel
2009-03-27 14:31 ` [PATCH 2/7] kvm mmu: infrastructure changes for multiple huge page support Joerg Roedel
2009-03-29 11:38 ` Avi Kivity
2009-03-27 14:31 ` [PATCH 3/7] kvm mmu: add page size parameter to rmap_remove Joerg Roedel
2009-03-27 14:31 ` [PATCH 4/7] kvm mmu: implement necessary data structures for second huge page accounting Joerg Roedel
2009-03-29 11:45 ` Avi Kivity
2009-03-29 13:03 ` Joerg Roedel
2009-03-29 13:15 ` Avi Kivity
2009-03-29 13:32 ` Joerg Roedel
2009-03-29 13:26 ` Avi Kivity
2009-03-29 13:37 ` Avi Kivity
2009-03-27 14:31 ` [PATCH 5/7] kvm mmu: add support for 1GB pages to direct mapping paths Joerg Roedel
2009-03-29 11:49 ` Avi Kivity
2009-03-27 14:31 ` [PATCH 6/7] kvm mmu: enabling 1GB pages by extending backing_size funtion Joerg Roedel
2009-03-29 11:51 ` Avi Kivity
2009-03-27 14:31 ` [PATCH 7/7] kvm x86: report 1GB page support to userspace Joerg Roedel
2009-03-29 11:54 ` Avi Kivity
2009-03-29 12:45 ` Joerg Roedel
2009-03-29 12:49 ` Avi Kivity
2009-03-29 12:54 ` Joerg Roedel
2009-03-29 13:00 ` Avi Kivity
2009-03-28 21:40 ` Marcelo Tosatti [this message]
2009-03-28 21:49 ` [PATCH 0/7] Support for GB pages in KVM Joerg Roedel
2009-03-29 12:03 ` Avi Kivity
2009-03-29 12:47 ` Joerg Roedel
2009-03-29 12:01 ` Avi Kivity
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