linux-kernel - Re: [PATCH 0/29] Nested Paging Virtualization for KVM v4

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Message-ID: <4C8C95DB.2030809@redhat.com>
Date:	Sun, 12 Sep 2010 10:56:59 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Joerg Roedel <joerg.roedel@....com>
CC:	Marcelo Tosatti <mtosatti@...hat.com>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/29] Nested Paging Virtualization for KVM v4

  On 09/10/2010 06:30 PM, Joerg Roedel wrote:
> Hi Avi, Marcelo,
>
> as promised here is -v4 of my patch-set for virtualizing nested paging in KVM.
> I addresses all of your review comments in this version and fixed a misbehavior
> in the nested page-walker code where it would have reported the wrong
> error-code on an emulated nested page fault.
>
> Here is the complete list of changes:
>
> 	* Fixed the bug in the gpa_to_gfn function
> 	* Made sure that the right fault values are kept in the two-dimensional
> 	  page-table walker
> 	* Fixed the return code of x86_decode_insn so that a page-fault within
> 	  that function can be handled
> 	* Set vcpu->arch.mmu.direct_map to true for nonpaging mode too
> 	* Changed code so that the right access-mode is used on nested
> 	  page-table walks
> 	* Made the NX mode a capability of the MMU context to distinguish
> 	  between l1-nx and l2-nx (1 additional patch)
> 	* Fixed the bug that KVM always reports the SVM flag as supported to
> 	  userspace, it should only be reported on AMD hardware when nesting is
> 	  enabled
>
> As the patch-set before this one was tested with the same set of combinations
> too. I found no regressions to current avi/master. This patch-set applies on
> current avi/master plus the three fixes I sent last week.
>
> As with the last version of the patch-set I also pushed this one to a tree on
> korg. Find it in
>
> 	git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-kvm.git npt-virt-v4
>
> Please review these patches and/or apply them :-) As usual I appreciate your
> feedback.

All applied, thanks.  I'll go play with my new toy now.

-- 
error compiling committee.c: too many arguments to function

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