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SubjectRe: [PATCH 0/6] KVM: SVM: Wrap access to intercept masks into functions
On Tue, Nov 30, 2010 at 06:03:55PM +0100, Joerg Roedel wrote:
> Hi Avi, Hi Marcelo,
>
> this patchset wraps the access to the intercept vectors in the VMCB into
> specific functions. There are two reasons for this:
>
> 1) In the nested-svm code the effective intercept masks are
> calculated from the host and the guest intercept masks.
> Whenever KVM changes the host intercept mask while the VCPU
> is in guest-mode the effective intercept masks need to be
> re-calculated. This is nicely wrapped into these functions
> now and makes the code more robust.
>
> 2) These changes make the implementation of the upcoming
> vmcb-clean-bits feature easier and also more robust (which
> was the main reason for writing this patchset).
>
> These patches were developed on-top of the patch-set I sent yesterday. I
> tested these patches with various guests (Windows-64, Linux 32,32e and
> 64 as well as with nested-svm).
>
> Regards,
>
> Joerg
>
> Summary:
>
> arch/x86/include/asm/svm.h | 44 +++--
> arch/x86/kvm/svm.c | 391 ++++++++++++++++++++++++--------------------
> 2 files changed, 241 insertions(+), 194 deletions(-)
>
> Joerg Roedel (6):
> KVM: SVM: Add function to recalculate intercept masks
> KVM: SVM: Add manipulation functions for CRx intercepts
> KVM: SVM: Add manipulation functions for DRx intercepts
> KVM: SVM: Add manipulation functions for exception intercepts
> KVM: SVM: Add manipulation functions for misc intercepts
> KVM: SVM: Use get_host_vmcb function in svm_get_msr for TSC

Applied, thanks.



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