Re: [PATCH v2 3/3] KVM: VMX: make MSR bitmaps per-VCPU

[David Woodhouse]

On Tue, 2018-01-30 at 17:23 +0100, Radim KrÄmÃÅ wrote:
> 
> The physical address of the nested msr_bitmap is never loaded into vmcs.
> 
> The resolution you provided had extra hunk in prepare_vmcs02_full():
> 
> +ÂÂÂÂÂÂÂvmcs_write64(MSR_BITMAP, __pa(vmx->nested.vmcs02.msr_bitmap));
> 
> I have queued that as:
> 
> +ÂÂÂÂÂÂÂif (cpu_has_vmx_msr_bitmap())
> +ÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂvmcs_write64(MSR_BITMAP, __pa(vmx->nested.vmcs02.msr_bitmap));
> 
> but it should be a part of the patch or a followup fix.
> 
> Is the branch already merged into PTI?

No, we've never seen a 4.14-based branch that could be merged. I made
one myself for the moment but assumed there would be one from Paulo
that was then pulled into both tip/x86/pti and the kvm.git tree.

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