Re: [PATCH] KVM: nVMX: expose VPID capability to L1

From: Paolo Bonzini
Date: Mon Sep 28 2015 - 08:05:32 EST




On 24/09/2015 08:51, Wanpeng Li wrote:
> /*
> * For nested guests, we don't do anything specific
> * for single context invalidation. Hence, only advertise
> * support for global context invalidation.
> */
> - vmx->nested.nested_vmx_ept_caps |= VMX_EPT_EXTENT_GLOBAL_BIT;
> + vmx->nested.nested_vmx_ept_vpid_caps |= VMX_EPT_EXTENT_GLOBAL_BIT;
> + vmx->nested.nested_vmx_ept_vpid_caps |= (unsigned long)vmx_capability.vpid << 32;

Hi Wanpeng, the comment above is about invept, but the same applies
applies to invvpid. We can set only VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT.

Paolo
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