linux-kernel - Re: [PATCH] KVM: nVMX: do not pin the VMCS12

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Message-ID: <625e249a-c60b-29e2-c6ed-f26f82f1d2dc@redhat.com>
Date:   Thu, 27 Jul 2017 19:54:04 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Paolo Bonzini <pbonzini@...hat.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     dmatlack@...gle.com
Subject: Re: [PATCH] KVM: nVMX: do not pin the VMCS12

On 27.07.2017 15:54, Paolo Bonzini wrote:
> Since the current implementation of VMCS12 does a memcpy in and out
> of guest memory, we do not need current_vmcs12 and current_vmcs12_page
> anymore.  current_vmptr is enough to read and write the VMCS12.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>

This looks like the right thing to do!

(and as mentioned, also properly marks the page as dirty)

Reviewed-by: David Hildenbrand <david@...hat.com>

-- 

Thanks,

David