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From: Paolo Bonzini <pbonzini@redhat.com>
To: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: sean.j.christopherson@intel.com, linux-kernel@vger.kernel.org,
	kvm@vger.kernel.org
Subject: Re: [PATCH] KVM: nVMX: remove side effects from nested_vmx_exit_reflected
Date: Wed, 18 Mar 2020 11:59:13 +0100	[thread overview]
Message-ID: <803177a8-c5ef-ac5e-087b-52b09398d78c@redhat.com> (raw)
In-Reply-To: <87tv2m2av4.fsf@vitty.brq.redhat.com>

On 18/03/20 11:52, Vitaly Kuznetsov wrote:
> The only functional difference seems to be that we're now doing
> nested_mark_vmcs12_pages_dirty() in vmx->fail case too and this seems
> superfluous: we failed to enter L2 so 'special' pages should remain
> intact (right?) but this should be an uncommon case.
> 
> Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>

I'm not entirely sure if the PID could be written before the processor
decrees a vmfail.  It doesn't really hurt anyway as you say though.
Thanks for the review!

Paolo


  reply	other threads:[~2020-03-18 10:59 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-17 18:00 [PATCH] KVM: nVMX: remove side effects from nested_vmx_exit_reflected Paolo Bonzini
2020-03-18 10:52 ` Vitaly Kuznetsov
2020-03-18 10:59   ` Paolo Bonzini [this message]
2020-03-18 15:12     ` Sean Christopherson
2020-03-19 20:11 ` Krish Sadhukhan

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