> -Original Message-
> From: Andrew Cooper [mailto:andrew.coop...@citrix.com]
> Sent: 05 November 2015 12:32
> To: Paul Durrant; xen-de...@lists.xenproject.org
> Cc: Keir (Xen.org); Jan Beulich
> Subject: Re: [PATCH] x86/hvm: make sure stdvga cache cannot be re-
> enabled
>
> On 05/11/15 1
On 05/11/15 12:17, Paul Durrant wrote:
> As soon as the cache is disabled, it will become out-of-sync with the
> VGA device model and since no mechanism exists to acquire current VRAM
> state from the device model, re-enabling it leads to stale data
> being seen by the guest.
>
> The problem can be
As soon as the cache is disabled, it will become out-of-sync with the
VGA device model and since no mechanism exists to acquire current VRAM
state from the device model, re-enabling it leads to stale data
being seen by the guest.
The problem can be seen by deliberately crashing a Windows guest; th
