Re: [Xen-devel] [PATCH] x86emul: don't allow INVLPG in real mode

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Apr 22, 2016 at 08:17:35AM -0600, Jan Beulich wrote:
> As both INVLPG and INVLPGA have basically the same exception rules
> (leaving aside that INVLPGA requires SVME enabled, which so far isn't
> being taken care of, and that INVLPG requires ModRM.mod != 3), fold
> the handling of the two as much as possible alongside achieving the
> goal of the patch (at once doing the #UD checks pror to the #GP one,
> which ought to be more in line with how hardware does things).
> 
> But please note that AMD and Intel disagree on what exceptions INVLPG
> may raise, and the more reasonable Intel variant is being followed.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 

So this patch supersedes Andrew's patch to fix invlpg on AMD with shadow
paging?

Ask because I have a list of things to track and not sure if this is
something new.

Wei.

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