Re: [PATCH RESEND v4 00/23] SMM emulation and interrupt shadow fixes

[Maxim Levitsky]

On Thu, 2022-10-27 at 18:49 +0200, Paolo Bonzini wrote:
> On 10/25/22 14:47, Maxim Levitsky wrote:
> > This patch series is a result of long debug work to find out why
> > sometimes guests with win11 secure boot
> > were failing during boot.
> > 
> > During writing a unit test I found another bug, turns out
> > that on rsm emulation, if the rsm instruction was done in real
> > or 32 bit mode, KVM would truncate the restored RIP to 32 bit.
> > 
> > I also refactored the way we write SMRAM so it is easier
> > now to understand what is going on.
> > 
> > The main bug in this series which I fixed is that we
> > allowed #SMI to happen during the STI interrupt shadow,
> > and we did nothing to both reset it on #SMI handler
> > entry and restore it on RSM.
> 
> I have now sent out the final/new version of the first 8 patches and 
> will review these tomorrow.  Thanks for your patience. :)
> 
> Paolo
> 
Thank you very much!!


Best regards,
	Maxim Levitsky