Hi,

On Wed, Nov 19, 2025 at 02:12:06PM +0000, Crystal Kolipe wrote:
> On Wed, Nov 19, 2025 at 12:48:59PM +0100, Hans-Jrg Hxer wrote:
> > Hi,
> > 
> > I'd like to revisit this diff.  Here' the context from before the last
> > release:
> > 
> >  o I want to use 32-bit (legacy) mode for direct kernel launch for both
> >    amd64 and i386; this will simplify the SEV-ES related code dealing
> >    with #VC traps during locore0
> > 
> >  o right now we actually use compatibility mode; this implies that
> >    exceptions will be raised by 64 bit rules, etc.
> > 
> >  o the problem with my initial diff was, that it broke VMX/EPT support
> >    in vmm(4) by tricking vmm(4) into assuming "restricted" guest mode;
> >    even when the CPU actually supports unrestricted guests
> > 
> >  o mlarkin removed the support for restricted guests [1]; with this my
> >    diff works now on both VMX/EPT and SVM/RVI
> > 
> > Tests are welcome :-)
> 
> I've just tested this version of the diff on one of the systems that the
> previous version broke, and it seems to be working just fine.
> 
> Context: I previously backported the change to 7.7-release (*) because at the
> time the systems that I wanted to test were not running -current.  One of
> those systems is still running 7.7-release so I had the opportunity to test
> this version of your patch on the same setup.  No problems observed so far.
> 
> (*) actually 7.7-release plus a ton of local patches, but mostly unrelated.

thanks for testing!

HJ.