Re: [DISCUSSION] Allow ACPI default OEM ID and OEM table ID fields to be set.

[Igor Mammedov]

On Thu, 26 Nov 2020 12:05:27 -0500
"Michael S. Tsirkin" <mst@redhat.com> wrote:

> On Thu, Nov 26, 2020 at 05:34:50PM +0100, Antoine Damhet wrote:
> > On Thu, Nov 26, 2020 at 08:29:41AM -0500, Michael S. Tsirkin wrote:  
> > > On Thu, Nov 26, 2020 at 01:50:12PM +0100, Antoine Damhet wrote:  
> > > > On Thu, Nov 26, 2020 at 06:09:11AM -0500, Michael S. Tsirkin wrote:  
> > > > > On Wed, Nov 25, 2020 at 09:13:22PM +0100, Antoine Damhet wrote:  
> > > > > > On Wed, Nov 25, 2020 at 11:04:55AM -0500, Michael S. Tsirkin wrote: 
> > > > > >  
> > > > > > > On Wed, Nov 25, 2020 at 01:32:51PM +0000, Richard W.M. Jones 
> > > > > > > wrote:  
> > > > > > > > On Wed, Nov 25, 2020 at 02:27:11PM +0100, Antoine Damhet wrote: 
> > > > > > > >  
> > 
> > [...]
> >   
> > > Exactly so I ask myself whether it's worth it, their next version
> > > will check CPUID and then where are we?  
> > 
> > Then I guess they will have to admit that they are purposefully blocking
> > VM use and it's not our problem anymore.
> >   
> > > But maybe it's time we just changed all these IDs to e.g. QEMU.
> > > We are very far from bochs generated tables by now.  
> > 
> > That's a good idea, but I still think they should be user override-able
> > (unless you think it would be a heavy maintenance burden, in that case
> > you are king in your castle :D )
> >   
> > > Question is will this cause annoyances with e.g. windows guests?  
> > 
> > Windows 10 guests seems unaffected, I cannot say for the other
> > versions/servers editions.  
> 
> unaffected yes, but what about things like reactivation,
> warning about system changes at boot or reinstalling
> drivers? changing acpi significantly does this sometimes ...

that's what I'd think might happen, with some old Windows version
but I don't have any proof wrt it.

> 
> > > Igor what's your experience with this?  
> > 
> > [...]
> > 
> > -- 
> > Antoine 'xdbob' Damhet  
> 
>