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Re: [PATCH 04/13] microvm: add minimal acpi support.


From: Igor Mammedov
Subject: Re: [PATCH 04/13] microvm: add minimal acpi support.
Date: Wed, 25 Mar 2020 19:59:50 +0100

On Wed, 25 Mar 2020 10:04:29 +0100
Gerd Hoffmann <address@hidden> wrote:

>   Hi,
> 
> > > +    {
> > > +        AcpiRsdpData rsdp_data = {
> > > +            .revision = 0,
> > > +            .oem_id = ACPI_BUILD_APPNAME6,
> > > +            .xsdt_tbl_offset = NULL,
> > > +            .rsdt_tbl_offset = &rsdt,  
> > are we interested in 32-bit guests?  
> 
> Well, sort-of.  seabios runs in 32bit mode.
seabios isn't consumer of it though, so as far as being loaded kernel
is able to deal with xsdt it should be fine.

> > if not than maybe use xsdt and newer revision like arm/virt does  
> 
> Point being?  It's not like we can place the tables above 4G then.
point is to use current standard vs legacy one on new machine
> 
> cheers,
>   Gerd
> 




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