On Mon, 25 May 2020 13:45:08 +0200 Gerd Hoffmann <kra...@redhat.com> wrote:
> On Thu, May 21, 2020 at 11:29:21AM +0200, Igor Mammedov wrote: > > On Wed, 20 May 2020 15:19:55 +0200 > > Gerd Hoffmann <kra...@redhat.com> wrote: > > > > > Looks like the logiv was copied over from q35. > > > > > > q35 does this for backward compatibility, there is no reason to do this > > > on microvm though. So split @ 2G unconditionally. > > > > not related to your ACPI rework, but just an idea for future of microvm > > > > I wonder if we should carry over all this fixed RAM layout legacy from > > pc/q35 > > with a bunch of knobs to tweak it (along with complicated logic). > > Well, I think we can (should) drop max-ram-below-4g too. There is > no reason to use that with microvm, other that shooting yourself into > the foot (by making mmio overlap with ram). > > With that being gone too there isn't much logic left ... I wonder if we need 2G split for microvm at all? Can we map 1 contiguous big blob from 0 GPA and overlay bios & other x86 TOLUD stuff? > take care, > Gerd >
