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Re: [Qemu-devel] vga-pci and MMIO BAR
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-devel] vga-pci and MMIO BAR |
Date: |
Wed, 25 Jul 2012 23:41:52 +1000 |
On Wed, 2012-07-25 at 15:48 +0300, Avi Kivity wrote:
> >> If not, we can add a second BAR, but it should disappear when running an
> >> older machine type.
> >
> > Well, the IO ports in legacy space are still there. We can also make the
> > "register BAR" exist in both mode or we can add a second BAR and have
> > x86 "prefer" IO... whatever rocks your boat as long as it's a BAR, it's
> > the legacy hole that's annoying for me :-)
>
> A guest created with -M old must look exactly the same as it did in an
> older version of qemu, no extra BARs.
Why ? Who cares ? Especially with vga -std which nobody uses in practice
on x86...
Cheers,
Ben.
- [Qemu-devel] vga-pci and MMIO BAR, Benjamin Herrenschmidt, 2012/07/24
- Re: [Qemu-devel] vga-pci and MMIO BAR, Avi Kivity, 2012/07/25
- Re: [Qemu-devel] vga-pci and MMIO BAR, Benjamin Herrenschmidt, 2012/07/25
- Re: [Qemu-devel] vga-pci and MMIO BAR, Avi Kivity, 2012/07/25
- Re: [Qemu-devel] vga-pci and MMIO BAR,
Benjamin Herrenschmidt <=
- Re: [Qemu-devel] vga-pci and MMIO BAR, Avi Kivity, 2012/07/25
- Re: [Qemu-devel] vga-pci and MMIO BAR, Benjamin Herrenschmidt, 2012/07/25
- Re: [Qemu-devel] vga-pci and MMIO BAR, Benjamin Herrenschmidt, 2012/07/25
- Re: [Qemu-devel] vga-pci and MMIO BAR, Anthony Liguori, 2012/07/25
- Re: [Qemu-devel] vga-pci and MMIO BAR, Benjamin Herrenschmidt, 2012/07/25