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Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resourc
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resources |
Date: |
Tue, 18 Feb 2014 17:36:44 +0100 |
On Mon, 17 Feb 2014 09:32:35 +0100
Gerd Hoffmann <address@hidden> wrote:
> On So, 2014-02-16 at 17:53 +0200, Michael S. Tsirkin wrote:
> > On Fri, Feb 07, 2014 at 01:51:27PM +0100, Igor Mammedov wrote:
> > > Since introduction of PCIHP, it became problematic to
> > > punch hole in PCI0._CRS statically since PCI hotplug
> > > region size became runtime changeable.
> >
> > What makes it runtime changeable?
>
> machine type. q35 / piix map them at different locations.
>
> Also we might want to this also for devices which are
> runtime-configurable (isa-debugcon, pvpanic, ...).
I'd convert simple devices that conditionally enabled at
startup time, from static definition + patching into
completely dynamically generated when device present.
For example pvpanic falls in to this category.
That would result in smaller ACPI tables guest has to deal with.
>
> cheers,
> Gerd
>
>
- [Qemu-devel] [RFC 7/9] acpi: consume CPU hotplug IO resource in PNP0C02 device, (continued)
- [Qemu-devel] [RFC 7/9] acpi: consume CPU hotplug IO resource in PNP0C02 device, Igor Mammedov, 2014/02/07
- [Qemu-devel] [RFC 8/9] pcihp: expose PCI hotplug MMIO base/length as properties of piix4pm, Igor Mammedov, 2014/02/07
- [Qemu-devel] [RFC 9/9] acpi: consume PCIHP IO resource in PNP0C02 device, Igor Mammedov, 2014/02/07
- Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resources, Michael S. Tsirkin, 2014/02/16
- Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resources,
Igor Mammedov <=
- Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resources, Laszlo Ersek, 2014/02/18
- Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resources, Igor Mammedov, 2014/02/19
Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resources, Igor Mammedov, 2014/02/17
Re: [Qemu-devel] [RFC 0/9] generate dynamic _CRS for motherboard resources, Gerd Hoffmann, 2014/02/17