On Wed, 15 Jul 2020 08:57:51 +0200 Gerd Hoffmann <kra...@redhat.com> wrote:
> On Mon, Jul 13, 2020 at 04:39:54PM +0200, Igor Mammedov wrote: > > On Thu, 9 Jul 2020 00:46:13 +0200 > > Julia Suvorova <jus...@redhat.com> wrote: > > > > > Implement notifications and gpe to support q35 ACPI PCI hot-plug. > > > The addresses specified in [1] remain the same to make fewer changes. > > > > > > [1] docs/spec/acpi_pci_hotplug.txt > > > > CCing Gerd his opinion on reusing piix4 IO port range for q35 [...] > While being at it: Shouldn't we reserve these port ranges somehow? > Using an acpi device for example, simliar to fw_cfg? The guest OS > should better know there is something at those ports ... we do it at ACPI level in DSDT, look for comment /* reserve PCIHP resources */ It should make Windows trip over in case of another range overlap with reserved ports. (linux kernel is more tolerant and may silently ignore or print a warning) > take care, > Gerd >
