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Re: [RFC PATCH 3/5] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to
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From: |
Gerd Hoffmann |
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Subject: |
Re: [RFC PATCH 3/5] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to q35 |
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Date: |
Wed, 15 Jul 2020 16:02:51 +0200 |
> > 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 */
Ah, good.
> 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)
Hmm, linux doesn't list the device, can't see it neither in the kernel
log nor in /proc/ioports ...
take care,
Gerd
- [RFC PATCH 1/5] hw/acpi/pcihp: Introduce find_host(), (continued)
[RFC PATCH 4/5] hw/i386/acpi-build: Turn off support of PCIe native hot-plug and SHPC in _OSC, Julia Suvorova, 2020/07/08
[RFC PATCH 5/5] hw/acpi/ich9: Enable ACPI PCI hot-plug, Julia Suvorova, 2020/07/08
Re: [RFC PATCH 0/5] Use ACPI PCI hot-plug for q35, no-reply, 2020/07/08
Re: [RFC PATCH 0/5] Use ACPI PCI hot-plug for q35, no-reply, 2020/07/08