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Re: [Qemu-devel] [RFC 41/47] pc: acpi-build: create PCI0._CRS dynamicall


From: Marcel Apfelbaum
Subject: Re: [Qemu-devel] [RFC 41/47] pc: acpi-build: create PCI0._CRS dynamically
Date: Tue, 20 Jan 2015 11:37:01 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0

On 01/19/2015 11:55 PM, Michael S. Tsirkin wrote:
On Mon, Jan 19, 2015 at 01:42:25PM +0100, Paolo Bonzini wrote:


On 19/12/2014 03:02, Igor Mammedov wrote:
Replace template patching and runtime
calculation in _CRS() method with static _CRS
defined in SSDT.

It also drops manual hole patching for reserved
PCI/MEM/CPU hoptlug MMIO resources and utilizes
the fact that MMIO resources are reserved by
respective child /i.e. PHPR, MHPD, PRES/ containers.

Signed-off-by: Igor Mammedov <address@hidden>

This is a good idea.  It's simpler to just do this in the SSDT than to
split it between DSDT and SSDT.  The AML's purpose is just to build a
static value anyway.

Paolo

I think Marcel has patches going in exactly the reverse
direction with this.
Marcel?

Actually I added the CRS for the extra root buses in SSDT.
The reason is that it depends on user input.

By the way, I have the code for creating the CRS in code rather that in
the file based on Igor's series.

Thanks,
Marcel






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