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Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub
From: |
Paul Brook |
Subject: |
Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub |
Date: |
Tue, 14 Feb 2012 13:47:59 +0000 |
User-agent: |
KMail/1.13.7 (Linux/3.1.0-1-amd64; KDE/4.6.5; x86_64; ; ) |
> > > Now an OS can have a standard driver and use it
> > > to activate hotplug functionality. This is OS hotplug (OSHP).
> >
> > So presumably this will work on targets that don't have ACPI?
> > Assuming a competent guest OS of course. Have you tested this?
>
> This being the qemu side of things? I run Linux
> and verified that it calls OSHP and afterwards,
> runs the native driver and handles hotplug/unplug
> without invoking ACPI at all.
I mean using your shiny new hotplug PCI-PCI bridge on arm/ppc/mips targets
(i.e anything other than x86 PC). From your description it sounds like it
*should* work.
> It seems that at least the SHPC driver in linux
> doesn't work if you don't have an acpi table
> with the OSHP method - not many people run with acpi=off
> nowdays, so it's probably just a bug.
> I'll check how hard it is to fix this.
Targets other than x86 don't have ACPI to start with.
Paul
- Re: [Qemu-devel] [PATCHv2-RFC 1/2] shpc: standard hot plug controller, (continued)
Re: [Qemu-devel] [PATCHv2-RFC 1/2] shpc: standard hot plug controller, Gerd Hoffmann, 2012/02/17
[Qemu-devel] [PATCH RFC] seabios: add OSHP method stub, Michael S. Tsirkin, 2012/02/13
- Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub, Kevin O'Connor, 2012/02/13
- Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub, Michael S. Tsirkin, 2012/02/13
- Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub, Kevin O'Connor, 2012/02/13
- Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub, Michael S. Tsirkin, 2012/02/13
- Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub, Paul Brook, 2012/02/14
- Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub, Michael S. Tsirkin, 2012/02/14
- Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub,
Paul Brook <=
- Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub, Michael S. Tsirkin, 2012/02/14
Re: [Qemu-devel] [SeaBIOS] [PATCH RFC] seabios: add OSHP method stub, Gerd Hoffmann, 2012/02/29
Re: [Qemu-devel] [PATCHv2-RFC 0/2] RFC: standard pci bridge device, Wen Congyang, 2012/02/13