Re: [Qemu-devel] [PATCH RFC] seabios: add OSHP method stub

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> > > 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
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