Re: [Xen-devel] [PATCH] hvmloader: add "wakeup from S4 on RTC alarm"bit to ACPI FADT

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

At 16:22 +0000 on 04 Feb (1296836548), Paolo Bonzini wrote:
> On 02/04/2011 05:17 PM, Tim Deegan wrote:
> > XenServer has code in the qemu acpi path to actually perform timed wake
> > from S4 by pulling the RTC state out of the hypervisor.  I thought this
> > had gone upstream to qemu-xen already; now that we're transitioning to
> > upstream qemu I'm not sure where it should go.  It will certainly need
> > tidying for upstream qemu as it's very xen-specific.
> 
> There's nothing like that indeed in qemu-xen-unstable.git.

Grrr. :(  I've attached a patch extracted from XenServer source trees,
against qemu-xen of Xen 3.4 vintage.  This is just as RFC, since I'm
sure it will need work even to apply to current qemu-xen.

Ian, what's the best thing to do with this?  Is it worth rebasing it to
qemu-xen tip or should it wait for the switch to upstream? 

Tim

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

Attachment: acpi-s4-wake-timer
Description: Text document

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