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RE: [xen-devel][PATCH] Battery Management

Sorry that I didn't read your patch carefully which describes
the purpose clearly. Just one question is, how confident are
you for the commonality of 'underlying firmware' you borrowed,
regarding port address, and port funcion? If moving to a
different battery sub-system, does it still appy to or you need
hard-code new set of interface into vACPI? :-)


>From:Tian, Kevin
>Sent: Tuesday, October 14, 2008 12:25 PM
>>From: Kamala Narasimhan
>>Sent: Tuesday, October 14, 2008 9:37 AM
>>Attached is the initial battery management patch.  This patch
>>covers the
>>virtual firmware and tool stack changes and will be followed by a qemu
>>patch and a xen power management daemon patch.
>>Signed-off-by: Kamala Narasimhan <kamala.narasimhan@xxxxxxxxxx>
>I'm not sure whether I fully understand "pass-through" mode and
>"non pass-through" mode. I guess "pass-through" mode means
>exposing real battery to HVM, while "non pass-through" mode
>contructs a virtual battery (as in your current patch) and then let
>another xen specific daemon to convert virtual battery ops into
>real ones. If I understand correctly, your current implementation
>only targets for "non pass-through" mode. Then do you plan to
>support the other, which is more difficult as you may need merge
>part of real ACPI table with virtual ones...
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