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

["Kamala Narasimhan" <Kamala.Narasimhan@xxxxxxxxxx>]

I have attached with this email a revised patch that should address all
the issues mentioned below.  Please let me know if you have further
suggestions.

Signed-off-by: Kamala Narasimhan <kamala.narasimhan@xxxxxxxxxx>

Thanks,
Kamala

> -----Original Message-----
> From: Ian Jackson
> Sent: Tuesday, October 21, 2008 5:27 AM
> To: Kamala Narasimhan
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [xen-devel][PATCH] Battery Management qemu patch
> 
> Kamala Narasimhan writes ("[xen-devel][PATCH] Battery Management qemu
> patch"):
> > Attached is the qemu side change for battery support within HVM
guest.
> > This will be followed by a xen power management daemon patch.
> 
> You have added some functions to xenstore.c, but these functions do
> not encapsulate the xenstore interaction and structure for the power
> management setup.  But they're just plain xenstore accessors which
> seem a bit pointless really.  Instead you should move the knowledge
> about the xenstore structure, to xenstore.c, and provide a structured
> interface between the two components.
> 
> This will involve moving much of the contents of
> get_battery_data_from_xenstore and also the relevant part of
> battery_port_1_writeb.  The point is to ensure that nothing outside
> xenstore.c needs to know about the structure and semantics of xenstore
> (including the paths, the value formats, and the temporal/causal
> relationships between the keys and values).  This will make it easier
> when these changes have to go upstream.
> 
> Why have you selected CAPITAL LETTERS for your new xenstore path ?
> Very little else in xenstore uses caps and I think it would probably
> be better avoided here.
> 
> 
> The patch contains a diff to the file `i386-dm/Makefile' but that is a
> symlink to Makefile.target created by the configuration step (invoked
> in our builds as xen-xetup).  Makefile.target has the same diff.  This
> makes the patch slightly troublesome to apply.
> 
> 
> Also, if you need to add object files please add them in
> xen-hooks.mak, not directly in Makefile.target.  That way I won't have
> to deal with merge conflicts.
> 
> 
> Ian.

Attachment: battery-mgmt-git-changes-rev1.diff
Description: battery-mgmt-git-changes-rev1.diff

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