Re: [Xen-devel] [PATCH v4 1/6] xen: improve changes to xen_add_to_physmap

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Fri, 2012-09-14 at 14:17 +0100, Ian Campbell wrote:
> (forgot to CC Mukesh on y last mail like I said it would, I've done it
> now and will bounce the last one to you Mukesh)

&%$Â% I've done it again. Actually CCing Mukesh this time!

> 
> On Fri, 2012-09-14 at 13:59 +0100, Ian Campbell wrote:
> > 
> > Might we prefer to have a batched version of this call? I don't think
> > we can shoehorn the necessary fields into xen_add_to_physmap_t though.
> 
> Actually, talking about this we Stefano we think we can. Since both idx
> and gpfn are unsigned longs they can become unions with a GUEST_HANDLE
> without changing the ABI on x86_32 or x86_64.
> 
> If we do this then we should do away with the singleton
> XENMAPSPACE_gmfn_foreign and just make it a batched interface.
> 
> Ian.
> 
> 
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