Re: [Xen-devel] [PATCH 3/5] xen: virq, remove VIRQ_XC_RESERVED

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Mon, 2012-08-06 at 15:46 +0100, Jean Guyader wrote:
> On 6 August 2012 09:10, Jan Beulich <JBeulich@xxxxxxxx> wrote:
> >>>> On 03.08.12 at 21:50, Jean Guyader <jean.guyader@xxxxxxxxxx> wrote:
> >> VIRQ_XC_RESERVED was reserved for V4V but we have switched
> >> to event channels so this place holder is no longer required.
> >
> > I'm fine with this change, but is a future re-use of the value indeed
> > not going to cause problems on XenServer (or wherever else this
> > is patch set coming from)?
> >
> 
> That may need to be confirmed but I don't think XenServer is using v4v
> yet

I think Jan probably meant XenClient (i.e. that being the place where
v4v is already deployed).

There's no harm in keeping this # reserved indefinitely, with a suitable
comment, I think? The only reason not to would be if this address space
was limited, but I don't think that is the case with VIRQs



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