Re: [Xen-devel] [PATCH 4/4 v3] xenconsole: Define and use a macro XEN_INVALID_PFN instead of -1

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, Oct 31, 2017 at 12:25:08PM +0530, Bhupinder Thakur wrote:
> xenconsole will use a new macro XEN_INVALID_PFN instead of -1 for 
> initializing ring-ref.
> Since the type of ring_ref is changed to xen_pfn_t (which is an unsigned 
> value) assigning -1
> appeared to be confusing. For clarity, XEN_INVALID_PFN is introduced.
> 
> Signed-off-by: Bhupinder Thakur <bhupinder.thakur@xxxxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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