Re: [Xen-devel] [PATCH] cxenstored: correct calculation of data/space in the ring

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Wei Liu writes ("[PATCH] cxenstored: correct calculation of data/space in the 
ring"):
> The cxenstored implementation can't handle cross ring boundary read and
> write. It gets aways with buggy behaviour because upper layer won't
> sleep when short-write or short-read occurs.

I don't understand why you think this is a bug.

> It would be nice, however, to make the low level routine correct
> regardless of what upper layer is doing. This should at least avoid
> latent bug should upper layer logic changes.

I don't think this is as hard a layer boundary as you suggest.

Ian.

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