Re: [Xen-devel] [PATCH] switch hypercall restart indication from -EAGAIN to -ERESTART

[Tim Deegan <tim@xxxxxxx>]

At 13:07 +0100 on 15 May (1400155676), Jan Beulich wrote:
> >>> On 15.05.14 at 14:01, <tim@xxxxxxx> wrote:
> > At 12:56 +0100 on 15 May (1400154975), Jan Beulich wrote:
> >> >>> On 15.05.14 at 13:24, <tim@xxxxxxx> wrote:
> >> > Are there cases where we want to return EINTR to the guest, or could
> >> > we maybe use it everywhere and drop ERESTART?
> >> 
> >> No, we need two distinct error codes on these paths. For now we
> >> never need to return -EINTR to the guest (and for now I also can't
> >> see when/why we would), but we'd have to convert these too
> >> should the need arise.
> > 
> > I didn't really understand that.  Do you mean that there's a reason to
> > have both EINTR and ERESTART even though we don't return EINTR to
> > guests, or that you want to keep them separate in case we ever do
> > want to return EINTR?
> 
> The former.

OK, thanks.

Tim.

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