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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> 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.

Jan


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