[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH 16/19] libxl: suspend: Abolish usleeps in domain suspend wait
On Fri, 2014-03-14 at 17:28 +0000, Ian Jackson wrote: > Ian Campbell writes ("Re: [PATCH 16/19] libxl: suspend: Abolish usleeps in > domain suspend wait"): > > On Thu, 2014-03-13 at 18:29 +0000, Ian Jackson wrote: > > > I guess we could special-case paths starting with "@", the way > > > xenstore does, and always return ENOENT. > > > > I wonder what xs_read on @releaseDomain actually does -- I'd not be > > surprised if it was ENOENT. I wonder even more what xs_write on > > @releaseDomain would do, hopefully "bugger off" but you never know. > > Reading xenstored_core.c suggests both read and write give EINVAL. So > making xswait work for it would indeed involve special-casing @ in > libxl. Right. > > > I'm not sure whether this > > > wrinkle (which would end up in the docs for the general facility) is > > > worth the saving in the one call site where it would be relevant. > > > > I'm not sure either, I'll leave it to your best judgement. If you want > > to stick with this variant then: > > Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx> > > I think it's probably best but I don't know if that's just inertia... Well, it's not like we'd be stuck with it if we change our minds later. Ian. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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