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Re: [PATCH v10 1/9] error: auto propagated local_err


From: Greg Kurz
Subject: Re: [PATCH v10 1/9] error: auto propagated local_err
Date: Wed, 24 Jun 2020 21:48:18 +0200

On Wed, 24 Jun 2020 18:53:05 +0200
Markus Armbruster <armbru@redhat.com> wrote:

> Greg Kurz <groug@kaod.org> writes:
> 
> > On Mon, 15 Jun 2020 07:21:03 +0200
> > Markus Armbruster <armbru@redhat.com> wrote:
> >
> >> Greg Kurz <groug@kaod.org> writes:
> >> 
> >> > On Tue, 17 Mar 2020 18:16:17 +0300
> >> > Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> wrote:
> >> >
> >> >> Introduce a new ERRP_AUTO_PROPAGATE macro, to be used at start of
> >> >> functions with an errp OUT parameter.
> >> >> 
> >> >> It has three goals:
> >> >> 
> >> >> 1. Fix issue with error_fatal and error_prepend/error_append_hint: user
> >> >> can't see this additional information, because exit() happens in
> >> >> error_setg earlier than information is added. [Reported by Greg Kurz]
> >> >> 
> >> >
> >> > I have more of these coming and I'd really like to use 
> >> > ERRP_AUTO_PROPAGATE.
> >> >
> >> > It seems we have a consensus on the macro itself but this series is gated
> >> > by the conversion of the existing code base.
> >> >
> >> > What about merging this patch separately so that people can start using
> >> > it at least ?
> >> 
> >> Please give me a few more days to finish the work I feel should go in
> >> before the conversion.  With any luck, Vladimir can then rebase /
> >> recreate the conversion easily, and you can finally use the macro for
> >> your own work.
> >> 
> >
> > Sure. Thanks.
> 
> Just posted "[PATCH 00/46] Less clumsy error checking".  The sheer size
> of the thing and the length of its dependency chain explains why it took
> me so long.  I feel bad about delaying you all the same.  Apologies!
> 

No problem. This series of yours is impressive. Putting an end to the
highjacking of the Error ** argument is really a beneficial move.

> I hope we can converge quickly enough to get Vladimir's work on top
> ready in time for the soft freeze.
> 

I'll find some cycles for reviewing.

Cheers,

--
Greg



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