[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 3/3] fix qmp/hmp query-memdev not repporting IDs
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH 3/3] fix qmp/hmp query-memdev not repporting IDs of memory backends |
Date: |
Tue, 10 Jan 2017 10:07:18 +0100 |
On Mon, 9 Jan 2017 14:26:28 -0600
Eric Blake <address@hidden> wrote:
> On 01/09/2017 08:17 AM, Igor Mammedov wrote:
>
> >> Wait. Isn't this going to inject an 'id' dict member to every use of
> >> user_creatable_add_type()? But not all QAPI structs contain an id
> >> member. Which means that you are now explicitly relying on the visitor
> >> to silently ignore garbage in the dictionary, rather than our desired
> >> goal of only validating if the dictionary exactly matches what the QAPI
> >> says it will match.
> >>
> >> I'm not sure if I like this hack, or if there is a better way to do
> >> things when using a strict (rather than relaxed) input visitor.
> > a bit less ugly variant but with the same basic idea would look like:
> > --------------
> > Subject: [PATCH] fix qmp/hmp query-memdev not reporting IDs of memory
> > backends
> >
> >
> > Considering 'id' is mandatory for user_creatable objects/backends
> >
> > and user_creatable_add_type() always has it as an argument
> >
> > regardless of where from it is called CLI/monitor or QMP,
> >
> > Fix issue by adding 'id' property to hostmem backends and
> >
> > set it in user_creatable_add_type() for every object that
> >
> > implements 'id' property. Then later at query-memdev time
> >
> > get 'id' from object directly.
>
> Yes, that seems like an improved message.
>
> >
> >
> > Signed-off-by: Igor Mammedov <address@hidden>
> >
> > [...]
> >
> > diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
> > index 9b4155a..03a95c3 100644
> > --- a/qom/object_interfaces.c
> > +++ b/qom/object_interfaces.c
> > @@ -62,6 +62,12 @@ Object *user_creatable_add_type(const char *type, const
> > char *id,
> >
> > assert(qdict);
> > obj = object_new(type);
> > + if (object_property_find(obj, "id", NULL)) {
> > + object_property_set_str(obj, id, "id", &local_err);
> > + if (local_err) {
> > + goto out;
> > + }
> > + }
>
> Works for me.
>
Thanks,
Then, I'll respin v2 with noted fixups in commit messages
this amended patch.
- Re: [Qemu-devel] [PATCH 1/3] cleanup: remove not used header, (continued)
[Qemu-devel] [PATCH 2/3] reuse user_creatable_add_opts() instead of user_creatable_add() in monitor, Igor Mammedov, 2017/01/02
[Qemu-devel] [PATCH 3/3] fix qmp/hmp query-memdev not repporting IDs of memory backends, Igor Mammedov, 2017/01/02