From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: mszeredi@redhat.com, lukasstraub2@web.de, quintela@redhat.com,
pannengyuan@huawei.com, f4bug@amsat.org, qemu-devel@nongnu.org,
stefanha@redhat.com
Subject: Re: [PULL 04/12] hmp: Simplify qom-set
Date: Tue, 2 Jun 2020 10:26:01 +0100 [thread overview]
Message-ID: <20200602092601.GD2758@work-vm> (raw)
In-Reply-To: <87pnai7ymz.fsf@dusky.pond.sub.org>
* Markus Armbruster (armbru@redhat.com) wrote:
> "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com> writes:
>
> > From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> >
> > Simplify qom_set by making it use qmp_qom_set and the JSON parser.
> >
> > (qemu) qom-get /machine smm
> > "auto"
> > (qemu) qom-set /machine smm "auto"
> >
> > Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> > Message-Id: <20200520151108.160598-3-dgilbert@redhat.com>
> > Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> > Reviewed-by: Markus Armbruster <armbru@redhat.com>
> > Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> > With 's'->'S' type change suggested by Paolo and Markus
>
> This is actually more than just simplification, it's disarming a bear
> trap: the string visitor is restricted to a subset of the QAPI types,
> and when you qom-set a property with a type it can't handle, QEMU
> aborts. I mentioned this in the discussion of possible ways out of the
> qom-get impasse, but missed reraising it in patch review.
>
> A suitably amended commit would be nice, but respinning the PR just for
> that may not be worthwhile.
A bit late; still as long as we're removing bear traps not adding them.
Dave
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2020-06-02 9:27 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-01 18:39 [PULL 00/12] migration/virtiofs/hmp queue Dr. David Alan Gilbert (git)
2020-06-01 18:39 ` [PULL 01/12] migration/rdma: fix potential nullptr access in rdma_start_incoming_migration Dr. David Alan Gilbert (git)
2020-06-01 18:39 ` [PULL 02/12] migration/rdma: cleanup rdma context before g_free to avoid memleaks Dr. David Alan Gilbert (git)
2020-06-01 18:39 ` [PULL 03/12] hmp: Implement qom-get HMP command Dr. David Alan Gilbert (git)
2020-06-01 18:39 ` [PULL 04/12] hmp: Simplify qom-set Dr. David Alan Gilbert (git)
2020-06-02 6:47 ` Markus Armbruster
2020-06-02 9:26 ` Dr. David Alan Gilbert [this message]
2020-06-03 10:25 ` David Hildenbrand
2020-06-03 10:43 ` Dr. David Alan Gilbert
2020-06-03 11:31 ` David Hildenbrand
2020-06-03 11:33 ` David Hildenbrand
2020-06-03 11:43 ` Dr. David Alan Gilbert
2020-06-03 12:18 ` David Hildenbrand
2020-06-03 12:24 ` Dr. David Alan Gilbert
2020-06-03 12:26 ` David Hildenbrand
2020-06-03 12:43 ` David Hildenbrand
2020-06-03 13:33 ` Dr. David Alan Gilbert
2020-06-01 18:39 ` [PULL 05/12] virtiofsd: remove symlink fallbacks Dr. David Alan Gilbert (git)
2020-06-01 18:39 ` [PULL 06/12] migration/vmstate: Remove unnecessary MemoryRegion forward declaration Dr. David Alan Gilbert (git)
2020-06-01 18:39 ` [PULL 07/12] migration/colo.c: Use event instead of semaphore Dr. David Alan Gilbert (git)
2020-06-01 18:40 ` [PULL 08/12] migration/colo.c: Use cpu_synchronize_all_states() Dr. David Alan Gilbert (git)
2020-06-01 18:40 ` [PULL 09/12] migration/colo.c: Flush ram cache only after receiving device state Dr. David Alan Gilbert (git)
2020-06-01 18:40 ` [PULL 10/12] migration/colo.c: Relaunch failover even if there was an error Dr. David Alan Gilbert (git)
2020-06-01 18:40 ` [PULL 11/12] migration/colo.c: Move colo_notify_compares_event to the right place Dr. David Alan Gilbert (git)
2020-06-01 18:40 ` [PULL 12/12] migration/migration.c: Fix hang in ram_save_host_page Dr. David Alan Gilbert (git)
2020-06-02 9:22 ` [PULL 00/12] migration/virtiofs/hmp queue Peter Maydell
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