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From: Roman Bolshakov <r.bolshakov@yadro.com>
To: Peter Krempa <pkrempa@redhat.com>
Cc: "Kevin Wolf" <kwolf@redhat.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>,
	libvir-list@redhat.com,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	qemu-devel@nongnu.org,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	"Claudio Fontana" <cfontana@suse.de>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Markus Armbruster" <armbru@redhat.com>
Subject: Re: [PATCH for-6.0] accel: Wire accel to /machine
Date: Tue, 8 Dec 2020 11:13:07 +0300	[thread overview]
Message-ID: <X881k+IdAzs5O1yQ@SPB-NB-133.local> (raw)
In-Reply-To: <20201207175007.GO105758@angien.pipo.sk>

On Mon, Dec 07, 2020 at 06:50:07PM +0100, Peter Krempa wrote:
> On Mon, Dec 07, 2020 at 12:38:49 -0500, Eduardo Habkost wrote:
> > On Mon, Dec 07, 2020 at 11:46:22AM +0300, Roman Bolshakov wrote:
> > > There's no generic way to query current accel and its properties via QOM
> > > because there's no link between an accel and current machine.
> > > 
> > > The change adds the link, i.e. if HVF is enabled the following will be
> > > available in QOM:
> > > 
> > >   (qemu) qom-get /machine/accel type
> > >   "hvf-accel"
> > > 
> > > Suggested-by: Markus Armbruster <armbru@redhat.com>
> > > Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
> > > Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com>
> > > ---
> > > 
> > > Hi,
> > > 
> > > this is a follow up patch that deprecates earlier series [1].
> > > 
> > 
> > Is there a reference to the reasoning for dropping the earlier
> > approach?  Your previous approach seems preferable.
> 
> The gist of the discussion before was that deprecating old commands in
> the same release cycle as introducing the replacement might be
> problematic if libvirt wants to adapt ASAP and that the new command
> should be elevated to a intermediate tier of stability, where ACK from
> libvirt is needed to change it during the same release cycle
> incompatibly.
> 
> That was meant generally for any command, and was started because we had
> a similar issue recently.
> 
> My intention definitely was not to change the patch itself, but more a
> process change so that we can keep cooperating on new stuff rapidly, but
> without actually breaking what we do.
> 

Thanks Peter,

I'll drop deprecation patch in v2 of query-accel QMP command.

Ragards,
Roman


  reply	other threads:[~2020-12-08  8:15 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-07  8:46 [PATCH for-6.0] accel: Wire accel to /machine Roman Bolshakov
2020-12-07 17:38 ` Eduardo Habkost
2020-12-07 17:50   ` Peter Krempa
2020-12-08  8:13     ` Roman Bolshakov [this message]
2020-12-08  8:19       ` Peter Krempa
2020-12-08  8:11   ` Roman Bolshakov
2020-12-07 17:44 ` Daniel P. Berrangé
2020-12-08  7:40   ` Roman Bolshakov

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