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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Markus Armbruster <armbru@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	David Hildenbrand <david@redhat.com>,
	qemu-devel@nongnu.org, Laurent Vivier <laurent@vivier.eu>
Subject: Re: [PATCH v5 3/8] qapi: Restrict balloon-related commands to machine code
Date: Mon, 14 Sep 2020 11:42:12 +0200	[thread overview]
Message-ID: <b9401e89-2598-74f7-5e92-885c522b7599@redhat.com> (raw)
In-Reply-To: <87wo0wsopv.fsf@dusky.pond.sub.org>

+Laurent and David

On 9/14/20 11:16 AM, Markus Armbruster wrote:
> Philippe Mathieu-Daudé <philmd@redhat.com> writes:
> 
>> Only qemu-system-FOO and qemu-storage-daemon provide QMP
>> monitors, therefore such declarations and definitions are
>> irrelevant for user-mode emulation.
>>
>> Restricting the balloon-related commands to machine.json
>> allows pulling less declarations/definitions to user-mode.
> 
> How this affects user mode is not obvious to (ignorant) me.  Can you
> provide a clue?

I guess this was discussed with David at some point.

Maybe the QMP commands are not exposed via HMP, making this
code unreachable?

Anyhow user-mode binaries don't use the memory ballooning feature,
this is specific to system-mode emulation.

Laurent/David, do you have some more trivial explanation?

Thanks,

Phil.



  reply	other threads:[~2020-09-14  9:42 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-13 19:53 [PATCH v5 0/8] user-mode: Prune build dependencies (part 2) Philippe Mathieu-Daudé
2020-09-13 19:53 ` [PATCH v5 1/8] qapi: Restrict LostTickPolicy enum to machine code Philippe Mathieu-Daudé
2020-09-14  9:14   ` Markus Armbruster
2020-09-14  9:37     ` Philippe Mathieu-Daudé
2020-09-15  6:27       ` Markus Armbruster
2020-09-13 19:53 ` [PATCH v5 2/8] qapi: Correct balloon documentation Philippe Mathieu-Daudé
2020-09-13 19:53 ` [PATCH v5 3/8] qapi: Restrict balloon-related commands to machine code Philippe Mathieu-Daudé
2020-09-14  9:16   ` Markus Armbruster
2020-09-14  9:42     ` Philippe Mathieu-Daudé [this message]
2020-09-14  9:48       ` David Hildenbrand
2020-09-14 11:21         ` Markus Armbruster
2020-09-14 12:15           ` Philippe Mathieu-Daudé
2020-09-15  6:24             ` Markus Armbruster
2020-09-13 19:53 ` [PATCH v5 4/8] qapi: Restrict query-vm-generation-id command " Philippe Mathieu-Daudé
2020-09-13 19:53 ` [PATCH v5 5/8] qapi: Restrict query-uuid " Philippe Mathieu-Daudé
2020-09-13 19:53 ` [PATCH v5 6/8] qapi: Restrict device memory commands " Philippe Mathieu-Daudé
2020-09-13 19:53 ` [PATCH v5 7/8] qapi: Extract ACPI commands to 'acpi.json' Philippe Mathieu-Daudé
2020-09-13 19:53 ` [PATCH v5 8/8] qapi: Extract PCI commands to 'pci.json' Philippe Mathieu-Daudé
2020-09-15  6:29 ` [PATCH v5 0/8] user-mode: Prune build dependencies (part 2) Markus Armbruster
2020-09-15  7:09   ` Philippe Mathieu-Daudé
2020-09-15  8:52 ` Markus Armbruster

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