From: Paolo Bonzini <pbonzini@redhat.com>
To: Igor Mammedov <imammedo@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [PATCH 14/15] null-machine: do not create a default memdev
Date: Sat, 12 Dec 2020 00:24:25 +0100 [thread overview]
Message-ID: <4e36d013-d379-05e3-7803-eb4df9fbb0d3@redhat.com> (raw)
In-Reply-To: <20201207174359.03b099ce@redhat.com>
On 07/12/20 17:43, Igor Mammedov wrote:
>> mc->default_ram_size = 0;
>> - mc->default_ram_id = "ram";
>> + mc->default_ram_id = NULL;
> probably that will break:
>
> QEMU -m X -M none
No, it works. "-m" is simply ignored, because the default memdev is
created here:
if (machine_class->default_ram_id && current_machine->ram_size &&
numa_uses_legacy_mem() && !current_machine->ram_memdev_id) {
create_default_memdev(current_machine, mem_path);
}
and is thus skipped for -M none.
Paolo
>
> maybe there is a bug over there but
> "mc->default_ram_size = 0"
> above, should result in
> current_machine->ram_size == 0
> in case user hasn't provided "-m"
> and hence memdev shouldn't be created
>
next prev parent reply other threads:[~2020-12-11 23:26 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-02 8:18 [PATCH 00/15] Finish cleaning up qemu_init Paolo Bonzini
2020-12-02 8:18 ` [PATCH 01/15] remove preconfig state Paolo Bonzini
2020-12-07 13:57 ` Igor Mammedov
2020-12-07 14:11 ` Paolo Bonzini
2020-12-07 15:14 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 02/15] vl: remove separate preconfig main_loop Paolo Bonzini
2020-12-07 14:02 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 03/15] vl: allow -incoming defer with -preconfig Paolo Bonzini
2020-12-02 8:18 ` [PATCH 04/15] vl: extract softmmu/runstate.c Paolo Bonzini
2020-12-02 8:18 ` [PATCH 05/15] vl: extract softmmu/globals.c Paolo Bonzini
2020-12-02 8:18 ` [PATCH 06/15] vl: move all generic initialization out of vl.c Paolo Bonzini
2020-12-07 14:19 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 07/15] chardev: do not use machine_init_done Paolo Bonzini
2020-12-07 15:15 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 08/15] machine: introduce MachineInitPhase Paolo Bonzini
2020-12-07 15:28 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 09/15] machine: record whether nvdimm= was set Paolo Bonzini
2020-12-07 15:40 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 10/15] vl: make qemu_get_machine_opts static Paolo Bonzini
2020-12-07 16:07 ` Igor Mammedov
2020-12-07 16:38 ` Paolo Bonzini
2020-12-08 2:32 ` Daniel Henrique Barboza
2020-12-08 10:55 ` Igor Mammedov
2020-12-08 11:05 ` [PATCH] ppc/spapr: cleanup -machine pseries,nvdimm=X handling Igor Mammedov
2020-12-08 16:46 ` [PATCH v2] " Igor Mammedov
2020-12-08 17:24 ` Daniel Henrique Barboza
2020-12-08 18:35 ` Igor Mammedov
2020-12-08 2:16 ` [PATCH 10/15] vl: make qemu_get_machine_opts static Daniel Henrique Barboza
2020-12-08 8:13 ` Paolo Bonzini
2020-12-02 8:18 ` [PATCH 11/15] qtest: add a QOM object for qtest Paolo Bonzini
2020-12-07 16:24 ` Igor Mammedov
2020-12-07 16:43 ` Paolo Bonzini
2020-12-07 16:57 ` Igor Mammedov
2020-12-07 17:22 ` Paolo Bonzini
2020-12-08 11:11 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 12/15] plugin: propagate errors Paolo Bonzini
2020-12-02 11:33 ` Alex Bennée
2020-12-07 16:53 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 13/15] memory: allow creating MemoryRegions before accelerators Paolo Bonzini
2020-12-07 16:38 ` Igor Mammedov
2020-12-07 16:40 ` Paolo Bonzini
2020-12-07 17:06 ` Igor Mammedov
2020-12-02 8:18 ` [PATCH 14/15] null-machine: do not create a default memdev Paolo Bonzini
2020-12-07 16:43 ` Igor Mammedov
2020-12-11 23:24 ` Paolo Bonzini [this message]
2020-12-14 11:53 ` Igor Mammedov
2020-12-14 13:24 ` Paolo Bonzini
2020-12-02 8:18 ` [PATCH 15/15] monitor: allow quitting while in preconfig state Paolo Bonzini
2020-12-07 16:45 ` Igor Mammedov
2020-12-07 14:12 ` [PATCH 00/15] Finish cleaning up qemu_init no-reply
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