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Re: [Qemu-devel] per-machine vs per-qemu-version compat_props macros (wa
From: |
Eduardo Habkost |
Subject: |
Re: [Qemu-devel] per-machine vs per-qemu-version compat_props macros (was Re: acpi:ich9: add memory hotplug handling) |
Date: |
Tue, 24 Jun 2014 21:18:22 -0300 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Jun 24, 2014 at 11:30:04PM +0100, Peter Maydell wrote:
> On 24 June 2014 18:55, Eduardo Habkost <address@hidden> wrote:
> > On Tue, Jun 24, 2014 at 05:47:53PM +0100, Peter Maydell wrote:
> >> What if different machines in a particular release had the
> >> property set to different defaults?
> >
> > I never saw that happen, and I don't think it is even likely: default
> > values set in instance_init, and compat_props are applied just after
> > instance_init, before object_new() returns. So a machine-type would need
> > to find a way to change fields after instance_init but before
> > compat_props are applied.
>
> OK, yes, that's not going to happen. I had thought they were
> applied at the same point as -global settings.
They are. -global settings are also set just after instance_init, and
before object_new() returns. Internally, compat_props are translated to
global properties.
--
Eduardo
- [Qemu-devel] [PULL v2 022/106] trace: pc: add PC_DIMM slot & address allocation, (continued)
- [Qemu-devel] [PULL v2 022/106] trace: pc: add PC_DIMM slot & address allocation, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 023/106] acpi:piix4: allow plug/unlug callbacks handle not only PCI devices, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 025/106] pc: ich9 lpc: make it work with global/compat properties, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 024/106] acpi:piix4: add memory hotplug handling, Michael S. Tsirkin, 2014/06/18
- [Qemu-devel] [PULL v2 026/106] acpi:ich9: add memory hotplug handling, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 027/106] pc: migrate piix4 & ich9 MemHotplugState, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 030/106] pc: ACPI BIOS: implement memory hotplug interface, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 029/106] pc: propagate memory hotplug event to ACPI device, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 033/106] pc: ACPI BIOS: make GPE.3 handle memory hotplug event on PIIX and Q35 machines, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 034/106] acpi: update generated files, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 042/106] virtio-net: announce self by guest, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 043/106] Add kvm_eventfds_enabled function, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 044/106] Add chardev API qemu_chr_fe_read_all, Michael S. Tsirkin, 2014/06/18
[Qemu-devel] [PULL v2 045/106] Add chardev API qemu_chr_fe_set_msgfds, Michael S. Tsirkin, 2014/06/18