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Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device
From: |
Marc-André Lureau |
Subject: |
Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device |
Date: |
Mon, 9 Oct 2017 07:46:30 -0400 (EDT) |
Hi
----- Original Message -----
> On Mon, Sep 11, 2017 at 06:59:24PM +0200, Marc-André Lureau wrote:
> > See docs/specs/vmcoreinfo.txt for details.
> >
> > "etc/vmcoreinfo" fw_cfg entry is added when using "-device vmcoreinfo".
>
> I'm wondering if you considered just adding the entry to fw_cfg by
> default, without requiring any -device arg ? Unless I'm misunderstanding,
> this doesn't feel like a device to me - its just a well known bucket
> in fw_cfg IIUC ? Obviously its existance would need to be tied to
> the latest machine type for ABI reasons though. The benefit of this
> is that it would "just work" without us having to plumb it through to
> all the downstream applications that use QEMU for mgmt guest (OpenStack,
> oVirt, GNOME Boxes, virt-manager, and countless other mgmt apps).
v5 did that, it was using a -global fw_cfg.vmcoreinfo=on that defaulted to on.
Michael preferred to have a separate -device rather than mix it with fw_cfg,
since it's not directly related.
We could make -device vmcoreinfo default on on machine type >= 2.11 instead?
thanks
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Daniel P. Berrange, 2017/10/09
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device,
Marc-André Lureau <=
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Igor Mammedov, 2017/10/09
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Daniel P. Berrange, 2017/10/09
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Michael S. Tsirkin, 2017/10/09
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Daniel P. Berrange, 2017/10/10
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Marc-André Lureau, 2017/10/10
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Michael S. Tsirkin, 2017/10/10
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Daniel P. Berrange, 2017/10/10
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Michael S. Tsirkin, 2017/10/10
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Eduardo Habkost, 2017/10/10
- Re: [Qemu-devel] [PATCH v6 2/7] hw/misc: add vmcoreinfo device, Michael S. Tsirkin, 2017/10/14