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Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devic
From: |
Eduardo Habkost |
Subject: |
Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses |
Date: |
Fri, 24 Apr 2020 14:44:48 -0400 |
On Fri, Apr 24, 2020 at 03:23:56PM +0000, Ani Sinha wrote:
>
>
> > On Apr 22, 2020, at 4:15 PM, Ani Sinha <address@hidden> wrote:
> >
> >
> >
> >> On Apr 21, 2020, at 8:32 PM, Daniel P. Berrangé <address@hidden> wrote:
> >>
> >> On Tue, Apr 21, 2020 at 02:45:04PM +0000, Ani Sinha wrote:
> >>>
> >>>
> >>>> On Apr 20, 2020, at 8:32 PM, Michael S. Tsirkin <address@hidden> wrote:
> >>>>
> >>>> But I for one would like to focus on keeping PIIX stable
> >>>> and focus development on q35. Not bloating PIIX with lots of new
> >>>> features is IMHO a good way to do that.
> >>>
> >>> Does this mean this patch is a no-go then? :(
> >>
> >> I'd support this patch, as I don't think it can really be described as
> >> bloat or destabalizing. It is just adding a simple property to
> >> conditionalize existing functionality. Telling people to switch to Q35
> >> is unreasonable as it is not a simple 1-1 conversion from existing use
> >> of PIIX. Q35 has much higher complexity in its configuration, has higher
> >> memory overhead per VM too, and lacks certain features of PIIX too.
> >
> > Cool. How do we go forward from here?
> >
>
> We would really appreciate if we can add this extra knob in
> Qemu. Maybe someone else also in the community will find this
> useful. We don’t want to maintain this patch internally forever
> but rather prefer we maintain this as a Qemu community.
Michael, I agree with Daniel here and I don't think we should
start refusing PIIX features if they are useful for a portion of
the QEMU community.
Would you reconsider and merge this patch?
--
Eduardo
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, (continued)
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Daniel P . Berrangé, 2020/04/20
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Ani Sinha, 2020/04/20
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Philippe Mathieu-Daudé, 2020/04/20
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Michael S. Tsirkin, 2020/04/20
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Ani Sinha, 2020/04/21
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Daniel P . Berrangé, 2020/04/21
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Ani Sinha, 2020/04/22
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Ani Sinha, 2020/04/24
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses,
Eduardo Habkost <=
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Ani Sinha, 2020/04/27
- Re: [PATCH] Add a new PIIX option to control PCI hot unplugging of devices on non-root buses, Igor Mammedov, 2020/04/29