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Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support
From: |
Benjamin Herrenschmidt |
Subject: |
Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support |
Date: |
Thu, 28 Sep 2017 10:43:46 +0200 |
On Thu, 2017-09-21 at 13:21 +0200, Cédric Le Goater wrote:
> Let me be more precise. I am saying that the interrupt-controller
> and #interrupt-cells properties are not needed under the main interrupt
> controller node. They can be removed from the tree and the Linux guest
> kernel will boot perfectly well.
No they are needed. They are the parents of PCI interrupts for example.
There's something fishy here.
Do you have a DT snapshot from pHyp for me to look at ?
> These properties still are needed under the sub nodes like :
>
> /proc/device-tree/vdevice/interrupt-controller
> /proc/device-tree/event-sources/interrupt-controller
- [Qemu-ppc] [RFC PATCH v2 16/21] spapr: add a XIVE object to the sPAPR machine, (continued)
- [Qemu-ppc] [RFC PATCH v2 16/21] spapr: add a XIVE object to the sPAPR machine, Cédric Le Goater, 2017/09/11
- [Qemu-ppc] [RFC PATCH v2 17/21] ppc/xive: add hcalls support, Cédric Le Goater, 2017/09/11
- [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, Cédric Le Goater, 2017/09/11
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, David Gibson, 2017/09/19
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, Cédric Le Goater, 2017/09/20
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, David Gibson, 2017/09/20
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, Cédric Le Goater, 2017/09/21
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, David Gibson, 2017/09/22
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support,
Benjamin Herrenschmidt <=
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, Cédric Le Goater, 2017/09/28
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, Benjamin Herrenschmidt, 2017/09/28
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, Cédric Le Goater, 2017/09/28
- Re: [Qemu-ppc] [RFC PATCH v2 18/21] ppc/xive: add device tree support, Benjamin Herrenschmidt, 2017/09/28
[Qemu-ppc] [RFC PATCH v2 19/21] ppc/xive: introduce a helper to map the XIVE memory regions, Cédric Le Goater, 2017/09/11
[Qemu-ppc] [RFC PATCH v2 20/21] ppc/xics: introduce a qirq_get() helper in the XICSFabric, Cédric Le Goater, 2017/09/11
[Qemu-ppc] [RFC PATCH v2 21/21] spapr: activate XIVE exploitation mode, Cédric Le Goater, 2017/09/11
Re: [Qemu-ppc] [RFC PATCH v2 00/21] Guest exploitation of the XIVE interrupt controller (POWER9), David Gibson, 2017/09/19