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Message-ID: <20230512-kudos-stunt-489ee651bdd8@wendy>
Date: Fri, 12 May 2023 12:09:27 +0100
From: Conor Dooley <conor.dooley@...rochip.com>
To: Yi-De Wu <yi-de.wu@...iatek.com>
CC: Yingshiuan Pan <yingshiuan.pan@...iatek.com>,
Ze-Yu Wang <ze-yu.wang@...iatek.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Jonathan Corbet <corbet@....net>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-doc@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-arch@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
Trilok Soni <quic_tsoni@...cinc.com>,
David Bradil <dbrazdil@...gle.com>,
Jade Shih <jades.shih@...iatek.com>,
Miles Chen <miles.chen@...iatek.com>,
Ivan Tseng <ivan.tseng@...iatek.com>,
My Chuang <my.chuang@...iatek.com>,
Shawn Hsiao <shawn.hsiao@...iatek.com>,
PeiLun Suei <peilun.suei@...iatek.com>,
Liju Chen <liju-clr.chen@...iatek.com>
Subject: Re: [PATCH v3 2/7] dt-bindings: hypervisor: Add MediaTek GenieZone
hypervisor
On Fri, May 12, 2023 at 04:04:00PM +0800, Yi-De Wu wrote:
> From: "Yingshiuan Pan" <yingshiuan.pan@...iatek.com>
>
> Add documentation for GenieZone(gzvm) node. This node informs gzvm
> driver to start probing if geniezone hypervisor is available and
> able to do virtual machine operations.
Propagated from v2:
> > Why can't the driver just try and do virtual machine operations to
> > see
> > if the hypervisor is there? IOW, make your software interfaces
> > discoverable. DT is for non-discoverable hardware.
>
> Can do, our hypervisor is discoverable through invoking probing
> hypercall, and we use the device tree to prevent unnecessary module
> loading on all systems.
Rob is out of office at the moment, but that appears to be a request to
drop the use of devicetree entirely. Mainly re-posting so that that
conversation appears on the latest version of the patchset, given you
only replied to Rob today.
Thanks,
Conor.
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