linux-kernel - Re: [PATCH v2 2/7] dt-bindings: hypervisor: Add MediaTek GenieZone hypervisor

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Date:   Mon, 22 May 2023 03:28:57 +0000
From:   Yi-De Wu (吳一德) <Yi-De.Wu@...iatek.com>
To:     "conor.dooley@...rochip.com" <conor.dooley@...rochip.com>
CC:     "corbet@....net" <corbet@....net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-mediatek@...ts.infradead.org" 
        <linux-mediatek@...ts.infradead.org>,
        MY Chuang (莊明躍) <MY.Chuang@...iatek.com>,
        "quic_tsoni@...cinc.com" <quic_tsoni@...cinc.com>,
        "krzysztof.kozlowski+dt@...aro.org" 
        <krzysztof.kozlowski+dt@...aro.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        Ivan Tseng (曾志軒) 
        <ivan.tseng@...iatek.com>,
        Ze-yu Wang (王澤宇) 
        <Ze-yu.Wang@...iatek.com>,
        "yipei.chang@...il.com" <yipei.chang@...il.com>,
        PeiLun Suei (隋培倫) 
        <PeiLun.Suei@...iatek.com>,
        Liju-clr Chen (陳麗如) 
        <Liju-clr.Chen@...iatek.com>,
        "yi-de.wu@...iatek.corp-partner.google.com" 
        <yi-de.wu@...iatek.corp-partner.google.com>,
        Jades Shih (施向玨) 
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        Miles Chen (陳民樺) 
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        Yingshiuan Pan (潘穎軒) 
        <Yingshiuan.Pan@...iatek.com>,
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        "will@...nel.org" <will@...nel.org>
Subject: Re: [PATCH v2 2/7] dt-bindings: hypervisor: Add MediaTek GenieZone
 hypervisor

On Fri, 2023-05-12 at 12:01 +0100, Conor Dooley wrote:
> On Fri, May 12, 2023 at 06:42:51AM +0000, Yi-De Wu (吳一德) wrote:
> > On Fri, 2023-04-28 at 16:24 -0500, Rob Herring wrote:
> > > External email : Please do not click links or open attachments
> > > until
> > > you have verified the sender or the content.
> > > 
> > > 
> > > On Fri, Apr 28, 2023 at 06:36:17PM +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.
> > > 
> > > 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.
> > > 
> > > Rob
> > 
> > Can do, our hypervisor is discoverable through invoking probing
> > hypercall, and we use the device tree to prevent unnecessary module
> > loading on all systems.
> 
> Please do not wait until immediately prior to submitting version N+1
> before replying to any of the comments on version N.
> This creates a confusing scenario, where some review comments may be
> missed due to parallel discussion.
> 
> Thanks,
> Conor.
> 
Noted, we would stop updating newer version until there's some
consensus to do so.