Re: [PATCH v4 03/23] xen/arm: document dom0less

[Stefano Stabellini <sstabellini@kernel.org>]

On Tue, 9 Oct 2018, Julien Grall wrote:
> Hi Stefano,
> 
> On 05/10/2018 19:47, Stefano Stabellini wrote:
> > Add a new document to provide information on how to use dom0less related
> > features and their current limitations.
> > 
> > Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
> > 
> > ---
> > Changes in v4:
> > - rename to .txt
> > - improve wording
> > 
> > Changes in v3:
> > - add patch
> > ---
> >   docs/misc/arm/dom0less.txt | 47
> > ++++++++++++++++++++++++++++++++++++++++++++++
> 
> As said on the previous version, you likely need to add an entry in
> docs/INDEX.

OK

> >   1 file changed, 47 insertions(+)
> >   create mode 100644 docs/misc/arm/dom0less.txt
> > 
> > diff --git a/docs/misc/arm/dom0less.txt b/docs/misc/arm/dom0less.txt
> > new file mode 100644
> > index 0000000..df96b41
> > --- /dev/null
> > +++ b/docs/misc/arm/dom0less.txt
> > @@ -0,0 +1,47 @@
> > +Dom0less
> > +========
> > +
> > +"Dom0less" is a set of Xen features that enable the deployment of a Xen
> > +system without an hardware domain (often referred to as "dom0").
> I realize I suggested the wording hardware domain. But reading this again, it
> feels that "control domain" may be the best wording here. Indeed what we avoid
> is the toolstack and domain control the domains.

OK


> You begin the document writing "it is a set of Xen featueres that enable
> deployment of a Xen system without an hardware domain". I understand this
> sentence as there would be no "hardware domain". But then you write "create a
> set of DomU alongside Dom0".
> 
> Furthermore, at some point the control domain would disappear and the DomID 0
> may be allocated to a DomUs. Adding further confusion to a user seen the ID
> would be 0.
> 
> So I still think that using "Dom0" within the document is misleading and also
> the feature name. I don't have a good suggestion for the feature name. But at
> very least I would avoid the word "Dom0" everywhere in that document.
 
I'll reword the document to avoid "Dom0"

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