Re: [Xen-devel] [PATCH v4 2/4] docs: Introduce xenstore paths for PV driver information

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Paul Durrant writes ("[PATCH v4 2/4] docs: Introduce xenstore paths for PV 
driver information"):
> For domain management purposes it is convenient to be able to see
> information about PV drivers in xenstore. The XAPI toolstack in
> XenServer has always created a ~/drivers path for this purpose.
> 
> This patch documents that path and also adds a specification of how
> it should be used.
...
> +* DISTRIBUTION -- information about a software distribution, comprised
> +                  of 3 or 4 space separated fields as follows:

I think you should also specify an allowable character set, and
expected matching rules (if any).

> +                  VENDOR -- Commonly used vendor short name,
> +                            e.g "Citrix" rather than "Citrix Systems
> +                            Inc."
> +
> +                  PRODUCT -- Commonly used product (e.g. driver) name
> +                             without version information.

"If a toolstack needs to match on these values it should support Unix
glob style matching" ?

> +                  ATTRIBUTES -- Optional human readable text enclosed in
> +                                parentheses to denote attributes of the
> +                                software, e.g. "(debug)"

What are the parentheses for ?  How might a toolstack provide
facilities to match this ?

Ian.

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