Re: [Xen-devel] [PATCH] iommu: Elaborate the usage of RMRR specification on the command line.

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.02.17 at 21:42, <venu.busireddy@xxxxxxxxxx> wrote:
> --- a/docs/misc/xen-command-line.markdown
> +++ b/docs/misc/xen-command-line.markdown
> @@ -1406,6 +1406,15 @@ If segment of the first device is not specified, 
> segment zero will be used.
>  If other segments are not specified, first device segment will be used.
>  If a segment is specified for other than the first device and it does not 
> match
>  the one specified for the first one, an error will be reported.
> +
> +'start' and 'end' values are page numbers (not full physical addresses).
> +If the values are not preceded by "0x", they are treated as decimal.

Actually I think we should fix the code. I can't see how decimal
numbers can be useful here, and it is actively confusing with ...

> +Usage example: If there are two devices 0:0:1d.0 and 0:0:1a.0 that require
> +pages 0xd5d45 and 0xd5d46 to be reserved respectively, use:
> +
> +rmrr=0xd5d45=0:0:1d.0;0xd5d46=0:0:1a.0

... the PCI device being specified without 0x prefixes.

Also can one of the two parts of the example be a range, please?

Jan


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