Re: [Xen-devel] [PATCH v10 5/5] iommu: add rmrr Xen command line option for extra rmrrs

[Elena Ufimtseva <elena.ufimtseva@xxxxxxxxxx>]

----- JBeulich@xxxxxxxx wrote:

> >>> On 15.07.15 at 17:27, <elena.ufimtseva@xxxxxxxxxx> wrote:
> > On Wed, Jul 15, 2015 at 08:25:06AM +0100, Jan Beulich wrote:
> >> >>> On 14.07.15 at 12:43, <JBeulich@xxxxxxxx> wrote:
> >> >>>> On 13.07.15 at 20:18, <elena.ufimtseva@xxxxxxxxxx> wrote:
> >> >> +/* Macro for RMRR inclusive range formatting. */
> >> >> +#define PRI_RMRR(s,e) "[%lx-%lx]"
> >> > 
> >> > Just PRI_RMRR (i.e. no parens or parameters) please. And I'm
> still
> >> > missing a macro to pair the respective arguments - as said
> before,
> >> > as single format specifier should be accompanied by a single
> >> > argument (as visible to the reader at the use sites).
> >> 
> >> Answering your IRC question here:
> >> 
> >> #define ERU_FMT "[%lx-%lx]"
> >> #define ERU_ARG(eru) eru.base_pfn, eru.end_pfn
> >> 
> >> (with the acronym "eru" open for improvement).
> > 
> > Great! Thanks Jan.
> > Can ERU be RMRRU? 
> 
> ERMRRU maybe - I'd like the "extra" to somehow be expressed in
> the name.

Does this imply that it can be used for formatting ACPI RMRRs? 
Or with some modification perharps?
> 
> Jan

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