Re: [PATCH 12/15] KVM: MTRR: introduce mtrr_for_each_mem_type

[Xiao Guangrong]

On 06/01/2015 10:26 PM, Paolo Bonzini wrote:
> On 01/06/2015 11:33, Paolo Bonzini wrote:
> > > +	looker->mem_type = looker->mtrr_state->fixed_ranges[index];
> > > > +	looker->start = fixed_mtrr_range_end_addr(seg, index);
> > > > +	return true;
> > in mtrr_lookup_fixed_start is the same as this:
> >
> > > > +	end = fixed_mtrr_range_end_addr(looker->seg, looker->index);
> > > > +
> > > > +	/* switch to next segment. */
> > > > +	if (end >= eseg->end) {
> > > > +		looker->seg++;
> > > > +		looker->index = 0;
> > > > +
> > > > +		/* have looked up for all fixed MTRRs. */
> > > > +		if (looker->seg >= ARRAY_SIZE(fixed_seg_table))
> > > > +			return mtrr_lookup_var_start(looker);
> > > > +
> > > > +		end = fixed_mtrr_range_end_addr(looker->seg, looker->index);
> > > > +	}
> > > > +
> > > > +	looker->mem_type = mtrr_state->fixed_ranges[looker->index];
> > > > +	looker->start = end;
> > in mtrr_lookup_fixed_next.  Can you try to make them more common?
> >
> > Basically you should have
> >
> > +#define mtrr_for_each_mem_type(_looker_, _mtrr_, _gpa_start_, _gpa_end_) \
> > +	for (mtrr_lookup_init(_looker_, _mtrr_, _gpa_start_, _gpa_end_); \
> > +	     !mtrr_lookup_end(_looker_); mtrr_lookup_next(_looker_))
>
> ... where the above code I quoted would be part of mtrr_lookup_end.

Okay, will do. :)
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