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

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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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