From: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Date: Mon, 15 Jun 2015 08:55:28 +0000 (+0800)
Subject: KVM: MTRR: improve kvm_mtrr_get_guest_memory_type
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~167^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f3f78b61462fdc62469334c259b1e5555ebd1ed;p=pandora-kernel.git

KVM: MTRR: improve kvm_mtrr_get_guest_memory_type

 - kvm_mtrr_get_guest_memory_type() only checks one page in MTRRs so
   that it's unnecessary to check to see if the range is partially
   covered in MTRR

 - optimize the check of overlap memory type and add some comments
   to explain the precedence

Signed-off-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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