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KVM: MTRR: improve kvm_mtrr_get_guest_memory_type
authorXiao Guangrong <guangrong.xiao@linux.intel.com>
Mon, 15 Jun 2015 08:55:28 +0000 (16:55 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Fri, 19 Jun 2015 15:16:28 +0000 (17:16 +0200)
commit3f3f78b61462fdc62469334c259b1e5555ebd1ed
treed0864737cd476d0ebd9951fa35f80baff628115ftree | snapshot (tar.gz zip)
parent86fd52701cfae760711fb02a03c1ab8c80ea72f3commit | diff
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>
arch/x86/kvm/mtrr.c diff | blob | blame | history