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authorAvi Kivity <avi@redhat.com>2011-04-27 19:42:18 +0300
committerAvi Kivity <avi@redhat.com>2011-05-22 08:47:45 -0400
commit2fb92db1ec08f3235c500e7f460eeb78092d844e (patch)
tree9cc23153b938a29969baa86e8075c507a7a05570 /arch/powerpc/kvm
parent1aa366163b8b69f660cf94fd5062fa44859e4318 (diff)
downloadblackbird-op-linux-2fb92db1ec08f3235c500e7f460eeb78092d844e.tar.gz
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KVM: VMX: Cache vmcs segment fields
Since the emulator now checks segment limits and access rights, it generates a lot more accesses to the vmcs segment fields. Undo some of the performance hit by cacheing those fields in a read-only cache (the entire cache is invalidated on any write, or on guest exit). Signed-off-by: Avi Kivity <avi@redhat.com>
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