From 8ae099127668de80e4babba73bb492740ce3a1be Mon Sep 17 00:00:00 2001
From: Avi Kivity <avi@redhat.com>
Date: Thu, 21 Jan 2010 15:31:51 +0200
Subject: [PATCH] KVM: Optimize kvm_read_cr[04]_bits()

'mask' is always a constant, so we can check whether it includes a bit that
might be owned by the guest very cheaply, and avoid the decache call.  Saves
a few hundred bytes of module text.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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