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authorHollis Blanchard <hollisb@us.ibm.com>2008-12-02 15:51:56 -0600
committerAvi Kivity <avi@redhat.com>2008-12-31 16:55:09 +0200
commitc5fbdffbda79254047ec83b09c1a61a3655d052a (patch)
tree4fb1ba38fe722d514b62c284cc618768856eedf8 /arch/powerpc/kvm/booke_interrupts.S
parent7924bd41097ae8991c6d38cef8b1e4058e30d198 (diff)
KVM: ppc: save and restore guest mappings on context switch
Store shadow TLB entries in memory, but only use it on host context switch (instead of every guest entry). This improves performance for most workloads on 440 by reducing the guest TLB miss rate. Signed-off-by: Hollis Blanchard <hollisb@us.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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