KVM: Lazy FPU support for SVM

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Avoid saving and restoring the guest fpu state on every exit.  This
shaves ~100 cycles off the guest/host switch.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

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Anthony Liguori 2007-04-23 09:17:21 -05:00 • committed by Avi Kivity

parent 4c690a1e86

commit 7807fa6ca5

2 changed files with 33 additions and 4 deletions

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2

drivers/kvm/kvm.h

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35

drivers/kvm/svm.c

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