KVM: MMU: Optimize is_last_gpte()

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Instead of branchy code depending on level, gpte.ps, and mmu configuration,
prepare everything in a bitmap during mode changes and look it up during
runtime.

Reviewed-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

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This commit is contained in:

Avi Kivity 2012-09-12 20:46:56 +03:00

parent 13d22b6aeb

commit 6fd01b711b

4 changed files with 41 additions and 20 deletions

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7

arch/x86/include/asm/kvm_host.h

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31

arch/x86/kvm/mmu.c

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3

arch/x86/kvm/mmu.h

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20

arch/x86/kvm/paging_tmpl.h

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