KVM: X86: implement the logic for spinlock optimization

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get_cpl requires vcpu_load, so we must cache the result (whether the
vcpu was preempted when its cpl=0) in kvm_vcpu_arch.

Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Longpeng(Mike) 2017-08-08 12:05:33 +08:00 • committed by Paolo Bonzini

parent 199b5763d3

commit de63ad4cf4

5 changed files with 21 additions and 4 deletions

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3

arch/x86/include/asm/kvm_host.h

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arch/x86/kvm/hyperv.c

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arch/x86/kvm/svm.c

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arch/x86/kvm/vmx.c

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arch/x86/kvm/x86.c

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