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(parent: 199b576) | patch
KVM: X86: implement the logic for spinlock optimization
authorLongpeng(Mike) <longpeng2@huawei.com>
Tue, 8 Aug 2017 04:05:33 +0000 (12:05 +0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 8 Aug 2017 08:57:43 +0000 (10:57 +0200)
commitde63ad4cf4973462953c29c363f3cfa7117c2b2d
treeb269d3a1c04045d9f4f7005f8004f7da082bf0betree | snapshot
parent199b5763d329b43c88f6ad539db8a6c6b42f8edbcommit | diff
KVM: X86: implement the logic for spinlock optimization

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>
arch/x86/include/asm/kvm_host.h diff | blob | blame | history
arch/x86/kvm/hyperv.c diff | blob | blame | history
arch/x86/kvm/svm.c diff | blob | blame | history
arch/x86/kvm/vmx.c diff | blob | blame | history
arch/x86/kvm/x86.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git