Through reading debug related codes in kvm/x86, I found the flags of switch_db_regs is a little confusing (at least for me) and there is something to improve. So this patchset comes. But it only go througg compilation. Xiaoyao Li (3): kvm: x86: Rename KVM_DEBUGREG_RELOAD to KVM_DEBUGREG_NEED_RELOAD kvm: x86: Use KVM_DEBUGREG_NEED_RELOAD instead of KVM_DEBUGREG_BP_ENABLED kvm: x86: skip DRn reload if previous VM exit is DR access VM exit arch/x86/include/asm/kvm_host.h | 3 +-- arch/x86/kvm/svm/svm.c | 8 +++++--- arch/x86/kvm/vmx/vmx.c | 8 +++++--- arch/x86/kvm/x86.c | 12 ++++++------ 4 files changed, 17 insertions(+), 14 deletions(-) -- 2.20.1