To make it more clear that the flag means DRn (except DR7) need to be reloaded before vm entry. Signed-off-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx> --- arch/x86/include/asm/kvm_host.h | 2 +- arch/x86/kvm/x86.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index c7da23aed79a..f465c76e6e5a 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -511,7 +511,7 @@ struct kvm_pmu_ops; enum { KVM_DEBUGREG_BP_ENABLED = 1, KVM_DEBUGREG_WONT_EXIT = 2, - KVM_DEBUGREG_RELOAD = 4, + KVM_DEBUGREG_NEED_RELOAD = 4, }; struct kvm_mtrr_range { diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index de77bc9bd0d7..cce926658d10 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -1067,7 +1067,7 @@ static void kvm_update_dr0123(struct kvm_vcpu *vcpu) if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) { for (i = 0; i < KVM_NR_DB_REGS; i++) vcpu->arch.eff_db[i] = vcpu->arch.db[i]; - vcpu->arch.switch_db_regs |= KVM_DEBUGREG_RELOAD; + vcpu->arch.switch_db_regs |= KVM_DEBUGREG_NEED_RELOAD; } } @@ -8407,7 +8407,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) set_debugreg(vcpu->arch.eff_db[2], 2); set_debugreg(vcpu->arch.eff_db[3], 3); set_debugreg(vcpu->arch.dr6, 6); - vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; + vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_NEED_RELOAD; } kvm_x86_ops.run(vcpu); @@ -8424,7 +8424,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) kvm_update_dr0123(vcpu); kvm_update_dr6(vcpu); kvm_update_dr7(vcpu); - vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD; + vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_NEED_RELOAD; } /* -- 2.20.1