It just returns pending IRQ vector from the queue for VMX/SVM. Get IRQ directly from the queue before migration and put it back after. Signed-off-by: Gleb Natapov <gleb@xxxxxxxxxx> --- arch/x86/include/asm/kvm_host.h | 1 - arch/x86/kvm/svm.c | 8 -------- arch/x86/kvm/vmx.c | 8 -------- arch/x86/kvm/x86.c | 12 +++++------- 4 files changed, 5 insertions(+), 24 deletions(-) diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index f9eb9ac..0fa07e7 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -513,7 +513,6 @@ struct kvm_x86_ops { void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu); void (*patch_hypercall)(struct kvm_vcpu *vcpu, unsigned char *hypercall_addr); - int (*get_irq)(struct kvm_vcpu *vcpu); void (*set_irq)(struct kvm_vcpu *vcpu, int vec); void (*set_nmi)(struct kvm_vcpu *vcpu); void (*queue_exception)(struct kvm_vcpu *vcpu, unsigned nr, diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index ca57365..1ca877a 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -964,13 +964,6 @@ static int svm_guest_debug(struct kvm_vcpu *vcpu, struct kvm_guest_debug *dbg) return 0; } -static int svm_get_irq(struct kvm_vcpu *vcpu) -{ - if (!vcpu->arch.interrupt.pending) - return -1; - return vcpu->arch.interrupt.nr; -} - static void load_host_msrs(struct kvm_vcpu *vcpu) { #ifdef CONFIG_X86_64 @@ -2635,7 +2628,6 @@ static struct kvm_x86_ops svm_x86_ops = { .handle_exit = handle_exit, .skip_emulated_instruction = skip_emulated_instruction, .patch_hypercall = svm_patch_hypercall, - .get_irq = svm_get_irq, .set_irq = svm_set_irq, .set_nmi = svm_inject_nmi, .queue_exception = svm_queue_exception, diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index bad2413..25be53a 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1045,13 +1045,6 @@ static int set_guest_debug(struct kvm_vcpu *vcpu, struct kvm_guest_debug *dbg) return 0; } -static int vmx_get_irq(struct kvm_vcpu *vcpu) -{ - if (!vcpu->arch.interrupt.pending) - return -1; - return vcpu->arch.interrupt.nr; -} - static __init int cpu_has_kvm_support(void) { return cpu_has_vmx(); @@ -3634,7 +3627,6 @@ static struct kvm_x86_ops vmx_x86_ops = { .handle_exit = vmx_handle_exit, .skip_emulated_instruction = skip_emulated_instruction, .patch_hypercall = vmx_patch_hypercall, - .get_irq = vmx_get_irq, .set_irq = vmx_inject_irq, .set_nmi = vmx_inject_nmi, .queue_exception = vmx_queue_exception, diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 7bea346..1a99a23 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3526,7 +3526,6 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs) { struct descriptor_table dt; - int pending_vec; vcpu_load(vcpu); @@ -3563,9 +3562,9 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu, memcpy(sregs->interrupt_bitmap, vcpu->arch.irq_pending, sizeof sregs->interrupt_bitmap); - pending_vec = kvm_x86_ops->get_irq(vcpu); - if (pending_vec >= 0) - set_bit(pending_vec, (unsigned long *)sregs->interrupt_bitmap); + if (vcpu->arch.interrupt.pending) + set_bit(vcpu->arch.interrupt.nr, + (unsigned long *)sregs->interrupt_bitmap); vcpu_put(vcpu); @@ -4081,9 +4080,8 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, max_bits); /* Only pending external irq is handled here */ if (pending_vec < max_bits) { - kvm_x86_ops->set_irq(vcpu, pending_vec); - pr_debug("Set back pending irq %d\n", - pending_vec); + kvm_queue_interrupt(vcpu, pending_vec); + pr_debug("Set back pending irq %d\n", pending_vec); } kvm_pic_clear_isr_ack(vcpu->kvm); } -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html