Commit 937a7eae authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: Add a pending interrupt queue 



Similar to the exception queue, this hold interrupts that have been
accepted by the virtual processor core but not yet injected.

Not yet used.

Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
parent 35920a35

arch/x86/kvm/x86.h

+11 −0
Original line number Diff line number Diff line
@@ -8,4 +8,15 @@ static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu) 
	vcpu->arch.exception.pending = false;

}



static inline void kvm_queue_interrupt(struct kvm_vcpu *vcpu, u8 vector)

{

	vcpu->arch.interrupt.pending = true;

	vcpu->arch.interrupt.nr = vector;

}



static inline void kvm_clear_interrupt_queue(struct kvm_vcpu *vcpu)

{

	vcpu->arch.interrupt.pending = false;

}



#endif

include/asm-x86/kvm_host.h

+5 −0
Original line number Diff line number Diff line
@@ -275,6 +275,11 @@ struct kvm_vcpu_arch { 
		u32 error_code;

	} exception;



	struct kvm_queued_interrupt {

		bool pending;

		u8 nr;

	} interrupt;



	struct {

		int active;

		u8 save_iopl;