Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit decdbf6a authored by Joerg Roedel's avatar Joerg Roedel Committed by Avi Kivity
Browse files

KVM: SVM: Add clean-bit for interrupt state 



This patch implements the clean-bit for all interrupt
related state in the vmcb. This corresponds to vmcb offset
0x60-0x67.

Signed-off-by: default avatarJoerg Roedel <joerg.roedel@amd.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent d48086d1

arch/x86/kvm/svm.c

+7 −1
Original line number Diff line number Diff line
@@ -190,10 +190,12 @@ enum { 
			    pause filter count */

	VMCB_PERM_MAP,   /* IOPM Base and MSRPM Base */

	VMCB_ASID,	 /* ASID */

	VMCB_INTR,	 /* int_ctl, int_vector */

	VMCB_DIRTY_MAX,

};



#define VMCB_ALWAYS_DIRTY_MASK	0U

/* TPR is always written before VMRUN */

#define VMCB_ALWAYS_DIRTY_MASK	(1U << VMCB_INTR)



static inline void mark_all_dirty(struct vmcb *vmcb)

{
@@ -2508,6 +2510,8 @@ static int clgi_interception(struct vcpu_svm *svm) 
	svm_clear_vintr(svm);

	svm->vmcb->control.int_ctl &= ~V_IRQ_MASK;



	mark_dirty(svm->vmcb, VMCB_INTR);



	return 1;

}
@@ -2878,6 +2882,7 @@ static int interrupt_window_interception(struct vcpu_svm *svm) 
	kvm_make_request(KVM_REQ_EVENT, &svm->vcpu);

	svm_clear_vintr(svm);

	svm->vmcb->control.int_ctl &= ~V_IRQ_MASK;

	mark_dirty(svm->vmcb, VMCB_INTR);

	/*

	 * If the user space waits to inject interrupts, exit as soon as

	 * possible
@@ -3169,6 +3174,7 @@ static inline void svm_inject_irq(struct vcpu_svm *svm, int irq) 
	control->int_ctl &= ~V_INTR_PRIO_MASK;

	control->int_ctl |= V_IRQ_MASK |

		((/*control->int_vector >> 4*/ 0xf) << V_INTR_PRIO_SHIFT);

	mark_dirty(svm->vmcb, VMCB_INTR);

}



static void svm_set_irq(struct kvm_vcpu *vcpu)