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Commit 95e90b43 authored by Mihai Caraman's avatar Mihai Caraman Committed by Alexander Graf
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KVM: PPC: bookehv: Add guest computation mode for irq delivery 



When delivering guest IRQs, update MSR computation mode according to guest
interrupt computation mode found in EPCR.

Signed-off-by: default avatarMihai Caraman <mihai.caraman@freescale.com>
[agraf: remove HV dependency in the code]
Signed-off-by: default avatarAlexander Graf <agraf@suse.de>
parent 62b4db00

arch/powerpc/kvm/booke.c

+8 −1
Original line number Diff line number Diff line
@@ -312,6 +312,7 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu, 
	bool crit;

	bool keep_irq = false;

	enum int_class int_class;

	ulong new_msr = vcpu->arch.shared->msr;



	/* Truncate crit indicators in 32 bit mode */

	if (!(vcpu->arch.shared->msr & MSR_SF)) {
@@ -407,7 +408,13 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu, 
			set_guest_esr(vcpu, vcpu->arch.queued_esr);

		if (update_dear == true)

			set_guest_dear(vcpu, vcpu->arch.queued_dear);

		kvmppc_set_msr(vcpu, vcpu->arch.shared->msr & msr_mask);



		new_msr &= msr_mask;

#if defined(CONFIG_64BIT)

		if (vcpu->arch.epcr & SPRN_EPCR_ICM)

			new_msr |= MSR_CM;

#endif

		kvmppc_set_msr(vcpu, new_msr);



		if (!keep_irq)

			clear_bit(priority, &vcpu->arch.pending_exceptions);