Commit d6b6d166 authored Jan 04, 2012 by Carsten Otte Committed by Avi Kivity Mar 05, 2012

KVM: s390: ucontrol: disable in-kernel irq stack



This patch disables the in-kernel interrupt stack for KVM virtual
machines that are controlled by user. Userspace has to take care
of handling interrupts on its own.

Signed-off-by: Carsten Otte <cotte@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent c0d744a9

arch/s390/kvm/kvm-s390.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -505,6 +505,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
		if (test_thread_flag(TIF_MCCK_PENDING))
		s390_handle_mcck();

		if (!kvm_is_ucontrol(vcpu->kvm))
		kvm_s390_deliver_pending_interrupts(vcpu);

		vcpu->arch.sie_block->icptcode = 0;