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KVM: s390: add floating irq controller

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This patch adds a floating irq controller as a kvm_device.
It will be necessary for migration of floating interrupts as well
as for hardening the reset code by allowing user space to explicitly
remove all pending floating interrupts.

Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Jens Freimann
2013-10-07 16:13:45 +02:00
committed by Christian Borntraeger
parent 81aa8efe01
commit c05c4186bb
8 changed files with 317 additions and 56 deletions
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arch/s390/kvm/kvm-s390.c
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@@ -157,6 +157,7 @@ int kvm_dev_ioctl_check_extension(long ext)
case KVM_CAP_ENABLE_CAP:
case KVM_CAP_S390_CSS_SUPPORT:
case KVM_CAP_IOEVENTFD:
case KVM_CAP_DEVICE_CTRL:
r = 1;
break;
case KVM_CAP_NR_VCPUS: