diff options
author | Carsten Otte <cotte@de.ibm.com> | 2012-01-04 04:25:25 -0500 |
---|---|---|
committer | Avi Kivity <avi@redhat.com> | 2012-03-05 07:52:19 -0500 |
commit | d6b6d166864fa97ca3b1ed1a5c62fd3b53d4606f (patch) | |
tree | 6f772746ed159b26da04888c1bd0fa09e1732b71 /arch/s390/kvm/kvm-s390.c | |
parent | c0d744a9c8aae81b624e0650e6fbbbb83db1a145 (diff) |
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>
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 02510946864e..5b5c28e471df 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c | |||
@@ -505,7 +505,8 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) | |||
505 | if (test_thread_flag(TIF_MCCK_PENDING)) | 505 | if (test_thread_flag(TIF_MCCK_PENDING)) |
506 | s390_handle_mcck(); | 506 | s390_handle_mcck(); |
507 | 507 | ||
508 | kvm_s390_deliver_pending_interrupts(vcpu); | 508 | if (!kvm_is_ucontrol(vcpu->kvm)) |
509 | kvm_s390_deliver_pending_interrupts(vcpu); | ||
509 | 510 | ||
510 | vcpu->arch.sie_block->icptcode = 0; | 511 | vcpu->arch.sie_block->icptcode = 0; |
511 | local_irq_disable(); | 512 | local_irq_disable(); |