Merge branch 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm

* 'kvm-updates/2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm:
  KVM: MMU: avoid creation of unreachable pages in the shadow
  KVM: ppc: stop leaking host memory on VM exit
  KVM: MMU: fix sync of ptes addressed at owner pagetable
  KVM: ia64: Fix: Use correct calling convention for PAL_VPS_RESUME_HANDLER
  KVM: ia64: Fix incorrect kbuild CFLAGS override
  KVM: VMX: Fix interrupt loss during race with NMI
  KVM: s390: Fix problem state handling in guest sigp handler

1 files changed, 5 insertions, 0 deletions

diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 170392687ce0..2a01b9e02801 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -237,6 +237,11 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
         u8 order_code;
         int rc;
 
+        /* sigp in userspace can exit */
+        if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
+                return kvm_s390_inject_program_int(vcpu,
+                                                   PGM_PRIVILEGED_OPERATION);
+
         order_code = disp2;
         if (base2)
                 order_code += vcpu->arch.guest_gprs[base2];