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authorChristian Borntraeger <borntraeger@de.ibm.com>2012-04-25 15:30:39 +0200
committerMarcelo Tosatti <mtosatti@redhat.com>2012-05-01 02:38:31 +0200
commit8733ac36fc37fe055a7d7daadf5451b4231f0214 (patch)
tree0abb6ce4768ab9744ddfbf981e8a6c4f534786dd /arch/s390
parentKVM: s390: Implement the directed yield (diag 9c) hypervisor call for KVM (diff)
downloadlinux-8733ac36fc37fe055a7d7daadf5451b4231f0214.tar.xz
linux-8733ac36fc37fe055a7d7daadf5451b4231f0214.zip
KVM: s390: use kvm_vcpu_on_spin for diag 0x44
Lets replace the old open coded version of diag 0x44 (which relied on compat_sched_yield) with kvm_vcpu_on_spin. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/diag.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c
index 2d2ae327b747..b23d9ac77dfc 100644
--- a/arch/s390/kvm/diag.c
+++ b/arch/s390/kvm/diag.c
@@ -47,9 +47,7 @@ static int __diag_time_slice_end(struct kvm_vcpu *vcpu)
{
VCPU_EVENT(vcpu, 5, "%s", "diag time slice end");
vcpu->stat.diagnose_44++;
- vcpu_put(vcpu);
- yield();
- vcpu_load(vcpu);
+ kvm_vcpu_on_spin(vcpu);
return 0;
}