From 0546c63d988d347fc734fc8c624692b30f95f633 Mon Sep 17 00:00:00 2001 From: "Longpeng(Mike)" Date: Tue, 8 Aug 2017 12:05:34 +0800 Subject: [PATCH] KVM: s390: implements the kvm_arch_vcpu_in_kernel() This implements kvm_arch_vcpu_in_kernel() for s390. DIAG is a privileged operation, so it cannot be called from problem state (user mode). Signed-off-by: Longpeng(Mike) Signed-off-by: Paolo Bonzini --- arch/s390/kvm/diag.c | 2 +- arch/s390/kvm/kvm-s390.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 6182edebea3d..5ee90020382d 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -150,7 +150,7 @@ static int __diag_time_slice_end(struct kvm_vcpu *vcpu) { VCPU_EVENT(vcpu, 5, "%s", "diag time slice end"); vcpu->stat.diagnose_44++; - kvm_vcpu_on_spin(vcpu, false); + kvm_vcpu_on_spin(vcpu, true); return 0; } diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 5e07322034b9..9f23a9e81a91 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2449,7 +2449,7 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu) { - return false; + return !(vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE); } void kvm_s390_vcpu_block(struct kvm_vcpu *vcpu)