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Commit 0546c63d authored Aug 08, 2017 by Longpeng(Mike) Committed by Paolo Bonzini Aug 08, 2017

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) <longpeng2@huawei.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

parent de63ad4c

arch/s390/kvm/diag.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -150,7 +150,7 @@ static int __diag_time_slice_end(struct kvm_vcpu *vcpu)
	{		{
	VCPU_EVENT(vcpu, 5, "%s", "diag time slice end");		VCPU_EVENT(vcpu, 5, "%s", "diag time slice end");
	vcpu->stat.diagnose_44++;		vcpu->stat.diagnose_44++;
	kvm_vcpu_on_spin(vcpu, false);		kvm_vcpu_on_spin(vcpu, true);
	return 0;		return 0;
	}		}

arch/s390/kvm/kvm-s390.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -2449,7 +2449,7 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)

	bool kvm_arch_vcpu_in_kernel(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)		void kvm_s390_vcpu_block(struct kvm_vcpu *vcpu)