ftrace: limit trace entries

[linux-2.6] / include / asm-powerpc / kvm_ppc.h

diff --git a/include/asm-powerpc/kvm_ppc.h b/include/asm-powerpc/kvm_ppc.h
index 7ac820308a7e19c2e397d399e38fefe0d7ae361b..b35a7e3ef9782b0579072ee8492013f5dd7519f1 100644 (file)
--- a/include/asm-powerpc/kvm_ppc.h
+++ b/include/asm-powerpc/kvm_ppc.h
@@ -77,12 +77,17 @@ static inline void kvmppc_clear_exception(struct kvm_vcpu *vcpu, int exception)
        clear_bit(priority, &vcpu->arch.pending_exceptions);
 }
 
+/* Helper function for "full" MSR writes. No need to call this if only EE is
+ * changing. */
 static inline void kvmppc_set_msr(struct kvm_vcpu *vcpu, u32 new_msr)
 {
        if ((new_msr & MSR_PR) != (vcpu->arch.msr & MSR_PR))
                kvmppc_mmu_priv_switch(vcpu, new_msr & MSR_PR);
 
        vcpu->arch.msr = new_msr;
+
+       if (vcpu->arch.msr & MSR_WE)
+               kvm_vcpu_block(vcpu);
 }
 
 #endif /* __POWERPC_KVM_PPC_H__ */