KVM: PPC: move tsr update in a separate function

This is done so that same function can be called from SREGS and
ONE_REG interface (follow up patch).

Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index eb88fa6210732169a1785cd0d0c9ce0529022a4d..f2fd47d35ab59c7482272031618582996854bf70 100644 (file)
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -1148,6 +1148,18 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
        return r;
 }
 
+static void kvmppc_set_tsr(struct kvm_vcpu *vcpu, u32 new_tsr)
+{
+       u32 old_tsr = vcpu->arch.tsr;
+
+       vcpu->arch.tsr = new_tsr;
+
+       if ((old_tsr ^ vcpu->arch.tsr) & (TSR_ENW | TSR_WIS))
+               arm_next_watchdog(vcpu);
+
+       update_timer_ints(vcpu);
+}
+
 /* Initial guest state: 16MB mapping 0 -> 0, PC = 0, MSR = 0, R1 = 16MB */
 int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 {
@@ -1287,16 +1299,8 @@ static int set_sregs_base(struct kvm_vcpu *vcpu,
                kvmppc_emulate_dec(vcpu);
        }
 
-       if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_TSR) {
-               u32 old_tsr = vcpu->arch.tsr;
-
-               vcpu->arch.tsr = sregs->u.e.tsr;
-
-               if ((old_tsr ^ vcpu->arch.tsr) & (TSR_ENW | TSR_WIS))
-                       arm_next_watchdog(vcpu);
-
-               update_timer_ints(vcpu);
-       }
+       if (sregs->u.e.update_special & KVM_SREGS_E_UPDATE_TSR)
+               kvmppc_set_tsr(vcpu, sregs->u.e.tsr);
 
        return 0;
 }