[PATCH 1/2] move tsr update in a separate function

[Bharat Bhushan <r65777@xxxxxxxxxxxxx>]

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@xxxxxxxxxxxxx>
---
 arch/powerpc/kvm/booke.c |   24 ++++++++++++++----------
 arch/powerpc/kvm/booke.h |    1 +
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 020923e..7bf62f8 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -1287,16 +1287,8 @@ 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;
 }
@@ -1558,6 +1550,18 @@ void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr)
 	update_timer_ints(vcpu);
 }
 
+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);
+}
+
 void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits)
 {
 	set_bits(tsr_bits, &vcpu->arch.tsr);
diff --git a/arch/powerpc/kvm/booke.h b/arch/powerpc/kvm/booke.h
index 5fd1ba6..71ed392 100644
--- a/arch/powerpc/kvm/booke.h
+++ b/arch/powerpc/kvm/booke.h
@@ -72,6 +72,7 @@ void kvmppc_mmu_msr_notify(struct kvm_vcpu *vcpu, u32 old_msr);
 
 void kvmppc_set_epcr(struct kvm_vcpu *vcpu, u32 new_epcr);
 void kvmppc_set_tcr(struct kvm_vcpu *vcpu, u32 new_tcr);
+void kvmppc_set_tsr(struct kvm_vcpu *vcpu, u32 new_tcr);
 void kvmppc_set_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
 void kvmppc_clr_tsr_bits(struct kvm_vcpu *vcpu, u32 tsr_bits);
 
-- 
1.7.0.4


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