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