提交 d26f22c9 编写于 作者: B Bharat Bhushan 提交者: Alexander Graf

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: NBharat Bhushan <bharat.bhushan@freescale.com>
Signed-off-by: NAlexander Graf <agraf@suse.de>
上级 2ae33b38
......@@ -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;
}
......
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