Re: [Qemu-devel] [PATCH 6/7] ppc: Introduce kvmppc_set_reg_tb_offset() helper

[David Gibson <david@gibson.dropbear.id.au>]

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On Fri, Jun 14, 2019 at 01:09:17PM +0200, Greg Kurz wrote:
> Introduce a KVM helper and its stub instead of guarding the code with
> CONFIG_KVM.
> 
> Signed-off-by: Greg Kurz <groug@kaod.org>

Applied, thanks.

> ---
>  hw/ppc/ppc.c         |    5 +----
>  target/ppc/kvm.c     |    9 +++++++++
>  target/ppc/kvm_ppc.h |    5 +++++
>  3 files changed, 15 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/ppc/ppc.c b/hw/ppc/ppc.c
> index 288196dfa67a..a9e508c496de 100644
> --- a/hw/ppc/ppc.c
> +++ b/hw/ppc/ppc.c
> @@ -1034,10 +1034,7 @@ static void timebase_load(PPCTimebase *tb)
>      CPU_FOREACH(cpu) {
>          PowerPCCPU *pcpu = POWERPC_CPU(cpu);
>          pcpu->env.tb_env->tb_offset = tb_off_adj;
> -#if defined(CONFIG_KVM)
> -        kvm_set_one_reg(cpu, KVM_REG_PPC_TB_OFFSET,
> -                        &pcpu->env.tb_env->tb_offset);
> -#endif
> +        kvmppc_set_reg_tb_offset(pcpu, pcpu->env.tb_env->tb_offset);
>      }
>  }
>  
> diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c
> index d4107dd70d21..cde39904510a 100644
> --- a/target/ppc/kvm.c
> +++ b/target/ppc/kvm.c
> @@ -2939,3 +2939,12 @@ void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online)
>          kvm_set_one_reg(cs, KVM_REG_PPC_ONLINE, &online);
>      }
>  }
> +
> +void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset)
> +{
> +    CPUState *cs = CPU(cpu);
> +
> +    if (kvm_enabled()) {
> +        kvm_set_one_reg(cs, KVM_REG_PPC_TB_OFFSET, &tb_offset);
> +    }
> +}
> diff --git a/target/ppc/kvm_ppc.h b/target/ppc/kvm_ppc.h
> index 45776cad79d9..e642aaaf9226 100644
> --- a/target/ppc/kvm_ppc.h
> +++ b/target/ppc/kvm_ppc.h
> @@ -80,6 +80,7 @@ bool kvmppc_pvr_workaround_required(PowerPCCPU *cpu);
>  bool kvmppc_hpt_needs_host_contiguous_pages(void);
>  void kvm_check_mmu(PowerPCCPU *cpu, Error **errp);
>  void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu, unsigned int online);
> +void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset);
>  
>  #else
>  
> @@ -206,6 +207,10 @@ static inline void kvmppc_set_reg_ppc_online(PowerPCCPU *cpu,
>      return;
>  }
>  
> +static inline void kvmppc_set_reg_tb_offset(PowerPCCPU *cpu, int64_t tb_offset)
> +{
> +}
> +
>  #ifndef CONFIG_USER_ONLY
>  static inline bool kvmppc_spapr_use_multitce(void)
>  {
> 

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/~dgibson

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