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Re: [RFC PATCH 6/6] machine: Tweak the order of topology members in stru


From: Pankaj Gupta
Subject: Re: [RFC PATCH 6/6] machine: Tweak the order of topology members in struct CpuTopology
Date: Mon, 12 Jul 2021 21:46:08 +0200

> Now that all the possible topology parameters are integrated in struct
> CpuTopology, tweak the order of topology members to be "cpus/sockets/
> dies/cores/threads/maxcpus" for readability and consistency. We also
> tweak the comment by adding explanation of dies parameter.
>
> Signed-off-by: Yanan Wang <wangyanan55@huawei.com>
> ---
>  hw/core/machine.c   | 4 ++--
>  include/hw/boards.h | 7 ++++---
>  2 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/hw/core/machine.c b/hw/core/machine.c
> index 55785feee2..8c538d2ba5 100644
> --- a/hw/core/machine.c
> +++ b/hw/core/machine.c
> @@ -968,10 +968,10 @@ static void machine_initfn(Object *obj)
>      /* default to mc->default_cpus */
>      ms->smp.cpus = mc->default_cpus;
>      ms->smp.max_cpus = mc->default_cpus;
> -    ms->smp.cores = 1;
> +    ms->smp.sockets = 1;
>      ms->smp.dies = 1;
> +    ms->smp.cores = 1;
>      ms->smp.threads = 1;
> -    ms->smp.sockets = 1;
>  }
>
>  static void machine_finalize(Object *obj)
> diff --git a/include/hw/boards.h b/include/hw/boards.h
> index 1eae4427e8..3b64757981 100644
> --- a/include/hw/boards.h
> +++ b/include/hw/boards.h
> @@ -275,17 +275,18 @@ typedef struct DeviceMemoryState {
>  /**
>   * CpuTopology:
>   * @cpus: the number of present logical processors on the machine
> - * @cores: the number of cores in one package
> - * @threads: the number of threads in one core
>   * @sockets: the number of sockets on the machine
> + * @dies: the number of dies in one socket
> + * @cores: the number of cores in one die
> + * @threads: the number of threads in one core
>   * @max_cpus: the maximum number of logical processors on the machine
>   */
>  typedef struct CpuTopology {
>      unsigned int cpus;
> +    unsigned int sockets;
>      unsigned int dies;
>      unsigned int cores;
>      unsigned int threads;
> -    unsigned int sockets;
>      unsigned int max_cpus;
>  } CpuTopology;

Reviewed-by: Pankaj Gupta <pankaj.gupta@ionos.com>



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