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Re: [Qemu-devel] [PATCH v7 11/28] compat: replace PC_COMPAT_2_9 & HW_COM


From: Igor Mammedov
Subject: Re: [Qemu-devel] [PATCH v7 11/28] compat: replace PC_COMPAT_2_9 & HW_COMPAT_2_9 macros
Date: Thu, 27 Dec 2018 07:44:20 +0100

On Fri, 21 Dec 2018 13:03:53 +0400
Marc-André Lureau <address@hidden> wrote:

> Use static arrays instead.
> 
> Suggested-by: Eduardo Habkost <address@hidden>
> Signed-off-by: Marc-André Lureau <address@hidden>

Reviewed-by: Igor Mammedov <address@hidden>

> ---
>  include/hw/boards.h        |  3 +++
>  include/hw/compat.h        | 19 -------------------
>  include/hw/i386/pc.h       |  9 ++-------
>  hw/arm/virt.c              |  6 +-----
>  hw/core/machine.c          | 21 +++++++++++++++++++++
>  hw/i386/pc.c               |  9 +++++++++
>  hw/i386/pc_piix.c          |  7 ++-----
>  hw/i386/pc_q35.c           |  7 ++-----
>  hw/ppc/spapr.c             |  2 +-
>  hw/s390x/s390-virtio-ccw.c |  2 +-
>  10 files changed, 42 insertions(+), 43 deletions(-)
> 
> diff --git a/include/hw/boards.h b/include/hw/boards.h
> index f701b66183..226d6cfaa7 100644
> --- a/include/hw/boards.h
> +++ b/include/hw/boards.h
> @@ -302,4 +302,7 @@ extern const size_t hw_compat_2_11_len;
>  extern GlobalProperty hw_compat_2_10[];
>  extern const size_t hw_compat_2_10_len;
>  
> +extern GlobalProperty hw_compat_2_9[];
> +extern const size_t hw_compat_2_9_len;
> +
>  #endif
> diff --git a/include/hw/compat.h b/include/hw/compat.h
> index f414786604..ef154ca470 100644
> --- a/include/hw/compat.h
> +++ b/include/hw/compat.h
> @@ -1,25 +1,6 @@
>  #ifndef HW_COMPAT_H
>  #define HW_COMPAT_H
>  
> -#define HW_COMPAT_2_9 \
> -    {\
> -        .driver   = "pci-bridge",\
> -        .property = "shpc",\
> -        .value    = "off",\
> -    },{\
> -        .driver   = "intel-iommu",\
> -        .property = "pt",\
> -        .value    = "off",\
> -    },{\
> -        .driver   = "virtio-net-device",\
> -        .property = "x-mtu-bypass-backend",\
> -        .value    = "off",\
> -    },{\
> -        .driver   = "pcie-root-port",\
> -        .property = "x-migrate-msix",\
> -        .value    = "false",\
> -    },
> -
>  #define HW_COMPAT_2_8 \
>      {\
>          .driver   = "fw_cfg_mem",\
> diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
> index d77843a711..fb79f0b988 100644
> --- a/include/hw/i386/pc.h
> +++ b/include/hw/i386/pc.h
> @@ -309,13 +309,8 @@ extern const size_t pc_compat_2_11_len;
>  extern GlobalProperty pc_compat_2_10[];
>  extern const size_t pc_compat_2_10_len;
>  
> -#define PC_COMPAT_2_9 \
> -    HW_COMPAT_2_9 \
> -    {\
> -        .driver   = "mch",\
> -        .property = "extended-tseg-mbytes",\
> -        .value    = stringify(0),\
> -    },\
> +extern GlobalProperty pc_compat_2_9[];
> +extern const size_t pc_compat_2_9_len;
>  
>  #define PC_COMPAT_2_8 \
>      HW_COMPAT_2_8 \
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index e382bdfd96..2db46567bb 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -1918,12 +1918,8 @@ DEFINE_VIRT_MACHINE(2, 10)
>  
>  static void virt_machine_2_9_options(MachineClass *mc)
>  {
> -    static GlobalProperty compat[] = {
> -        HW_COMPAT_2_9
> -    };
> -
>      virt_machine_2_10_options(mc);
> -    compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
> +    compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
>  }
>  DEFINE_VIRT_MACHINE(2, 9)
>  
> diff --git a/hw/core/machine.c b/hw/core/machine.c
> index 7ab83bf4e2..2d7e774a5d 100644
> --- a/hw/core/machine.c
> +++ b/hw/core/machine.c
> @@ -91,6 +91,27 @@ GlobalProperty hw_compat_2_10[] = {
>  };
>  const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10);
>  
> +GlobalProperty hw_compat_2_9[] = {
> +    {
> +        .driver   = "pci-bridge",
> +        .property = "shpc",
> +        .value    = "off",
> +    },{
> +        .driver   = "intel-iommu",
> +        .property = "pt",
> +        .value    = "off",
> +    },{
> +        .driver   = "virtio-net-device",
> +        .property = "x-mtu-bypass-backend",
> +        .value    = "off",
> +    },{
> +        .driver   = "pcie-root-port",
> +        .property = "x-migrate-msix",
> +        .value    = "false",
> +    },
> +};
> +const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9);
> +
>  static char *machine_get_accel(Object *obj, Error **errp)
>  {
>      MachineState *ms = MACHINE(obj);
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index 71b3b2e1d8..f36cc5f79c 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -180,6 +180,15 @@ GlobalProperty pc_compat_2_10[] = {
>  };
>  const size_t pc_compat_2_10_len = G_N_ELEMENTS(pc_compat_2_10);
>  
> +GlobalProperty pc_compat_2_9[] = {
> +    {
> +        .driver   = "mch",
> +        .property = "extended-tseg-mbytes",
> +        .value    = stringify(0),
> +    },
> +};
> +const size_t pc_compat_2_9_len = G_N_ELEMENTS(pc_compat_2_9);
> +
>  void gsi_handler(void *opaque, int n, int level)
>  {
>      GSIState *s = opaque;
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index d3e795de20..5bc3ad0331 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -493,12 +493,9 @@ DEFINE_I440FX_MACHINE(v2_10, "pc-i440fx-2.10", NULL,
>  
>  static void pc_i440fx_2_9_machine_options(MachineClass *m)
>  {
> -    static GlobalProperty compat[] = {
> -        PC_COMPAT_2_9
> -    };
> -
>      pc_i440fx_2_10_machine_options(m);
> -    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
> +    compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
> +    compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
>      m->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
>  }
>  
> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
> index 8d708cd163..4e57830a6d 100644
> --- a/hw/i386/pc_q35.c
> +++ b/hw/i386/pc_q35.c
> @@ -378,12 +378,9 @@ DEFINE_Q35_MACHINE(v2_10, "pc-q35-2.10", NULL,
>  
>  static void pc_q35_2_9_machine_options(MachineClass *m)
>  {
> -    static GlobalProperty compat[] = {
> -        PC_COMPAT_2_9
> -    };
> -
>      pc_q35_2_10_machine_options(m);
> -    compat_props_add(m->compat_props, compat, G_N_ELEMENTS(compat));
> +    compat_props_add(m->compat_props, hw_compat_2_9, hw_compat_2_9_len);
> +    compat_props_add(m->compat_props, pc_compat_2_9, pc_compat_2_9_len);
>  }
>  
>  DEFINE_Q35_MACHINE(v2_9, "pc-q35-2.9", NULL,
> diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
> index 10e91d857c..7aa3a09ed4 100644
> --- a/hw/ppc/spapr.c
> +++ b/hw/ppc/spapr.c
> @@ -4068,7 +4068,6 @@ static void 
> spapr_machine_2_9_class_options(MachineClass *mc)
>  {
>      sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
>      static GlobalProperty compat[] = {
> -        HW_COMPAT_2_9
>          {
>              .driver = TYPE_POWERPC_CPU,
>              .property = "pre-2.10-migration",
> @@ -4077,6 +4076,7 @@ static void 
> spapr_machine_2_9_class_options(MachineClass *mc)
>      };
>  
>      spapr_machine_2_10_class_options(mc);
> +    compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
>      compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
>      mc->numa_auto_assign_ram = numa_legacy_auto_assign_ram;
>      smc->pre_2_10_has_unused_icps = true;
> diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
> index 95ad7ba842..549f6e0231 100644
> --- a/hw/s390x/s390-virtio-ccw.c
> +++ b/hw/s390x/s390-virtio-ccw.c
> @@ -752,7 +752,6 @@ static void ccw_machine_2_9_class_options(MachineClass 
> *mc)
>  {
>      S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
>      static GlobalProperty compat[] = {
> -        HW_COMPAT_2_9
>          {
>              .driver   = TYPE_S390_STATTRIB,
>              .property = "migration-enabled",
> @@ -761,6 +760,7 @@ static void ccw_machine_2_9_class_options(MachineClass 
> *mc)
>      };
>  
>      ccw_machine_2_10_class_options(mc);
> +    compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
>      compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
>      s390mc->css_migration_enabled = false;
>  }




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