Re: [Qemu-devel] [pci PATCH v2 6/6] pc_piix: Kill pc_init1() memory region args

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Aug 21, 2013 at 03:14:45PM -0300, Eduardo Habkost wrote:
> All callers always use the same values (get_system_memory(),
> get_system_io()), so the parameters are pointless.
> 
> If one day we decide to eliminate get_system_memory() and
> get_system_io(), we will be able to do that more easily by adding the
> values to struct QEMUMachineInitArgs.
> 
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

Paolo, could you ack this patch please?
It's on my tree but I can always revert ... :)

> ---
>  hw/i386/pc_piix.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index d3d4893..3c36a2a 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -62,11 +62,11 @@ static bool has_pci_info = true;
>  
>  /* PC hardware initialisation */
>  static void pc_init1(QEMUMachineInitArgs *args,
> -                     MemoryRegion *system_memory,
> -                     MemoryRegion *system_io,
>                       int pci_enabled,
>                       int kvmclock_enabled)
>  {
> +    MemoryRegion *system_memory = get_system_memory();
> +    MemoryRegion *system_io = get_system_io();
>      int i;
>      ram_addr_t below_4g_mem_size, above_4g_mem_size;
>      PCIBus *pci_bus;
> @@ -233,7 +233,7 @@ static void pc_init1(QEMUMachineInitArgs *args,
>  
>  static void pc_init_pci(QEMUMachineInitArgs *args)
>  {
> -    pc_init1(args, get_system_memory(), get_system_io(), 1, 1);
> +    pc_init1(args, 1, 1);
>  }
>  
>  static void pc_compat_1_6(QEMUMachineInitArgs *args)
> @@ -306,7 +306,7 @@ static void pc_init_pci_no_kvmclock(QEMUMachineInitArgs *args)
>      has_pci_info = false;
>      disable_kvm_pv_eoi();
>      enable_compat_apic_id_mode();
> -    pc_init1(args, get_system_memory(), get_system_io(), 1, 0);
> +    pc_init1(args, 1, 0);
>  }
>  
>  static void pc_init_isa(QEMUMachineInitArgs *args)
> @@ -317,7 +317,7 @@ static void pc_init_isa(QEMUMachineInitArgs *args)
>      }
>      disable_kvm_pv_eoi();
>      enable_compat_apic_id_mode();
> -    pc_init1(args, get_system_memory(), get_system_io(), 0, 1);
> +    pc_init1(args, 0, 1);
>  }
>  
>  #ifdef CONFIG_XEN
> -- 
> 1.8.3.1