Re: [Qemu-devel] [PATCH] pc: remove useless hot_add_cpu initialisation

[Anthony PERARD <anthony.perard@citrix.com>]

On Tue, Oct 10, 2017 at 03:32:41PM +0200, Laurent Vivier wrote:
> Since 4458fb3a79 (pc: Eliminate pc_default_machine_options()),
> hot_add_cpu is set in pc_machine_class_init(), so we don't
> need to set it in pc_q35_machine_options(), pc_i440fx_machine_options()
> and xenfv_machine_options(), except to clear it in
> pc_i440fx_1_4_machine_opt().
> 
> Signed-off-by: Laurent Vivier <lvivier@redhat.com>
> ---
>  hw/i386/pc_piix.c | 2 --
>  hw/i386/pc_q35.c  | 1 -
>  2 files changed, 3 deletions(-)
> 
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index 9ff79b1fd9..caf166aede 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -428,7 +428,6 @@ static void pc_i440fx_machine_options(MachineClass *m)
>  {
>      m->family = "pc_piix";
>      m->desc = "Standard PC (i440FX + PIIX, 1996)";
> -    m->hot_add_cpu = pc_hot_add_cpu;
>      m->default_machine_opts = "firmware=bios-256k.bin";
>      m->default_display = "std";
>  }
> @@ -1123,7 +1122,6 @@ static void xenfv_machine_options(MachineClass *m)
>      m->desc = "Xen Fully-virtualized PC";
>      m->max_cpus = HVM_MAX_VCPUS;
>      m->default_machine_opts = "accel=xen";
> -    m->hot_add_cpu = pc_hot_add_cpu;
>  }

Acked-by: Anthony PERARD <anthony.perard@citrix.com>

>  
>  DEFINE_PC_MACHINE(xenfv, "xenfv", pc_xen_hvm_init,
> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
> index 6c4ec4be4e..da3ea602e1 100644
> --- a/hw/i386/pc_q35.c
> +++ b/hw/i386/pc_q35.c
> @@ -295,7 +295,6 @@ static void pc_q35_machine_options(MachineClass *m)
>  {
>      m->family = "pc_q35";
>      m->desc = "Standard PC (Q35 + ICH9, 2009)";
> -    m->hot_add_cpu = pc_hot_add_cpu;
>      m->units_per_default_bus = 1;
>      m->default_machine_opts = "firmware=bios-256k.bin";
>      m->default_display = "std";

-- 
Anthony PERARD