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Re: [Qemu-devel] [PATCH] q35: Remove old machine versions


From: Laszlo Ersek
Subject: Re: [Qemu-devel] [PATCH] q35: Remove old machine versions
Date: Fri, 21 Aug 2015 19:06:00 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0

On 08/19/15 01:11, Eduardo Habkost wrote:
> Migration with q35 was not possible before commit
> 04329029a8c539eb5f75dcb6d8b016f0c53a031a, because q35 unconditionally creates
> an ich9-ahci device, that was marked as unmigratable. So all q35 machines
> before pc-q35-2.4 were unmigratable, and there's no point in keeping
> compatibility code for them.
> 
> Remove all old pc-q35 machine classes and keep only pc-q35-2.4.
> 
> Signed-off-by: Eduardo Habkost <address@hidden>
> ---
>  hw/i386/pc_q35.c | 153 
> -------------------------------------------------------
>  1 file changed, 153 deletions(-)

Reviewed-by: Laszlo Ersek <address@hidden>

> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
> index 4ee653e..e482f2f 100644
> --- a/hw/i386/pc_q35.c
> +++ b/hw/i386/pc_q35.c
> @@ -272,60 +272,6 @@ static void pc_q35_init(MachineState *machine)
>      }
>  }
>  
> -static void pc_compat_2_3(MachineState *machine)
> -{
> -    PCMachineState *pcms = PC_MACHINE(machine);
> -    savevm_skip_section_footers();
> -    if (kvm_enabled()) {
> -        pcms->smm = ON_OFF_AUTO_OFF;
> -    }
> -    global_state_set_optional();
> -    savevm_skip_configuration();
> -}
> -
> -static void pc_compat_2_2(MachineState *machine)
> -{
> -    pc_compat_2_3(machine);
> -    machine->suppress_vmdesc = true;
> -}
> -
> -static void pc_compat_2_1(MachineState *machine)
> -{
> -    PCMachineState *pcms = PC_MACHINE(machine);
> -
> -    pc_compat_2_2(machine);
> -    pcms->enforce_aligned_dimm = false;
> -    x86_cpu_compat_kvm_no_autodisable(FEAT_8000_0001_ECX, CPUID_EXT3_SVM);
> -}
> -
> -static void pc_compat_2_0(MachineState *machine)
> -{
> -    pc_compat_2_1(machine);
> -}
> -
> -static void pc_compat_1_7(MachineState *machine)
> -{
> -    pc_compat_2_0(machine);
> -    option_rom_has_mr = true;
> -    x86_cpu_compat_kvm_no_autoenable(FEAT_1_ECX, CPUID_EXT_X2APIC);
> -}
> -
> -static void pc_compat_1_6(MachineState *machine)
> -{
> -    pc_compat_1_7(machine);
> -    rom_file_has_mr = false;
> -}
> -
> -static void pc_compat_1_5(MachineState *machine)
> -{
> -    pc_compat_1_6(machine);
> -}
> -
> -static void pc_compat_1_4(MachineState *machine)
> -{
> -    pc_compat_1_5(machine);
> -}
> -
>  #define DEFINE_Q35_MACHINE(suffix, name, compatfn, optionfn) \
>      static void pc_init_##suffix(MachineState *machine) \
>      { \
> @@ -358,102 +304,3 @@ static void pc_q35_2_4_machine_options(MachineClass *m)
>  
>  DEFINE_Q35_MACHINE(v2_4, "pc-q35-2.4", NULL,
>                     pc_q35_2_4_machine_options);
> -
> -
> -static void pc_q35_2_3_machine_options(MachineClass *m)
> -{
> -    pc_q35_2_4_machine_options(m);
> -    m->no_floppy = 0;
> -    m->no_tco = 1;
> -    m->alias = NULL;
> -    SET_MACHINE_COMPAT(m, PC_COMPAT_2_3);
> -}
> -
> -DEFINE_Q35_MACHINE(v2_3, "pc-q35-2.3", pc_compat_2_3,
> -                   pc_q35_2_3_machine_options);
> -
> -
> -static void pc_q35_2_2_machine_options(MachineClass *m)
> -{
> -    PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
> -    pc_q35_2_3_machine_options(m);
> -    SET_MACHINE_COMPAT(m, PC_COMPAT_2_2);
> -    pcmc->rsdp_in_ram = false;
> -}
> -
> -DEFINE_Q35_MACHINE(v2_2, "pc-q35-2.2", pc_compat_2_2,
> -                   pc_q35_2_2_machine_options);
> -
> -
> -static void pc_q35_2_1_machine_options(MachineClass *m)
> -{
> -    PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
> -    pc_q35_2_2_machine_options(m);
> -    m->default_display = NULL;
> -    SET_MACHINE_COMPAT(m, PC_COMPAT_2_1);
> -    pcmc->smbios_uuid_encoded = false;
> -}
> -
> -DEFINE_Q35_MACHINE(v2_1, "pc-q35-2.1", pc_compat_2_1,
> -                   pc_q35_2_1_machine_options);
> -
> -
> -static void pc_q35_2_0_machine_options(MachineClass *m)
> -{
> -    PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
> -    pc_q35_2_1_machine_options(m);
> -    SET_MACHINE_COMPAT(m, PC_COMPAT_2_0);
> -    pcmc->has_reserved_memory = false;
> -    pcmc->smbios_legacy_mode = true;
> -    pcmc->acpi_data_size = 0x10000;
> -}
> -
> -DEFINE_Q35_MACHINE(v2_0, "pc-q35-2.0", pc_compat_2_0,
> -                   pc_q35_2_0_machine_options);
> -
> -
> -static void pc_q35_1_7_machine_options(MachineClass *m)
> -{
> -    PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
> -    pc_q35_2_0_machine_options(m);
> -    m->default_machine_opts = NULL;
> -    SET_MACHINE_COMPAT(m, PC_COMPAT_1_7);
> -    pcmc->smbios_defaults = false;
> -    pcmc->gigabyte_align = false;
> -}
> -
> -DEFINE_Q35_MACHINE(v1_7, "pc-q35-1.7", pc_compat_1_7,
> -                   pc_q35_1_7_machine_options);
> -
> -
> -static void pc_q35_1_6_machine_options(MachineClass *m)
> -{
> -    PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
> -    pc_q35_machine_options(m);
> -    SET_MACHINE_COMPAT(m, PC_COMPAT_1_6);
> -    pcmc->has_acpi_build = false;
> -}
> -
> -DEFINE_Q35_MACHINE(v1_6, "pc-q35-1.6", pc_compat_1_6,
> -                   pc_q35_1_6_machine_options);
> -
> -
> -static void pc_q35_1_5_machine_options(MachineClass *m)
> -{
> -    pc_q35_1_6_machine_options(m);
> -    SET_MACHINE_COMPAT(m, PC_COMPAT_1_5);
> -}
> -
> -DEFINE_Q35_MACHINE(v1_5, "pc-q35-1.5", pc_compat_1_5,
> -                   pc_q35_1_5_machine_options);
> -
> -
> -static void pc_q35_1_4_machine_options(MachineClass *m)
> -{
> -    pc_q35_1_5_machine_options(m);
> -    m->hot_add_cpu = NULL;
> -    SET_MACHINE_COMPAT(m, PC_COMPAT_1_4);
> -}
> -
> -DEFINE_Q35_MACHINE(v1_4, "pc-q35-1.4", pc_compat_1_4,
> -                   pc_q35_1_4_machine_options);
> 




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