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Re: [Qemu-devel] [PATCH] isapc: Remove unnecessary migration compatibili
From: |
Igor Mammedov |
Subject: |
Re: [Qemu-devel] [PATCH] isapc: Remove unnecessary migration compatibility code |
Date: |
Tue, 10 Oct 2017 13:42:04 +0200 |
On Fri, 6 Oct 2017 10:25:02 -0300
Eduardo Habkost <address@hidden> wrote:
> We don't touch isapc when we change guest ABI and add new entries
> to PC_COMPAT_* or new PCMachineClass compat flags. This means
> isapc never guaranteed guest ABI and cross-QEMU-version live
> migration compatibility. There's no point in keeping code for
> kvm-pv-eoi and APIC ID compatibility in pc_init_isa().
>
> Signed-off-by: Eduardo Habkost <address@hidden>
Reviewed-by: Igor Mammedov <address@hidden>
> ---
> hw/i386/pc_piix.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index 9ff79b1fd9..31646e63c4 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -378,8 +378,6 @@ static void pc_compat_0_13(MachineState *machine)
>
> static void pc_init_isa(MachineState *machine)
> {
> - x86_cpu_change_kvm_default("kvm-pv-eoi", NULL);
> - enable_compat_apic_id_mode();
> pc_init1(machine, TYPE_I440FX_PCI_HOST_BRIDGE, TYPE_I440FX_PCI_DEVICE);
> }
>