Re: [patch 4/6] Use global properties to emulate -no-kvm-pit-reinjection

[Anthony Liguori <aliguori@us.ibm.com>]

Marcelo Tosatti <mtosatti@redhat.com> writes:

> Commit 80019541e9c13fab476bee35edcef3e11646222c from qemu-kvm.git.
>
> From: Jan Kiszka <jan.kiszka@siemens.com>
>
> Use global properties to emulate -no-kvm-pit-reinjection
>
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>

Regards,

Anthony Liguori

>
> Index: qemu-compat-kvm/vl.c
> ===================================================================
> --- qemu-compat-kvm.orig/vl.c
> +++ qemu-compat-kvm/vl.c
> @@ -3071,6 +3071,21 @@ int main(int argc, char **argv, char **e
>                          "separately.\n");
>                  break;
>              }
> +            case QEMU_OPTION_no_kvm_pit_reinjection: {
> +                static GlobalProperty kvm_pit_lost_tick_policy[] = {
> +                    {
> +                        .driver   = "kvm-pit",
> +                        .property = "lost_tick_policy",
> +                        .value    = "discard",
> +                    },
> +                    { /* end of list */ }
> +                };
> +
> +                fprintf(stderr, "Warning: option deprecated, use "
> +                        "lost_tick_policy property of kvm-pit instead.\n");
> +                qdev_prop_register_global_list(kvm_pit_lost_tick_policy);
> +                break;
> +            }
>              case QEMU_OPTION_usb:
>                  usb_enabled = 1;
>                  break;
> Index: qemu-compat-kvm/qemu-options.hx
> ===================================================================
> --- qemu-compat-kvm.orig/qemu-options.hx
> +++ qemu-compat-kvm/qemu-options.hx
> @@ -2844,7 +2844,10 @@ DEF("no-kvm-irqchip", 0, QEMU_OPTION_no_
>  DEF("no-kvm-pit", 0, QEMU_OPTION_no_kvm_pit,
>      "-no-kvm-pit     disable KVM kernel mode PIT\n",
>      QEMU_ARCH_I386)
> -
> +DEF("no-kvm-pit-reinjection", 0, QEMU_OPTION_no_kvm_pit_reinjection,
> +    "-no-kvm-pit-reinjection\n"
> +    "                disable KVM kernel mode PIT interrupt reinjection\n",
> +    QEMU_ARCH_I386)
>  
>  HXCOMM This is the last statement. Insert new options before this line!
>  STEXI
>
>
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