Re: [Qemu-devel] [PATCH] Generate PCI hotplug interrupt only if corespondent EN bit is set.

[Marcelo Tosatti]

ACK

On Thu, Feb 12, 2009 at 10:10:36AM +0200, Gleb Natapov wrote:
> Signed-off-by: Gleb Natapov <address@hidden>
> ---
> 
>  hw/acpi.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/acpi.c b/hw/acpi.c
> index 5eac1ad..2375f20 100644
> --- a/hw/acpi.c
> +++ b/hw/acpi.c
> @@ -724,27 +724,27 @@ void qemu_system_hot_add_init(void)
>  static void enable_device(struct pci_status *p, struct gpe_regs *g, int slot)
>  {
>      g->sts |= 2;
> -    g->en |= 2;
>      p->up |= (1 << slot);
>  }
>  
>  static void disable_device(struct pci_status *p, struct gpe_regs *g, int 
> slot)
>  {
>      g->sts |= 2;
> -    g->en |= 2;
>      p->down |= (1 << slot);
>  }
>  
>  void qemu_system_device_hot_add(int bus, int slot, int state)
>  {
> -    qemu_set_irq(pm_state->irq, 1);
>      pci0_status.up = 0;
>      pci0_status.down = 0;
>      if (state)
>          enable_device(&pci0_status, &gpe, slot);
>      else
>          disable_device(&pci0_status, &gpe, slot);
> -    qemu_set_irq(pm_state->irq, 0);
> +    if (gpe.en & 2) {
> +        qemu_set_irq(pm_state->irq, 1);
> +        qemu_set_irq(pm_state->irq, 0);
> +    }
>  }
>  
>  struct acpi_table_header
> 
>