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Date: Wed, 08 Jun 2011 14:28:38 +0200
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH 2/7] msi: Guard msi/msix_write_config with
	msi_present
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To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: qemu-devel <qemu-devel@nongnu.org>, "Michael S. Tsirkin" <mst@redhat.com>

> @@ -1173,12 +1173,8 @@ static int intel_hda_exit(PCIDevice *pci)
>   static void intel_hda_write_config(PCIDevice *pci, uint32_t addr,
>                                      uint32_t val, int len)
>   {
> -    IntelHDAState *d = DO_UPCAST(IntelHDAState, pci, pci);
> -
>       pci_default_write_config(pci, addr, val, len);
> -    if (d->msi) {
> -        msi_write_config(pci, addr, val, len);
> -    }
> +    msi_write_config(pci, addr, val, len);
>   }

Nothing device specific left in there now.  If msi_write_config() checks 
itself whenever msi is enabled or not we could call it from 
pci_default_write_config(), then zap this function altogether, no?

cheers,
   Gerd