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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: Tue, 05 Jun 2012 12:56:10 +1000
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Subject: Re: [Qemu-devel] [RFC PATCH] PCI: Introduce INTx check & mask API
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To: Alexander Graf <agraf@suse.de>
Cc: kvm@vger.kernel.org, Alexey Kardashevskiy <aik@ozlabs.ru>, Jan Kiszka <jan.kiszka@siemens.com>, qemu-devel@nongnu.org, Alex Williamson <alex.williamson@redhat.com>, David Gibson <david@gibson.dropbear.id.au>

On Tue, 2012-06-05 at 03:44 +0200, Alexander Graf wrote:
> Wouldn't the "no LSI" setting be a flag to the vfio configuration? So
> when you set up the device group, you say "this group can only do
> MSI". That way the interface would be sysfs and QEMU wouldn't have
> anything to do with it :)

Sure whatever ;-)

There need to be some validity checking in the kernel to see if we can
safely mask those interrupts too, etc...

Cheers,
Ben.