linux-kernel - Re: [PATCH 0/5] vfio/pci: add blocklist and disable qat

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Message-ID: <20200701124209.GA12512@infradead.org>
Date:   Wed, 1 Jul 2020 13:42:09 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     Giovanni Cabiddu <giovanni.cabiddu@...el.com>
Cc:     alex.williamson@...hat.com, herbert@...dor.apana.org.au,
        cohuck@...hat.com, nhorman@...hat.com, vdronov@...hat.com,
        bhelgaas@...gle.com, mark.a.chambers@...el.com,
        gordon.mcfadden@...el.com, ahsan.atta@...el.com,
        qat-linux@...el.com, kvm@...r.kernel.org,
        linux-crypto@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] vfio/pci: add blocklist and disable qat

On Wed, Jul 01, 2020 at 12:02:57PM +0100, Giovanni Cabiddu wrote:
> This patchset defines a blocklist of devices in the vfio-pci module and adds
> the current generation of Intel(R) QuickAssist devices to it as they are
> not designed to run in an untrusted environment.

How can they not be safe?  If any device is not safe to assign the
whole vfio concept has major issues that we need to fix for real instead
of coming up with quirk lists for specific IDs.