linux-kernel - Re: [PATCH v4 2/5] vfio/pci: Add device denylist

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Message-ID: <20200724112832.395f076b.cohuck@redhat.com>
Date:   Fri, 24 Jul 2020 11:28:32 +0200
From:   Cornelia Huck <cohuck@...hat.com>
To:     Giovanni Cabiddu <giovanni.cabiddu@...el.com>
Cc:     alex.williamson@...hat.com, herbert@...dor.apana.org.au,
        nhorman@...hat.com, vdronov@...hat.com, bhelgaas@...gle.com,
        mark.a.chambers@...el.com, gordon.mcfadden@...el.com,
        ahsan.atta@...el.com, fiona.trahe@...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 v4 2/5] vfio/pci: Add device denylist

On Fri, 24 Jul 2020 09:47:57 +0100
Giovanni Cabiddu <giovanni.cabiddu@...el.com> wrote:

> Add denylist of devices that by default are not probed by vfio-pci.
> Devices in this list may be susceptible to untrusted application, even
> if the IOMMU is enabled. To be accessed via vfio-pci, the user has to
> explicitly disable the denylist.
> 
> The denylist can be disabled via the module parameter disable_denylist.
> 
> Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@...el.com>
> ---
>  drivers/vfio/pci/vfio_pci.c | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)

Reviewed-by: Cornelia Huck <cohuck@...hat.com>