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From: "Paolo Bonzini" <pbonzini@redhat.com>
To: Laszlo Ersek <lersek@redhat.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc: "qemu devel list" <qemu-devel@nongnu.org>,
	"Daniel P. Berrange" <berrange@redhat.com>,
	edk2-devel-groups-io <devel@edk2.groups.io>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	"Bret Barkelew" <Bret.Barkelew@microsoft.com>,
	"Sean Brogan" <sean.brogan@microsoft.com>,
	"Jian J Wang" <jian.j.wang@intel.com>,
	"Erik Bjorge" <erik.c.bjorge@intel.com>
Subject: Re: privileged entropy sources in QEMU/KVM guests
Date: Thu, 7 Nov 2019 14:58:26 +0100	[thread overview]
Message-ID: <659cd76f-2f46-1e08-342b-ee2fa0877fd8@redhat.com> (raw)
In-Reply-To: <421cf4ef-ea84-c7e6-81aa-c24a91459de5@redhat.com>

On 07/11/19 14:27, Laszlo Ersek wrote:
> The VirtioRngDxe driver is a UEFI driver that follows the UEFI driver
> model. Meaning (in this context), it is connected to the virtio-rng
> device in the BDS phase, by platform BDS code.
> 
> Put differently, the non-privileged driver that's the source of the
> sensitive data would have to be a "platform DXE driver". The virtio
> drivers are not such drivers however.

Yes, it would have to be a platform DXE driver.  What is it that limits
virtio to the BDS phase?

Paolo

  reply	other threads:[~2019-11-07 13:58 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-07 10:10 privileged entropy sources in QEMU/KVM guests Laszlo Ersek
2019-11-07 10:18 ` Dr. David Alan Gilbert
2019-11-07 11:19   ` Laszlo Ersek
2019-11-07 11:36     ` Dr. David Alan Gilbert
2019-11-07 10:25 ` Ard Biesheuvel
2019-11-07 11:37   ` Paolo Bonzini
2019-11-07 11:55     ` Daniel P. Berrangé
2019-11-07 12:50       ` Paolo Bonzini
2019-11-07 13:33         ` Laszlo Ersek
2019-11-07 13:27     ` Laszlo Ersek
2019-11-07 13:58       ` Paolo Bonzini [this message]
2019-11-07 15:11         ` Laszlo Ersek
2019-11-07 11:58   ` Laszlo Ersek
2019-11-07 11:52 ` Daniel P. Berrangé
2019-11-07 12:47   ` Paolo Bonzini
2019-11-07 13:44     ` Laszlo Ersek
2019-11-07 13:54       ` Daniel P. Berrangé
2019-11-07 14:09       ` Ard Biesheuvel

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