linux-kernel - Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems

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Message-ID: <1380752155.645.73.camel@pasglop>
Date:	Thu, 03 Oct 2013 08:15:55 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Gleb Natapov <gleb@...hat.com>
Cc:	Michael Ellerman <michael@...erman.id.au>,
	Alexander Graf <agraf@...e.de>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	linux-kernel@...r.kernel.org, mpm@...enic.com,
	herbert@...dor.hengli.com.au, linuxppc-dev@...abs.org,
	kvm@...r.kernel.org, kvm-ppc@...r.kernel.org, tytso@....edu
Subject: Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on
 some powernv systems

On Wed, 2013-10-02 at 17:10 +0300, Gleb Natapov wrote:
> > The hwrng is accessible by host userspace via /dev/mem.
> > 
> Regular user has no access to /dev/mem, but he can start kvm guest and
> gain access to the device.

Seriously. You guys are really trying hard to make our life hell or
what ? That discussion about access permissions makes no sense
whatsoever. Please stop.

Ben.


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