Message-ID: <1380752155.645.73.camel@pasglop>
Subject: Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on
 some powernv systems
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Gleb Natapov <gleb@redhat.com>
Cc: Michael Ellerman <michael@ellerman.id.au>, Alexander Graf <agraf@suse.de>,
        Paolo Bonzini <pbonzini@redhat.com>, Paul Mackerras <paulus@samba.org>,
        linux-kernel@vger.kernel.org, mpm@selenic.com,
        herbert@gondor.hengli.com.au, linuxppc-dev@ozlabs.org,
        kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, tytso@mit.edu
Date: Thu, 03 Oct 2013 08:15:55 +1000
In-Reply-To: <20131002141032.GI17294@redhat.com>
References: <20131001083908.GA17294@redhat.com>
	 <1380620338.645.22.camel@pasglop> <524AAFAA.3010801@redhat.com>
	 <20131002050940.GA25363@drongo> <524BDD73.3020106@redhat.com>
	 <1380704789.645.57.camel@pasglop>
	 <668E4650-BC22-4CBF-A282-E7875DF29DB6@suse.de>
	 <3CBF5732-E7EE-4C96-8132-6D7B77270DAF@suse.de>
	 <20131002100224.GF17294@redhat.com> <1380722275.12149.28.camel@concordia>
	 <20131002141032.GI17294@redhat.com>
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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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