From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: [PATCH 3/3] KVM: PPC: Book3S: Add support for hwrng found on some powernv systems Date: Thu, 03 Oct 2013 08:15:55 +1000 Message-ID: <1380752155.645.73.camel@pasglop> 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> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: Michael Ellerman , Alexander Graf , Paolo Bonzini , Paul Mackerras , 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 To: Gleb Natapov Return-path: In-Reply-To: <20131002141032.GI17294@redhat.com> Sender: kvm-ppc-owner@vger.kernel.org List-Id: kvm.vger.kernel.org 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.