Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933748AbbDJOyW (ORCPT ); Fri, 10 Apr 2015 10:54:22 -0400 Received: from www62.your-server.de ([213.133.104.62]:44786 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933648AbbDJOyS (ORCPT ); Fri, 10 Apr 2015 10:54:18 -0400 Message-ID: <5527E411.3090806@iogearbox.net> Date: Fri, 10 Apr 2015 16:54:09 +0200 From: Daniel Borkmann User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: Stephan Mueller CC: Hannes Frederic Sowa , mancha , tytso@mit.edu, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, herbert@gondor.apana.org.au, dborkman@redhat.com Subject: Re: [BUG/PATCH] kernel RNG and its secrets References: <20150318095345.GA12923@zoho.com> <2115964.QxtQ6rHSkc@tauon> <5527E22C.9080909@iogearbox.net> <2604864.n87lBBrmsR@tauon> In-Reply-To: <2604864.n87lBBrmsR@tauon> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1311 Lines: 35 On 04/10/2015 04:50 PM, Stephan Mueller wrote: > Am Freitag, 10. April 2015, 16:46:04 schrieb Daniel Borkmann: > > Hi Daniel, > >> On 04/10/2015 04:36 PM, Stephan Mueller wrote: >>> Am Freitag, 10. April 2015, 16:26:00 schrieb Hannes Frederic Sowa: >> ... >> >>>> I suspected a problem in how volatile with non-present output args could >>>> be different, but this seems not to be the case. >>>> >>>> I would contact llvm/clang mailing list and ask. Maybe there is a >>>> problem? It seems kind of strange to me... >> >> +1 >> >>> Do you really think this is a compiler issue? >> >> If clang/LLVM advertises "GCC compatibility", then this would >> certainly be a different behavior. > > As you wish. I will contact the clang folks. As the proposed fix is not super > urgend, I think we can leave it until I got word from clang. Okay, that would be good, please let us know. I believe there's certainly effort in the direction of an official kernel clang/LLVM support, but not officially supported yet. If we could get some clarification on the issue, even better. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/