From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63C76C4708F for ; Wed, 2 Jun 2021 22:07:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 356FE601FD for ; Wed, 2 Jun 2021 22:07:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 356FE601FD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Date:Cc:To:From:Subject:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ZkXlJ0XO1QrsQTaXI6piHOoik+szP6ehFCzSdCCI+JQ=; b=k7487a3C9fbW9W FH8nTpZlU8Q/UwhgZcSdBOSpFDfSYS525L7V7N2QUCr6VJkilxFzkVgrFoUj00NEcgw4lsO0LZbZY n6DUaHzEzLrjxW5XycAFyIl0/8CM4NXE5QjgXd3ixwomANk3Xgakz4shTNK3/qEkymYRypBLmOn/u QEVn1Rsgbj1OlDEyhlXZxnh7duBo4u6FwWiOGMP4gaFtRUQxdBhycPp8fYrxUEhAELIBpPDbztmaN Qw78a7t5hVte+uyyV/SrNjqucbhocEcLVr91RvDddEO/OXyJvjXiO9J6HaX6h5MHUSTIOboxc7vWY 9g3JxTuQz2oVPuTaep5A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loZ01-006K4O-Ls; Wed, 02 Jun 2021 22:06:05 +0000 Received: from gate.crashing.org ([63.228.1.57]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loYzy-006K3m-7h for linux-arm-kernel@lists.infradead.org; Wed, 02 Jun 2021 22:06:03 +0000 Received: from ip6-localhost (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id 152M4inT001765; Wed, 2 Jun 2021 17:04:45 -0500 Message-ID: <2ae9253c6f5753c13a7ed755ab0c67316c06d9b0.camel@kernel.crashing.org> Subject: Re: RNDR/SS vs. SMCCC From: Benjamin Herrenschmidt To: Ard Biesheuvel , Andre Przywara Cc: Mark Brown , Will Deacon , "Saidi, Ali" , Linux ARM Date: Thu, 03 Jun 2021 08:04:43 +1000 In-Reply-To: References: <7d5697f3994fc1f9cf39d332525269056e3649b3.camel@kernel.crashing.org> <0339748b54e2faeddeec8d50e32a6c6ff4e8b3b7.camel@kernel.crashing.org> <20210531020235.6e4ea946@slackpad.fritz.box> User-Agent: Evolution 3.36.4-0ubuntu1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_150602_524251_852401E7 X-CRM114-Status: UNSURE ( 7.41 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 2021-05-31 at 07:24 +0200, Ard Biesheuvel wrote: > > The SMCCC interface was created not as an alternative/complement to > RNDR/RNDRRS, but to codify what several partners (including AWS) were > doing at the time: Talking of which, any particular reasons not to have (happy to contribute ours) a /dev/hwrng wrapper around SMCCC ? For various "gov compliance" kind of thing it's useful in addition to seeding the kernel CRNG. Cheers, Ben. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel