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=-9.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 1C336C433E0 for ; Wed, 20 Jan 2021 14:27:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D315E23380 for ; Wed, 20 Jan 2021 14:27:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390525AbhATOZj (ORCPT ); Wed, 20 Jan 2021 09:25:39 -0500 Received: from mail.kernel.org ([198.145.29.99]:36036 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732989AbhATOHh (ORCPT ); Wed, 20 Jan 2021 09:07:37 -0500 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5051223340; Wed, 20 Jan 2021 13:54:59 +0000 (UTC) Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1l2Dwn-008xaY-2s; Wed, 20 Jan 2021 13:54:57 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Wed, 20 Jan 2021 13:54:57 +0000 From: Marc Zyngier To: Will Deacon Cc: Andre Przywara , Russell King , Catalin Marinas , Ard Biesheuvel , kernel-team@android.com, Theodore Ts'o , Mark Brown , Sudeep Holla , linux-kernel@vger.kernel.org, Linus Walleij , kvmarm@lists.cs.columbia.edu, Lorenzo Pieralisi , linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v6 0/5] ARM: arm64: Add SMCCC TRNG entropy service In-Reply-To: <20210120134904.GA20315@willie-the-truck> References: <20210106103453.152275-1-andre.przywara@arm.com> <161114590396.218530.9227813162726341261.b4-ty@kernel.org> <20210120134524.0c47139a@slackpad.fritz.box> <20210120134904.GA20315@willie-the-truck> User-Agent: Roundcube Webmail/1.4.10 Message-ID: <9d451a24ed4c6348ea3fbea732644d15@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: will@kernel.org, andre.przywara@arm.com, linux@armlinux.org.uk, catalin.marinas@arm.com, ardb@kernel.org, kernel-team@android.com, tytso@mit.edu, broonie@kernel.org, sudeep.holla@arm.com, linux-kernel@vger.kernel.org, linus.walleij@linaro.org, kvmarm@lists.cs.columbia.edu, lorenzo.pieralisi@arm.com, linux-arm-kernel@lists.infradead.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021-01-20 13:49, Will Deacon wrote: > On Wed, Jan 20, 2021 at 01:45:24PM +0000, Andre Przywara wrote: >> On Wed, 20 Jan 2021 13:26:26 +0000 >> Marc Zyngier wrote: >> >> Hi, >> >> > On 2021-01-20 13:01, Will Deacon wrote: >> > > On Wed, 6 Jan 2021 10:34:48 +0000, Andre Przywara wrote: >> > >> a fix to v5, now *really* fixing the wrong priority of SMCCC vs. >> > >> RNDR in arch_get_random_seed_long_early(). Apologies for messing >> > >> this up in v5 and thanks to broonie for being on the watch! >> > >> >> > >> Will, Catalin: it would be much appreciated if you could consider >> > >> taking >> > >> patch 1/5. This contains the common definitions, and is a >> > >> prerequisite for every other patch, although they are somewhat >> > >> independent and likely >> > >> will need to go through different subsystems. >> > >> >> > >> [...] >> > > >> > > Applied the first patch only to arm64 (for-next/rng), thanks! >> > > >> > > [1/5] firmware: smccc: Add SMCCC TRNG function call IDs >> > > https://git.kernel.org/arm64/c/67c6bb56b649 >> > >> > I can't see how the rest of the patches can go via any other tree >> > if all the definitions are in the first one. >> > >> > Andre, can you explain what your plan is? >> >> Well, I don't really have a great solution for that, other than hoping >> that 1/5 makes it into Linus' master at some point. >> >> I see that it's a stretch, but pulling 1/5 into 5.11 now would >> prepare the stage for the others to go via any tree, into 5.12-rc1? >> >> Or you could maybe take both 1/5 and 5/5 into your kvm-arm tree, and >> would hope that a git rebase later would sort this out for you? >> >> But I think you are much more experienced in those kind of issues, so >> happy to hear about any other solutions. > > for-next/rng is a stable branch, so anybody who wants the first patch > can > just pull it (without anything I queue on top). OK. I'll pull that branch and stash the KVM stuff on top. Thanks, M. -- Jazz is not dead. It just smells funny...