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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 73D0AC3B186 for ; Mon, 10 Feb 2020 10:00:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 41ADF24650 for ; Mon, 10 Feb 2020 10:00:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581328804; bh=Dn46n2AYSU+Z2vVl+we06BNQDli46LIuwB29XqOrtZs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=npABeT/Coa6CPAOgfBt2OtIeKXdjoGgx5Q9tIi6XsBlbJdJDCkWKxp83W8oZ6riCV Bjw3oEAQ5/Ix1VYSfNPyahfAIcGJUe/NXA5SMtAHqsX7mpEouf5EhXbRD2Q+AuoVMk 4rtB0dNot1V2Fha8qxoWpX+TYuqR4+LBdnq4ejao= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727490AbgBJKAD (ORCPT ); Mon, 10 Feb 2020 05:00:03 -0500 Received: from mail.kernel.org ([198.145.29.99]:35178 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726451AbgBJKAD (ORCPT ); Mon, 10 Feb 2020 05:00:03 -0500 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 681D1208C4; Mon, 10 Feb 2020 10:00:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581328802; bh=Dn46n2AYSU+Z2vVl+we06BNQDli46LIuwB29XqOrtZs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=xvupraef/J5VNBksDf2N2owNALT325yZj25BG93XIBMcTAKsB8SzyYZvunwJ6Wjrg eI8dvJJTfu7dNBhBuRYP4DjhoFvE41BYy/dRv9qxoB0tiHyBDW6X7z1xyswhZtoWw2 wGvV7tOl3q7l1mwiZ2Zk6ZD1r/MiR7y62HKLUPGk= Date: Mon, 10 Feb 2020 09:59:56 +0000 From: Will Deacon To: Masahiro Yamada Cc: Peter Zijlstra , Linus Torvalds , Linux Kernel Mailing List , linux-arch , Android Kernel Team , Michael Ellerman , Segher Boessenkool , Christian Borntraeger , Luc Van Oostenryck , Arnd Bergmann , Peter Oberparleiter , Nick Desaulniers Subject: Re: [PATCH v2 00/10] Rework READ_ONCE() to improve codegen Message-ID: <20200210095956.GA15056@willie-the-truck> References: <20200123153341.19947-1-will@kernel.org> <20200124083307.GA14914@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 10, 2020 at 06:50:53PM +0900, Masahiro Yamada wrote: > On Fri, Jan 24, 2020 at 5:33 PM Peter Zijlstra wrote: > > > > On Thu, Jan 23, 2020 at 09:59:03AM -0800, Linus Torvalds wrote: > > > On Thu, Jan 23, 2020 at 7:33 AM Will Deacon wrote: > > > > > > > > This is version two of the patches I previously posted as an RFC here: > > > > > > Looks fine to me, as far as I can tell, > > > > Awesome, I've picked them up with a target for tip/locking/core. > > Were they really picked up? > > The MW is closed now, but I do not them in Linus' tree. > I do not see them even in linux-next. We ended up running into build issues with m68k which took quite a bit of effort to fix, so that meant we missed the merge window. It also seems that we've now run into similar looking issues for sparc32 :( Will