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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,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 167F6C433E0 for ; Wed, 17 Jun 2020 14:15:06 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BD14F20734 for ; Wed, 17 Jun 2020 14:15:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ellerman.id.au header.i=@ellerman.id.au header.b="SxAHuubO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BD14F20734 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 5DF536B0026; Wed, 17 Jun 2020 10:15:05 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 58FE56B0027; Wed, 17 Jun 2020 10:15:05 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 4A5AC6B0028; Wed, 17 Jun 2020 10:15:05 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0202.hostedemail.com [216.40.44.202]) by kanga.kvack.org (Postfix) with ESMTP id 2E2516B0026 for ; Wed, 17 Jun 2020 10:15:05 -0400 (EDT) Received: from smtpin07.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id AA59FFDDAA for ; Wed, 17 Jun 2020 14:15:04 +0000 (UTC) X-FDA: 76938900528.07.wing32_501866226e08 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin07.hostedemail.com (Postfix) with ESMTP id 906B91802CCD4 for ; Wed, 17 Jun 2020 14:13:25 +0000 (UTC) X-HE-Tag: wing32_501866226e08 X-Filterd-Recvd-Size: 2074 Received: from ozlabs.org (ozlabs.org [203.11.71.1]) by imf19.hostedemail.com (Postfix) with ESMTP for ; Wed, 17 Jun 2020 14:13:24 +0000 (UTC) Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 49n6VR1MmCz9sRf; Thu, 18 Jun 2020 00:13:19 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ellerman.id.au; s=201909; t=1592403200; bh=iKIq8vuYeYX0Liw4N1hUdZiiIKKAWR4aRgSKwYCo4VU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=SxAHuubOLTxXEBrKZxUGgkOv8/nYpMumvh7ICW2/2wVzLDnDbDd6MLaJ8ygYP5CBc 3RzbyVwNnFrQhvPChoX94B0TVOMOjbHKC3OPSSoZscEyAmtIbsfIfen2waMuGmx01A mUt6pGk7kzqo+FzmX89QPR97jG6AnB/MNDDeNCjg0Fvl3fOelQk8w8pI1WJWJvQYNm 06ipbGO6rHZs/5xywfkrK3cFItbvH9K9MsnPtQipCZa64HA/H5//iunD4Xw0Hyx1sJ Fv0imAEyiD/9VTj4mmRZMfJIMglU0jbeXswqj1HjOzwOIorDnwsH49nAH+jK0WNuSX RSuTm1LS9eJTA== From: Michael Ellerman To: Christophe Leroy , Benjamin Herrenschmidt , Paul Mackerras , Will Deacon , Andrew Morton , "Peter Zijlstra \(Intel\)" Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org Subject: Re: [PATCH 0/3] Fix build failure with v5.8-rc1 In-Reply-To: References: Date: Thu, 18 Jun 2020 00:13:45 +1000 Message-ID: <871rmdeq5i.fsf@mpe.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Queue-Id: 906B91802CCD4 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Christophe Leroy writes: > Commit 2ab3a0a02905 ("READ_ONCE: Enforce atomicity for > {READ,WRITE}_ONCE() memory accesses") leads to following build > failure on powerpc 8xx. I've put this in my fixes branch. cheers