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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 B0120C4321D for ; Thu, 23 Aug 2018 14:45:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 20AD4208F7 for ; Thu, 23 Aug 2018 14:45:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 20AD4208F7 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-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732521AbeHWSO7 (ORCPT ); Thu, 23 Aug 2018 14:14:59 -0400 Received: from gate.crashing.org ([63.228.1.57]:42816 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732373AbeHWSO7 (ORCPT ); Thu, 23 Aug 2018 14:14:59 -0400 Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id w7NEfLRi023954; Thu, 23 Aug 2018 09:41:22 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id w7NEfImD023951; Thu, 23 Aug 2018 09:41:18 -0500 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Thu, 23 Aug 2018 09:41:18 -0500 From: Segher Boessenkool To: Andrew Donnellan Cc: Michael Ellerman , Russell Currey , "Aneesh Kumar K.V" , Benjamin Herrenschmidt , Paul Mackerras , aneesh.kumar@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Christophe LEROY Subject: Re: [PATCH v2 3/4] powerpc/mm: fix a warning when a cache is common to PGD and hugepages Message-ID: <20180823144118.GU24439@gate.crashing.org> References: <2f96bf1a8df1091c642de099ed07c34b5ab9b90a.1534258290.git.christophe.leroy@c-s.fr> <4aaca2d27429e6bdadc340fd3b96e7c350c4b2f4.1534258290.git.christophe.leroy@c-s.fr> <6dea8d0c-c4ab-49aa-da26-a729c18fa818@linux.ibm.com> <006e5f33-b816-7508-faac-da26a860659c@c-s.fr> <3e6412ac-c645-908f-a3bb-c9a2a72f4b68@linux.ibm.com> <20180823103625.GR24439@gate.crashing.org> <8ada20e9-3bc1-fdaf-d78f-2f5a317e8216@c-s.fr> <87a7pdl2jy.fsf@concordia.ellerman.id.au> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.4.2.3i Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 23, 2018 at 11:32:16PM +1000, Andrew Donnellan wrote: > On 23/08/18 21:56, Michael Ellerman wrote: > >Christophe LEROY writes: > > > >>Le 23/08/2018 à 12:36, Segher Boessenkool a écrit : > >>>On Thu, Aug 23, 2018 at 11:40:22AM +0200, Christophe LEROY wrote: > >>>>The only small problème I have is that some version of GCC seems to > >>>>complain about big memset() (132k and 256k ones). Is there a way to tell > >>>>GCC we really want to do it ? > >>> > >>>I'm not sure what you mean. Complain, is that a warning, is that an > >>>error? > >>>What does it say? Do you have some example code to reproduce it? Etc. > >> > >>I saw the warnings in the checks at > >>https://patchwork.ozlabs.org/patch/957566/ > >>Unfortunatly the link is now broken. > > > >ruscur/ajd any idea what happened to the snowpatch links here? > > I think they've disappeared because our log rotation is too fast - I've > now upped it to 30 days. I guess over time we'll figure out what we need > in this regard, ideally we'd keep logs indefinitely but they're several > megs per build. > > I've kicked off another build for this series and the links in Patchwork > should update to point to the new job when it's done (probably in the > next couple of hours). It's back, thanks Andrew! The warnings are not from GCC at all: the warnings are from sparse. Segher