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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, 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 1A610C47255 for ; Mon, 11 May 2020 15:18:52 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 C49AF206D3 for ; Mon, 11 May 2020 15:18:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C49AF206D3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49LPj51Q62zDr6y for ; Tue, 12 May 2020 01:18:49 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 49LPbY4b2JzDqDp for ; Tue, 12 May 2020 01:14:01 +1000 (AEST) Received: by verein.lst.de (Postfix, from userid 2407) id B6F0368BFE; Mon, 11 May 2020 17:13:56 +0200 (CEST) Date: Mon, 11 May 2020 17:13:56 +0200 From: Christoph Hellwig To: Geert Uytterhoeven Subject: Re: sort out the flush_icache_range mess Message-ID: <20200511151356.GB28634@lst.de> References: <20200510075510.987823-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "linux-ia64@vger.kernel.org" , Linux-sh list , Roman Zippel , "open list:BROADCOM NVRAM DRIVER" , Linux MM , sparclinux , linux-riscv@lists.infradead.org, Christoph Hellwig , Linux-Arch , linux-c6x-dev@linux-c6x.org, "open list:QUALCOMM HEXAGON..." , the arch/x86 maintainers , "open list:TENSILICA XTENSA PORT \(xtensa\)" , Arnd Bergmann , Jessica Yu , linux-um , linux-m68k , Openrisc , Linux ARM , Michal Simek , Linux Kernel Mailing List , alpha , Linux FS Devel , Andrew Morton , linuxppc-dev Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Mon, May 11, 2020 at 09:46:17AM +0200, Geert Uytterhoeven wrote: > Hi Christoph, > > On Sun, May 10, 2020 at 9:55 AM Christoph Hellwig wrote: > > none of which really are used by a typical MMU enabled kernel, as a.out can > > only be build for alpha and m68k to start with. > > Quoting myself: > "I think it's safe to assume no one still runs a.out binaries on m68k." > http://lore.kernel.org/r/CAMuHMdW+m0Q+j3rsQdMXnrEPm+XB5Y2AQrxW5sD1mZAKgmEqoA@mail.gmail.com Do you want to drop the: select HAVE_AOUT if MMU for m68k then? Note that we'll still need flush_icache_user_range for m68k with mmu, as it also allows binfmt_flat for mmu configs.