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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 339FCC5519F for ; Mon, 27 Apr 2020 06:25:08 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 081F3206B6 for ; Mon, 27 Apr 2020 06:25:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="KboSfqXw" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 081F3206B6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=IHHfCEs87PRdDJ4IzLOMWqV88yFa6I1Ub7qG0/4JsZ4=; b=KboSfqXwOTjGRs O4XNMHwKUQsIqdlBmP9g+6qJozvGo2u4rsSwJp4O8w+PvFMu7JNHywdxANR0Hsy4IOfkPLyDzSeZy elRvjSZ1Jyjf7en3PUhj4HIqtXOF8xFznxdHoBExcugoPrcFODE3CxkvhuT+goWM5yUuCRWPsVfh2 ARZNE41wLcBop1OsNtaNGOEMJkw8ItTq1Dd0JhbMZLGNVvP2BEf5ZRj7I4wQfwiRlISEwigIdlpbH UzRCEoRHzBofdH68ZeNodWEN0YMfJXBz19k64LRal96m6WOyCYbSCY16QG+/tz+AtKo4+yxFcJWFq Q/OoF5NPF+GkufaoSHpw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jSxCU-0001DU-8c; Mon, 27 Apr 2020 06:25:06 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jSxCO-0000ML-4s; Mon, 27 Apr 2020 06:25:00 +0000 Date: Sun, 26 Apr 2020 23:25:00 -0700 From: Christoph Hellwig To: Ira Weiny Subject: Re: [PATCH 4/5] arch/kmap_atomic: Consolidate duplicate code Message-ID: <20200427062500.GA32152@infradead.org> References: <20200426055406.134198-1-ira.weiny@intel.com> <20200426055406.134198-5-ira.weiny@intel.com> <20200426072642.GB22024@infradead.org> <20200427011630.GC135929@iweiny-DESK2.sc.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200427011630.GC135929@iweiny-DESK2.sc.intel.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, Christoph Hellwig , Ingo Molnar , linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, Borislav Petkov , Andy Lutomirski , Thomas Gleixner , linux-arm-kernel@lists.infradead.org, Chris Zankel , Thomas Bogendoerfer , linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Apr 26, 2020 at 06:16:30PM -0700, Ira Weiny wrote: > > That might require to support > > kmap_atomic_prot everywhere first, which sounds like a really good > > idea anyway, and would avoid the need for strange workaround in drm. > > Having a kmap_atomic_prot() seems like a good idea. But I'm not exactly sure > why CONFIG_x86 is being called out specifically in the DRM code? Probably because it only existed on x86 back then. And drm has a tendency of working around core problems with hacks instead of doing the fairly easy fixups. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel