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,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 AFF71C28CBC for ; Wed, 6 May 2020 06:14:00 +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 84555206E6 for ; Wed, 6 May 2020 06:14:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="XbotjgPC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 84555206E6 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-snps-arc-bounces+linux-snps-arc=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=/ubHmY3W/exK2oT+9PN7I7v4R1RSZLD1uKBkP76uptk=; b=XbotjgPCW/KUJk Om+YBvt64w2hyFdhC8GHV0VtJjLso2BLoZKTm4y7+qHEIg5VD8N3UI1cP+ylPVcxjgZJ6V5tST8+x qlDJ1aKq09WqQjeOjCkJ1tNqDMYxDHwuJozSFSaioaUTU4P/yeGB6J3ggoO9UFMazf8SyQw98MSew 8hSjcedGhpkkqoLg11FGK92zSIFRdEUogev3rG4b4tAlaz3s/FC11WoSbTB35BFSBPwBAMs+rFDFF xhj1DYGTiShJgh1T5tf1tipl3K0tu8e4XwT+Zd8LW8hIgd/ZZdsqd3kEF/LeXrEeCFEr36//Evbsy g5W4OgEJ/oo7r8HpSMag==; 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 1jWDJf-0005oq-8v; Wed, 06 May 2020 06:13:59 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jWDJ8-0005JQ-4V; Wed, 06 May 2020 06:13:26 +0000 Date: Tue, 5 May 2020 23:13:26 -0700 From: Christoph Hellwig To: ira.weiny@intel.com Subject: Re: [PATCH V2 08/11] arch/kmap: Ensure kmap_prot visibility Message-ID: <20200506061326.GD5192@infradead.org> References: <20200504010912.982044-1-ira.weiny@intel.com> <20200504010912.982044-9-ira.weiny@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200504010912.982044-9-ira.weiny@intel.com> X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Zijlstra , Benjamin Herrenschmidt , Dave Hansen , dri-devel@lists.freedesktop.org, linux-mips@vger.kernel.org, "James E.J. Bottomley" , Max Filippov , Huang Rui , Paul Mackerras , "H. Peter Anvin" , sparclinux@vger.kernel.org, Dan Williams , Helge Deller , x86@kernel.org, linux-csky@vger.kernel.org, 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, Christian Koenig , Andrew Morton , linuxppc-dev@lists.ozlabs.org, "David S. Miller" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org On Sun, May 03, 2020 at 06:09:09PM -0700, ira.weiny@intel.com wrote: > From: Ira Weiny > > We want to support kmap_atomic_prot() on all architectures and it makes > sense to define kmap_atomic() to use the default kmap_prot. > > So we ensure all arch's have a globally available kmap_prot either as a > define or exported symbol. FYI, I still think a #ifndef kmap_prot #define kmap_prot PAGE_KERNEL #endif in linux/highmem.h would be nicer. Then only xtensa and sparc need to override it and clearly stand out. _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc