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=-2.3 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 B32A3C2BB54 for ; Wed, 8 Apr 2020 12:24:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8EE472082D for ; Wed, 8 Apr 2020 12:24:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728026AbgDHMYE (ORCPT ); Wed, 8 Apr 2020 08:24:04 -0400 Received: from verein.lst.de ([213.95.11.211]:41940 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727717AbgDHMYE (ORCPT ); Wed, 8 Apr 2020 08:24:04 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 450A868C4E; Wed, 8 Apr 2020 14:23:57 +0200 (CEST) Date: Wed, 8 Apr 2020 14:23:56 +0200 From: Christoph Hellwig To: Peter Zijlstra Cc: Christoph Hellwig , Andrew Morton , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , x86@kernel.org, David Airlie , Daniel Vetter , Laura Abbott , Sumit Semwal , Sakari Ailus , Minchan Kim , Nitin Gupta , Robin Murphy , Christophe Leroy , linuxppc-dev@lists.ozlabs.org, linux-hyperv@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 17/28] mm: remove the prot argument from vm_map_ram Message-ID: <20200408122356.GA13282@lst.de> References: <20200408115926.1467567-1-hch@lst.de> <20200408115926.1467567-18-hch@lst.de> <20200408122104.GZ20713@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200408122104.GZ20713@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Wed, Apr 08, 2020 at 02:21:04PM +0200, Peter Zijlstra wrote: > On Wed, Apr 08, 2020 at 01:59:15PM +0200, Christoph Hellwig wrote: > > This is always GFP_KERNEL - for long term mappings with other properties > > vmap should be used. > > PAGE_KERNEL != GFP_KERNEL :-) Yep. The compiler complained about that a few times :) From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH 17/28] mm: remove the prot argument from vm_map_ram Date: Wed, 8 Apr 2020 14:23:56 +0200 Message-ID: <20200408122356.GA13282@lst.de> References: <20200408115926.1467567-1-hch@lst.de> <20200408115926.1467567-18-hch@lst.de> <20200408122104.GZ20713@hirez.programming.kicks-ass.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from verein.lst.de ([213.95.11.211]:41940 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727717AbgDHMYE (ORCPT ); Wed, 8 Apr 2020 08:24:04 -0400 Content-Disposition: inline In-Reply-To: <20200408122104.GZ20713@hirez.programming.kicks-ass.net> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Peter Zijlstra Cc: Christoph Hellwig , Andrew Morton , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , x86@kernel.org, David Airlie , Daniel Vetter , Laura Abbott , Sumit Semwal , Sakari Ailus , Minchan Kim , Nitin Gupta , Robin Murphy , Christophe Leroy , linuxppc-dev@lists.ozlabs.org, linux-hyperv@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-arch@vger.kernel.org, linux-mm@kvack.org On Wed, Apr 08, 2020 at 02:21:04PM +0200, Peter Zijlstra wrote: > On Wed, Apr 08, 2020 at 01:59:15PM +0200, Christoph Hellwig wrote: > > This is always GFP_KERNEL - for long term mappings with other properties > > vmap should be used. > > PAGE_KERNEL != GFP_KERNEL :-) Yep. The compiler complained about that a few times :) 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=-2.3 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 20EB6C2BA1A for ; Wed, 8 Apr 2020 12:24:08 +0000 (UTC) Received: from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137]) (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 DF7E92082F for ; Wed, 8 Apr 2020 12:24:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DF7E92082F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by fraxinus.osuosl.org (Postfix) with ESMTP id A58C084E49; Wed, 8 Apr 2020 12:24:07 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from fraxinus.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9ALWEmQr7QaT; Wed, 8 Apr 2020 12:24:06 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by fraxinus.osuosl.org (Postfix) with ESMTP id A222E84D9A; Wed, 8 Apr 2020 12:24:06 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 95388C1D7E; Wed, 8 Apr 2020 12:24:06 +0000 (UTC) Received: from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id 9F2A4C0177 for ; Wed, 8 Apr 2020 12:24:05 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by silver.osuosl.org (Postfix) with ESMTP id 9632A204DD for ; Wed, 8 Apr 2020 12:24:05 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from silver.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id XJSMd3TPok8C for ; Wed, 8 Apr 2020 12:24:04 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by silver.osuosl.org (Postfix) with ESMTPS id 37BFE2048D for ; Wed, 8 Apr 2020 12:24:04 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 450A868C4E; Wed, 8 Apr 2020 14:23:57 +0200 (CEST) Date: Wed, 8 Apr 2020 14:23:56 +0200 From: Christoph Hellwig To: Peter Zijlstra Subject: Re: [PATCH 17/28] mm: remove the prot argument from vm_map_ram Message-ID: <20200408122356.GA13282@lst.de> References: <20200408115926.1467567-1-hch@lst.de> <20200408115926.1467567-18-hch@lst.de> <20200408122104.GZ20713@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200408122104.GZ20713@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.17 (2007-11-01) Cc: linux-hyperv@vger.kernel.org, David Airlie , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, "K. Y. Srinivasan" , Sumit Semwal , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Wei Liu , Stephen Hemminger , x86@kernel.org, Christoph Hellwig , Laura Abbott , Nitin Gupta , Daniel Vetter , Haiyang Zhang , linaro-mm-sig@lists.linaro.org, bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Christophe Leroy , Robin Murphy , linux-kernel@vger.kernel.org, Minchan Kim , iommu@lists.linux-foundation.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Wed, Apr 08, 2020 at 02:21:04PM +0200, Peter Zijlstra wrote: > On Wed, Apr 08, 2020 at 01:59:15PM +0200, Christoph Hellwig wrote: > > This is always GFP_KERNEL - for long term mappings with other properties > > vmap should be used. > > PAGE_KERNEL != GFP_KERNEL :-) Yep. The compiler complained about that a few times :) _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu 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=-2.3 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 36AC0C2BB1D for ; Wed, 8 Apr 2020 13:47:37 +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 E416320780 for ; Wed, 8 Apr 2020 13:47:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E416320780 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 lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48y5F061mCzDqSp for ; Wed, 8 Apr 2020 23:47:32 +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 48y3Nn3kLzzDqMV for ; Wed, 8 Apr 2020 22:24:07 +1000 (AEST) Received: by verein.lst.de (Postfix, from userid 2407) id 450A868C4E; Wed, 8 Apr 2020 14:23:57 +0200 (CEST) Date: Wed, 8 Apr 2020 14:23:56 +0200 From: Christoph Hellwig To: Peter Zijlstra Subject: Re: [PATCH 17/28] mm: remove the prot argument from vm_map_ram Message-ID: <20200408122356.GA13282@lst.de> References: <20200408115926.1467567-1-hch@lst.de> <20200408115926.1467567-18-hch@lst.de> <20200408122104.GZ20713@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200408122104.GZ20713@hirez.programming.kicks-ass.net> 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-hyperv@vger.kernel.org, David Airlie , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, "K. Y. Srinivasan" , Sumit Semwal , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Wei Liu , Stephen Hemminger , x86@kernel.org, Christoph Hellwig , Laura Abbott , Nitin Gupta , Daniel Vetter , Haiyang Zhang , linaro-mm-sig@lists.linaro.org, bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Robin Murphy , linux-kernel@vger.kernel.org, Minchan Kim , iommu@lists.linux-foundation.org, Sakari Ailus , Andrew Morton , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, Apr 08, 2020 at 02:21:04PM +0200, Peter Zijlstra wrote: > On Wed, Apr 08, 2020 at 01:59:15PM +0200, Christoph Hellwig wrote: > > This is always GFP_KERNEL - for long term mappings with other properties > > vmap should be used. > > PAGE_KERNEL != GFP_KERNEL :-) Yep. The compiler complained about that a few times :) 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=-2.3 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,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 06B98C2BA2B for ; Wed, 8 Apr 2020 12:24:08 +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 BB0A620780 for ; Wed, 8 Apr 2020 12:24:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="DrPo8sm0" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BB0A620780 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de 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=8Ek3bYKljbT+luYwbJ7tXfa2nOIFHwdqFv34WSm1swU=; b=DrPo8sm0V3ASIr Zn82WLZzkHlucP9f8BD8th6PtevsUajO+IOoesos7OxYX3oHOTNZ0x6yQzmVnaxMrkxwqN5rVRbRR criK3YWj6OdtBIDNkIfzRVmxrB4y5p6ijjmjjOAieaoUvaIde3HorDoOv33VTxS+4kovTZ8eVb8oH J5MiFZONLUK8/ROM+y9ICpuuK4rwB+va2QRfauuXivD7Y26Qk6hjC0MDprweJIMJ3bidnweMZLGaN yh2VVwotoIbSZPW0SZo84/SQ99iU0BzdaFOdstjIdZU9892Qhs/i1MkvKIJLZOnblMAAEQUWwwPkm 8YwQFzO+ITRDqM/W0f1g==; 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 1jM9kV-0000mX-D2; Wed, 08 Apr 2020 12:24:07 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jM9kS-0000lR-0T for linux-arm-kernel@lists.infradead.org; Wed, 08 Apr 2020 12:24:05 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 450A868C4E; Wed, 8 Apr 2020 14:23:57 +0200 (CEST) Date: Wed, 8 Apr 2020 14:23:56 +0200 From: Christoph Hellwig To: Peter Zijlstra Subject: Re: [PATCH 17/28] mm: remove the prot argument from vm_map_ram Message-ID: <20200408122356.GA13282@lst.de> References: <20200408115926.1467567-1-hch@lst.de> <20200408115926.1467567-18-hch@lst.de> <20200408122104.GZ20713@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200408122104.GZ20713@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200408_052404_196710_CDC2C728 X-CRM114-Status: UNSURE ( 8.41 ) X-CRM114-Notice: Please train this message. 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: linux-hyperv@vger.kernel.org, David Airlie , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, "K. Y. Srinivasan" , Sumit Semwal , linux-arch@vger.kernel.org, linux-s390@vger.kernel.org, Wei Liu , Stephen Hemminger , x86@kernel.org, Christoph Hellwig , Laura Abbott , Nitin Gupta , Daniel Vetter , Haiyang Zhang , linaro-mm-sig@lists.linaro.org, bpf@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Christophe Leroy , Robin Murphy , linux-kernel@vger.kernel.org, Minchan Kim , iommu@lists.linux-foundation.org, Sakari Ailus , Andrew Morton , linuxppc-dev@lists.ozlabs.org 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 Wed, Apr 08, 2020 at 02:21:04PM +0200, Peter Zijlstra wrote: > On Wed, Apr 08, 2020 at 01:59:15PM +0200, Christoph Hellwig wrote: > > This is always GFP_KERNEL - for long term mappings with other properties > > vmap should be used. > > PAGE_KERNEL != GFP_KERNEL :-) Yep. The compiler complained about that a few times :) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel