From mboxrd@z Thu Jan 1 00:00:00 1970 From: Catalin Marinas Subject: Re: [PATCH] mm: generalize ZONE_[DMA|DMA32] Date: Thu, 27 May 2021 18:43:21 +0100 Message-ID: <20210527174321.GI8661@arm.com> References: <20210527143047.123611-1-wangkefeng.wang@huawei.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <20210527143047.123611-1-wangkefeng.wang@huawei.com> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Kefeng Wang Cc: Andrew Morton , linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, Will Deacon , Geert Uytterhoeven , Thomas Bogendoerfer , "David S. Miller" , Ingo Molnar , Borislav Petkov , Palmer Dabbelt , Richard Henderson , Russell King On Thu, May 27, 2021 at 10:30:47PM +0800, Kefeng Wang wrote: > ZONE_[DMA|DMA32] configs have duplicate definitions on platforms > that subscribe them. Instead, just make them generic options which > can be selected on applicable platforms. > > Also only x86/arm64 architectures could enable both ZONE_DMA and > ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone > configurable and visible on the two architectures. > > Cc: Andrew Morton > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Geert Uytterhoeven > Cc: Thomas Bogendoerfer > Cc: "David S. Miller" > Cc: Ingo Molnar > Cc: Borislav Petkov > Cc: Palmer Dabbelt > Cc: Richard Henderson > Cc: Russell King > Signed-off-by: Kefeng Wang For arm64: Acked-by: Catalin Marinas From mboxrd@z Thu Jan 1 00:00:00 1970 From: Catalin Marinas Date: Thu, 27 May 2021 17:43:21 +0000 Subject: Re: [PATCH] mm: generalize ZONE_[DMA|DMA32] Message-Id: <20210527174321.GI8661@arm.com> List-Id: References: <20210527143047.123611-1-wangkefeng.wang@huawei.com> In-Reply-To: <20210527143047.123611-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Kefeng Wang Cc: Andrew Morton , linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, Will Deacon , Geert Uytterhoeven , Thomas Bogendoerfer , "David S. Miller" , Ingo Molnar , Borislav Petkov , Palmer Dabbelt , Richard Henderson , Russell King On Thu, May 27, 2021 at 10:30:47PM +0800, Kefeng Wang wrote: > ZONE_[DMA|DMA32] configs have duplicate definitions on platforms > that subscribe them. Instead, just make them generic options which > can be selected on applicable platforms. > > Also only x86/arm64 architectures could enable both ZONE_DMA and > ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone > configurable and visible on the two architectures. > > Cc: Andrew Morton > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Geert Uytterhoeven > Cc: Thomas Bogendoerfer > Cc: "David S. Miller" > Cc: Ingo Molnar > Cc: Borislav Petkov > Cc: Palmer Dabbelt > Cc: Richard Henderson > Cc: Russell King > Signed-off-by: Kefeng Wang For arm64: Acked-by: Catalin Marinas 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=-10.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 40CECC4707F for ; Thu, 27 May 2021 18:58:37 +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 03B79611C9 for ; Thu, 27 May 2021 18:58:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 03B79611C9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=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.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=Z+kARQPj3yK27nluPIHJMN9xz1l8ZRVPfIsliAiDqvg=; b=RulLQvotymBOoG a2LYz4P0rYzjBzNanPowc8Q1q7tMJDSM4tdDV7SiCzECxxU5gOC+sfJvc/Fvn2lbUW4WIH2Kl9lAS tt9894TZyOtrP7RFhJHXXbnY8Qyk7j8Dm8DtYZUiGOdSSD+NWIU+v98Md4G9SAI+rb/Kfdc3DDdEC PB6Gylr+T5plXn9WV/BCCRFRcMk6I0LHLWVm0Ncyz1bHMMk6PfK3jWptxo+ftSyFajAf0yEuxjBXd vYtEOlwOBGpyXUbsdkwWE5fLvqCvnfjPjyE/efMd52RrKDOR8sUGsmqfI5lIoTvh5WkcfasHICOOz oC6D9EawX5s6+a5abHYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmLD5-008jgl-2k; Thu, 27 May 2021 18:58:23 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmK2a-008C5n-T3; Thu, 27 May 2021 17:43:30 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id B02F6610A0; Thu, 27 May 2021 17:43:23 +0000 (UTC) Date: Thu, 27 May 2021 18:43:21 +0100 From: Catalin Marinas To: Kefeng Wang Cc: Andrew Morton , linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, Will Deacon , Geert Uytterhoeven , Thomas Bogendoerfer , "David S. Miller" , Ingo Molnar , Borislav Petkov , Palmer Dabbelt , Richard Henderson , Russell King Subject: Re: [PATCH] mm: generalize ZONE_[DMA|DMA32] Message-ID: <20210527174321.GI8661@arm.com> References: <20210527143047.123611-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210527143047.123611-1-wangkefeng.wang@huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210527_104329_001719_9C348B11 X-CRM114-Status: GOOD ( 10.51 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, May 27, 2021 at 10:30:47PM +0800, Kefeng Wang wrote: > ZONE_[DMA|DMA32] configs have duplicate definitions on platforms > that subscribe them. Instead, just make them generic options which > can be selected on applicable platforms. > > Also only x86/arm64 architectures could enable both ZONE_DMA and > ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone > configurable and visible on the two architectures. > > Cc: Andrew Morton > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Geert Uytterhoeven > Cc: Thomas Bogendoerfer > Cc: "David S. Miller" > Cc: Ingo Molnar > Cc: Borislav Petkov > Cc: Palmer Dabbelt > Cc: Richard Henderson > Cc: Russell King > Signed-off-by: Kefeng Wang For arm64: Acked-by: Catalin Marinas _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 C8B43C4707F for ; Thu, 27 May 2021 17:43:54 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 E58AE6052B for ; Thu, 27 May 2021 17:43:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E58AE6052B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4FrZtc46Bkz307j for ; Fri, 28 May 2021 03:43:52 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=cmarinas@kernel.org; receiver=) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (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 4FrZtB2gRJz2yjY for ; Fri, 28 May 2021 03:43:30 +1000 (AEST) Received: by mail.kernel.org (Postfix) with ESMTPSA id B02F6610A0; Thu, 27 May 2021 17:43:23 +0000 (UTC) Date: Thu, 27 May 2021 18:43:21 +0100 From: Catalin Marinas To: Kefeng Wang Subject: Re: [PATCH] mm: generalize ZONE_[DMA|DMA32] Message-ID: <20210527174321.GI8661@arm.com> References: <20210527143047.123611-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210527143047.123611-1-wangkefeng.wang@huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) 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-s390@vger.kernel.org, Thomas Bogendoerfer , linux-ia64@vger.kernel.org, Russell King , Will Deacon , Palmer Dabbelt , linux-mips@vger.kernel.org, "David S. Miller" , linux-mm@kvack.org, linux-m68k@lists.linux-m68k.org, Ingo Molnar , Geert Uytterhoeven , linux-alpha@vger.kernel.org, sparclinux@vger.kernel.org, Borislav Petkov , Andrew Morton , linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Richard Henderson Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Thu, May 27, 2021 at 10:30:47PM +0800, Kefeng Wang wrote: > ZONE_[DMA|DMA32] configs have duplicate definitions on platforms > that subscribe them. Instead, just make them generic options which > can be selected on applicable platforms. > > Also only x86/arm64 architectures could enable both ZONE_DMA and > ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone > configurable and visible on the two architectures. > > Cc: Andrew Morton > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Geert Uytterhoeven > Cc: Thomas Bogendoerfer > Cc: "David S. Miller" > Cc: Ingo Molnar > Cc: Borislav Petkov > Cc: Palmer Dabbelt > Cc: Richard Henderson > Cc: Russell King > Signed-off-by: Kefeng Wang For arm64: Acked-by: Catalin Marinas 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=-10.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 1470EC4707F for ; Thu, 27 May 2021 18:59:04 +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 C57CA611C9 for ; Thu, 27 May 2021 18:59:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C57CA611C9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=xxlsrAGlcjUwjFTgWH76Wa/TK6lrsitsrtv5URuh0s0=; b=BsxdzicBhsqjTe ebMPQfbAyfUYsPaEI+Gr+Kg5RuerBC0wt7nEBLS1vcdTbY7XQKx+0ErB4pftDiPXG2iwoGD0cJZ0Z /lHc/1Xtt7b/RSTVkAYRbyi/uUumjmAPzfy089pqcGqZOx2mhTSMlM2pHPnNbz58dVE+aJ1QWExAN GeL/e9CMaOg5ednTfq1kSWxjfXWgYJERXIcURuOjO053xinn7EmRxoySLdJqCQs38nuU6jjL8FHcS pXInibthty6k7vBOr8gTyczs/BgP9YHIVIRAjGH50n2xX4SXoWWH6DPH2xvgsnKT+m9Tvq2S7QCQG c4Bog2R4hp2RQLLeLjDA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmLBY-008j1n-Tk; Thu, 27 May 2021 18:56:50 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lmK2a-008C5n-T3; Thu, 27 May 2021 17:43:30 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id B02F6610A0; Thu, 27 May 2021 17:43:23 +0000 (UTC) Date: Thu, 27 May 2021 18:43:21 +0100 From: Catalin Marinas To: Kefeng Wang Cc: Andrew Morton , linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-mm@kvack.org, Will Deacon , Geert Uytterhoeven , Thomas Bogendoerfer , "David S. Miller" , Ingo Molnar , Borislav Petkov , Palmer Dabbelt , Richard Henderson , Russell King Subject: Re: [PATCH] mm: generalize ZONE_[DMA|DMA32] Message-ID: <20210527174321.GI8661@arm.com> References: <20210527143047.123611-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210527143047.123611-1-wangkefeng.wang@huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210527_104329_001719_9C348B11 X-CRM114-Status: GOOD ( 10.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, May 27, 2021 at 10:30:47PM +0800, Kefeng Wang wrote: > ZONE_[DMA|DMA32] configs have duplicate definitions on platforms > that subscribe them. Instead, just make them generic options which > can be selected on applicable platforms. > > Also only x86/arm64 architectures could enable both ZONE_DMA and > ZONE_DMA32 if EXPERT, add ARCH_HAS_ZONE_DMA_SET to make dma zone > configurable and visible on the two architectures. > > Cc: Andrew Morton > Cc: Catalin Marinas > Cc: Will Deacon > Cc: Geert Uytterhoeven > Cc: Thomas Bogendoerfer > Cc: "David S. Miller" > Cc: Ingo Molnar > Cc: Borislav Petkov > Cc: Palmer Dabbelt > Cc: Richard Henderson > Cc: Russell King > Signed-off-by: Kefeng Wang For arm64: Acked-by: Catalin Marinas _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel