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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7FF30C7EE29 for ; Thu, 25 May 2023 14:00:12 +0000 (UTC) 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=D8Q6xqzbX2rpge/nP74fBXhOOPTacM1bDRT7syyuxmM=; b=u9veJ9ubvFNDCK LGXp+76KajQm98KbeRmXe5KhYSj4BkDF/0bKqcqweRs+B+PEX2jxI3KwCa2G7fyoAFRgyDlVX6UyV nyTbiZ66hPS5fcPGNwDQ1Et7FY0ulWTGQpgVVkhcHgDd9MKX/nlScgv6X+ZCRItyn2ThlmnqutgNV fCfmQI/nkxKYJfy1PPLW+hlvC9hhZgzk8qyLJfKqazUdYbs1uwEhL5FONGcl9ErRx16bQiTc3AY/v yqnHDwGvLVrafw02ryljADbZV4aEn8peWA8aQUhpRIGg/npeoNtGX/pDtKSj/HVQezBECEqn2FsNC aHM8oZF9SdrEX6+CkMNw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q2BVG-00Gmmv-0y; Thu, 25 May 2023 13:59:42 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q2BVD-00Gmm1-1o for linux-arm-kernel@lists.infradead.org; Thu, 25 May 2023 13:59:41 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 3A94068AFE; Thu, 25 May 2023 15:59:31 +0200 (CEST) Date: Thu, 25 May 2023 15:59:31 +0200 From: Christoph Hellwig To: Catalin Marinas Cc: Linus Torvalds , Christoph Hellwig , Robin Murphy , Arnd Bergmann , Greg Kroah-Hartman , Will Deacon , Marc Zyngier , Andrew Morton , Herbert Xu , Ard Biesheuvel , Isaac Manjarres , Saravana Kannan , Alasdair Kergon , Daniel Vetter , Joerg Roedel , Mark Brown , Mike Snitzer , "Rafael J. Wysocki" , linux-mm@kvack.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v5 02/15] dma: Allow dma_get_cache_alignment() to be overridden by the arch code Message-ID: <20230525135931.GA15012@lst.de> References: <20230524171904.3967031-1-catalin.marinas@arm.com> <20230524171904.3967031-3-catalin.marinas@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230524171904.3967031-3-catalin.marinas@arm.com> 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-20230525_065939_767512_1A0DE0D9 X-CRM114-Status: GOOD ( 14.69 ) 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 Wed, May 24, 2023 at 06:18:51PM +0100, Catalin Marinas wrote: > On arm64, ARCH_DMA_MINALIGN is larger than most cache line size > configurations deployed. Allow an architecture to override > dma_get_cache_alignment() in order to return a run-time probed value > (e.g. cache_line_size()). > > Signed-off-by: Catalin Marinas > Cc: Christoph Hellwig > Cc: Robin Murphy > Cc: Will Deacon Looks good: Reviewed-by: Christoph Hellwig _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel