From mboxrd@z Thu Jan 1 00:00:00 1970 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 smtp.subspace.kernel.org (Postfix) with ESMTPS id 6CDC17F8 for ; Sat, 20 May 2023 06:14:47 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 2CC3A68CFE; Sat, 20 May 2023 08:14:42 +0200 (CEST) Date: Sat, 20 May 2023 08:14:41 +0200 From: Christoph Hellwig To: Catalin Marinas Cc: Linus Torvalds , Arnd Bergmann , Christoph Hellwig , 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" , Robin Murphy , linux-mm@kvack.org, iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH v4 02/15] dma: Allow dma_get_cache_alignment() to return the smaller cache_line_size() Message-ID: <20230520061441.GA1100@lst.de> References: <20230518173403.1150549-1-catalin.marinas@arm.com> <20230518173403.1150549-3-catalin.marinas@arm.com> <20230520054209.GA319@lst.de> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230520054209.GA319@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) On Sat, May 20, 2023 at 07:42:09AM +0200, Christoph Hellwig wrote: > yet another abstraction? That might also be able to repace > ARCH_DMA_MINALIGN in follow on cleanup. Looking at the rest of the series, this part is obviously not going to work..