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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> 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) X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 86D03C000A X-Stat-Signature: jirst1jqpocwpc4ha3i16rmpiibdrr41 X-HE-Tag: 1684563286-850510 X-HE-Meta: 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 OvgqJ3D2 3eNvOlJE32oP7StRwX8OjskCpKcHFTLSSaaOlAbQU7n/QSj47O9Qze0ZlDAgc+pp3vM+Oxbb472F5AV7fLpzpzqUaReq0MC0sKO2HCUFvbYmn8QI= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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..