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=-12.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 6C553C47092 for ; Tue, 1 Jun 2021 18:24:01 +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 38725613B4 for ; Tue, 1 Jun 2021 18:24:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 38725613B4 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ILxjD3nwtsexEoAv3H4GY3XtRzYyKvMbD5rYF/WqE3c=; b=Jn2XGN+/elh4kj p+5XcLJMfdUjXuolF/6j+mp/qVHGFPsTlJFZCdjUGnua1da8LjSdlpZ7+QSM4U6CL5SztyBi/p8kd GXn2X79c11M90lkYOjvdk9nrIO+9YhQ/CtZZBoS83GYGirFO21odav493a5J1IHcNZIg54ExGb/jq ZpNjtVYKDdrzDV2uzP+g0BxhRMyX7QO4oSDC28JFHXOI7UgF31DzuCd8K6UHo0VP/fnFdpO2qInoz yFtLm+xgas5Kk/Uk+Pp97ih/Plu10b4rzutD9ydYGgPZocD/PR9d/eGyDPy3hUzHG/2T5AoONfqIP ByUeRgCbDDPYlywZXJmA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lo927-000KNQ-0Z; Tue, 01 Jun 2021 18:22:31 +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 1lo912-000Jn6-5X for linux-arm-kernel@lists.infradead.org; Tue, 01 Jun 2021 18:21:25 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6A371613BD; Tue, 1 Jun 2021 18:21:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622571683; bh=5P0FMWQUuzOdXTrag/C+gfqvxjqGMcXIiwhr5lp8fDM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gYV1R37EsmzGD4in7Q98kircY1WLs5ByZ9UedJEY6lrT4V8RIkXq6c002EPvyWv6M 9FQ25RN+LksqBF9EqZYNVZn8BBFEQMmwlPjwiaXU5TYrr28OxZ59XZS7S/ILhA6Ntn JxaVxq2+hSB0EhnSB8aVW8rOL0Ra3tB61uZfkz6chYQwOAnJPFD7m0jZALExyBKEp7 Sxr8C00cxuPNjxDhWj4yNInQFsoRNItBhSEqdqTjb62LH28GVnkia9V4Ttge9dYnzf kemlMYI6da9Ng7GZamGL3am/OR6ildQLwf4ARE2JI/r2HohMO5Dj5fW7v2Xm2/10QV UOXHsPNDulAGQ== From: Will Deacon To: linux-arm-kernel@lists.infradead.org, Will Deacon Cc: catalin.marinas@arm.com, kernel-team@android.com, Mark Rutland , Ard Biesheuvel , Vincent Whitchurch , Arnd Bergmann Subject: Re: [PATCH] arm64: cache: Lower ARCH_DMA_MINALIGN to 64 (L1_CACHE_BYTES) Date: Tue, 1 Jun 2021 19:21:03 +0100 Message-Id: <162257013414.1431356.17844112681193130013.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210527124356.22367-1-will@kernel.org> References: <20210527124356.22367-1-will@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210601_112124_251259_83A94083 X-CRM114-Status: UNSURE ( 7.85 ) X-CRM114-Notice: Please train this message. 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, 27 May 2021 13:43:56 +0100, Will Deacon wrote: > Back in 97303480753e ("arm64: Increase the max granular size"), > ARCH_DMA_MINALIGN was effectively increased to 128 bytes thanks to an > increase in L1_CACHE_BYTES due to an unsubstantiated performance claim > on the now obsolete ThunderX-1. Although this was reverted in > d93277b9839b, ARCH_DMA_MINALIGN was kept at 128 bytes by ebc7e21e0fa2 > ("arm64: Increase ARCH_DMA_MINALIGN to 128"). > > [...] Applied to arm64 (for-next/mm), thanks! [1/1] arm64: cache: Lower ARCH_DMA_MINALIGN to 64 (L1_CACHE_BYTES) https://git.kernel.org/arm64/c/65688d2a05de Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel