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[2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id x20-20020a0cda14000000b0067f507764e8si903933qvj.576.2024.01.11.06.52.57 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Jan 2024 06:52:57 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-23740-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=kDDG1Idg; spf=pass (google.com: domain of linux-kernel+bounces-23740-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-23740-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 1D2831C23DFF for ; Thu, 11 Jan 2024 14:52:57 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 471EA51C32; Thu, 11 Jan 2024 14:50:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="kDDG1Idg" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 61C214B5DD for ; Thu, 11 Jan 2024 14:50:38 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id CEFDCC43330; Thu, 11 Jan 2024 14:50:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704984637; bh=9FCkSsWMxgSl2xN45f2zMDQn+WFyj8ygw9+oME9RILw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=kDDG1Idg184euvVFC9dvpy+WY3Dbc5IuDz1ZOQAtAh7ZQo+fCVzD69aJEOXx4Kma/ TXOoG+hLZVttYmgEWGPbG6IZG2t2Ox6NroG9sT5ccnIdMCs5JJW5IsevZE5oS/3qko 1IRyAGcL2un6j0C4GYzbQzJ/3DYk+aRhYOX/z8ayXTyQhjh7UXHgZrvsD3lpDjS3a4 SKkxtURMJBNVu+1NCb/G0fmxpSfJ3jplaSq0iOkSewlI8wkUUTsvQAWh4dOC2czXWj N8byp1bKmhW2OtAvovnOIPkjBxUBgX6pwfuJD2LpWvJzbWbV52qoruXPX9y5DwDcgj J9zSBwq0yZtMQ== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id BAE18D8C976; Thu, 11 Jan 2024 14:50:37 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v4 0/2] riscv: enable EFFICIENT_UNALIGNED_ACCESS and DCACHE_WORD_ACCESS From: patchwork-bot+linux-riscv@kernel.org Message-Id: <170498463776.20080.6132478533788411387.git-patchwork-notify@kernel.org> Date: Thu, 11 Jan 2024 14:50:37 +0000 References: <20231225044207.3821-1-jszhang@kernel.org> In-Reply-To: <20231225044207.3821-1-jszhang@kernel.org> To: Jisheng Zhang Cc: linux-riscv@lists.infradead.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, linux-kernel@vger.kernel.org, ebiggers@kernel.org, conor.dooley@microchip.com, dqfext@gmail.com Hello: This series was applied to riscv/linux.git (for-next) by Palmer Dabbelt : On Mon, 25 Dec 2023 12:42:05 +0800 you wrote: > Some riscv implementations such as T-HEAD's C906, C908, C910 and C920 > support efficient unaligned access, for performance reason we want > to enable HAVE_EFFICIENT_UNALIGNED_ACCESS on these platforms. To > avoid performance regressions on non efficient unaligned access > platforms, HAVE_EFFICIENT_UNALIGNED_ACCESS can't be globally selected. > > To solve this problem, runtime code patching based on the detected > speed is a good solution. But that's not easy, it involves lots of > work to modify vairous subsystems such as net, mm, lib and so on. > This can be done step by step. > > [...] Here is the summary with links: - [v4,1/2] riscv: introduce RISCV_EFFICIENT_UNALIGNED_ACCESS https://git.kernel.org/riscv/c/b6da6cbe13eb - [v4,2/2] riscv: select DCACHE_WORD_ACCESS for efficient unaligned access HW https://git.kernel.org/riscv/c/d0fdc20b0429 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html