From mboxrd@z Thu Jan 1 00:00:00 1970 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 1D629495CA for ; Thu, 11 Jan 2024 14:50:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="X8FJEJ5z" Received: by smtp.kernel.org (Postfix) with ESMTPS id B5CB9C43399; 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=58hPWif0bJT32T7OOV+cmALx5lR57XsGkAKosD2LuBc=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=X8FJEJ5zF7veCXE4XnBK1whwUqZP5C/IZiSSrnK655xRtahkst6w7nYiYAsaJyB+H WLTEv1H/dIsWhK/2aJs8DyZcEvzRrENAgBm41md9knLwCrb9Af9wNtwE3SBLEzP37t oVHcfx7Ksk1VRReYHuCtccZ4zKzzmLidZkkuX1KppeGbV9G7rrYJbqTyOUtDiRHMFD 3IhI6y90LVFQrWgLvmqamlEgmS8CrdHblulG3yXkNNGddH787+S0U5EkxX+Jy+UKLd +hCadxTPUCCSWr0SG/2T0jNG6OgnRt9iNmuH3HseVHnNdL93+Qgnu6SxlbcvajV/ZJ hruxMK2YXrwAA== 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 A0F63D8C974; 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 RESEND v4 0/2] riscv: errata: thead: use riscv_nonstd_cache_ops for CMO From: patchwork-bot+linux-riscv@kernel.org Message-Id: <170498463765.20080.13600497512635410658.git-patchwork-notify@kernel.org> Date: Thu, 11 Jan 2024 14:50:37 +0000 References: <20231114143338.2406-1-jszhang@kernel.org> In-Reply-To: <20231114143338.2406-1-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 Hello: This series was applied to riscv/linux.git (for-next) by Palmer Dabbelt : On Tue, 14 Nov 2023 22:33:36 +0800 you wrote: > Previously, we use alternative mechanism to dynamically patch > the CMO operations for THEAD C906/C910 during boot for performance > reason. But as pointed out by Arnd, "there is already a significant > cost in accessing the invalidated cache lines afterwards, which is > likely going to be much higher than the cost of an indirect branch". > And indeed, there's no performance difference with GMAC and EMMC per > my test on Sipeed Lichee Pi 4A board. > > [...] Here is the summary with links: - [RESEND,v4,1/2] riscv: errata: thead: use riscv_nonstd_cache_ops for CMO https://git.kernel.org/riscv/c/a4ff64edf9ed - [RESEND,v4,2/2] riscv: errata: thead: use pa based instructions for CMO https://git.kernel.org/riscv/c/3690492612ec You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html