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[23.128.96.18]) by mx.google.com with ESMTP id e11si15401406plh.161.2022.01.25.14.48.22; Tue, 25 Jan 2022 14:48:34 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b="B/dHkEd2"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345815AbiAYPV5 (ORCPT + 99 others); Tue, 25 Jan 2022 10:21:57 -0500 Received: from mga14.intel.com ([192.55.52.115]:47275 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1581988AbiAYPTL (ORCPT ); Tue, 25 Jan 2022 10:19:11 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643123951; x=1674659951; h=message-id:date:mime-version:subject:to:references:from: in-reply-to:content-transfer-encoding; bh=GPPxL2ZojwmxxJ1cd9il9G9ud58L+YhhLQwb2YFZf94=; b=B/dHkEd2PFgkpm2RaDL5kLTfw0Dtmh5l8v7y7ngNx7IAIJL4c8w5f4Cm 8geA0jwV0Ew3EYAYZxxCyhkKSG/7HJedqxZkbUYbitSiWmpSXIDghRHSJ rMwHPxOUWTio1iXhZEwiGlKke99xvQ6BvczL61y6y6V8aSQSI/OdH6ym2 oCG1AyBLfVkDtGflo5qPhksq+CJgya4DeA2uxT/bXwcBqcurR0oo2t/m4 Yn9J+YoHdIS9vfXlNdPtnNvdOgjVNavabE/yLQfZkt2c5JP2/UYBEQEiF JGdqa4lpX0cv18Rvf6UT3/f1PVzP3w8V8wPSOEUxOpxBZSVo8hTfVnCLT g==; X-IronPort-AV: E=McAfee;i="6200,9189,10237"; a="246539878" X-IronPort-AV: E=Sophos;i="5.88,315,1635231600"; d="scan'208";a="246539878" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2022 07:13:01 -0800 X-IronPort-AV: E=Sophos;i="5.88,315,1635231600"; d="scan'208";a="534763336" Received: from jfink-mobl.amr.corp.intel.com (HELO [10.209.2.7]) ([10.209.2.7]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2022 07:13:01 -0800 Message-ID: <931f6d2a-9001-e736-e7e2-7f86f87539cc@intel.com> Date: Tue, 25 Jan 2022 07:12:58 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH 0/8] Add hardware prefetch control driver for arm64 and x86 Content-Language: en-US To: Kohei Tarumizu , catalin.marinas@arm.com, will@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20220125071414.811344-1-tarumizu.kohei@fujitsu.com> From: Dave Hansen In-Reply-To: <20220125071414.811344-1-tarumizu.kohei@fujitsu.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/24/22 23:14, Kohei Tarumizu wrote: > # cat /sys/devices/system/cpu/cpu1/cache/index2/prefetch_control > > hardware_prefetcher_enable=enable > adjacent_cache_line_prefetcher_enable=disable Doesn't this break the one-value-per-file sysfs rules?