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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FFA0C433F5 for ; Thu, 4 Nov 2021 17:14:00 +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 6A17C60720 for ; Thu, 4 Nov 2021 17:14:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 6A17C60720 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=4GNsky7J0ivj6n+Mt1aw1aSlNvnkBR8/MoVQF3q9YFA=; b=eNyRBHfee/ySs0 hSIfypiHDGggnc7SclliqoHgBYn0RkmDHw+7wkd2enD7g1j5KwYAB0c3GYEZCV3zR09PX3WLjTp44 1B8AllZdeh7/1b7QsVYiHpzmfrU83rxpP97eIo68IveNAmyPm5JT9hbD4Ray0BO6fgar3j4+UNUgL 2WNAy0MmoJeYbvQQV/gMEJiN85d2+2KjpODjQ2cQiGg+Rh0cpObiwFby7xsD+P2NpOdo9vOzzRhvl sUHRrfmV/Ey050YEsr1A9BAiK3n6sqdkccKQtKHSh72cUOjy0m5CDIEqZbfcEBQpgunDhYkAcDqp5 +gsiYuWlETkLtjWy4MAA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1migHy-009byg-Gp; Thu, 04 Nov 2021 17:12:34 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1migHv-009bxj-BT for linux-arm-kernel@bombadil.infradead.org; Thu, 04 Nov 2021 17:12:31 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=9VoUCNEvC7s72t3c4Uy85VU6W4p5k7FpHEk2kB6sWKQ=; b=e8cRG5MmYmv9I0UPZN+Ic29Drr cdu2XmwI9BFxaf/ffBvCtcY8EOci8tjRH4WQZbDWs96//bBlRlyrzwELFVtJ3BfqGOBVeYAh8cEb9 LThFqmUYW2ijLd3Tbl5Ga4C4573A7TA1A3pu/odsSLRuGKsAXoqPG9fyuZ1hLMuyZZQ/zx7AUehli FtJXr+cp1cRUgtdtr/nPSeONocCFig/Ep+HgOaHqvT5VYlU2HEXNfj5SfhPEB/l1gvSmPmhf1RcZS apewqPm6C5wLbzpVxUqcctdPf0oQgbIcERvIebiHuP7K9Wiwrkx50IZ0f6cm6xa7KdEVUkf7gNeq9 18+kKrxQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=worktop.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1migFh-0060pl-7E; Thu, 04 Nov 2021 17:10:54 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 875CB98632E; Thu, 4 Nov 2021 18:10:12 +0100 (CET) Date: Thu, 4 Nov 2021 18:10:12 +0100 From: Peter Zijlstra To: Kohei Tarumizu Cc: 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 Subject: Re: [RFC PATCH v2 0/5] Add hardware prefetch driver for A64FX and Intel processors Message-ID: <20211104171012.GC174703@worktop.programming.kicks-ass.net> References: <20211104052122.553868-1-tarumizu.kohei@fujitsu.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20211104052122.553868-1-tarumizu.kohei@fujitsu.com> 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, Nov 04, 2021 at 02:21:17PM +0900, Kohei Tarumizu wrote: > This patch series add hardware prefetch driver register/unregister > function. The purpose of this driver is to provide an interface to > control the hardware prefetch mechanism depending on the application > characteristics. Here you talk about applications.. > An earlier RFC[1], we were suggested that we create a hardware > prefetch directory under /sys/devices/system/cpu/[CPUNUM]/cache. > Hardware prefetch is a cache-related feature, but it does not require > cache sysfs feature. Therefore, we decided to isolate the code. > Specifically, create a directory under cpu/[CPUNUM]. Here you talk about CPUs.. How does that work? _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel