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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E2EEC433EF for ; Wed, 20 Apr 2022 03:04:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359173AbiDTDGr (ORCPT ); Tue, 19 Apr 2022 23:06:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35900 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1359111AbiDTDGT (ORCPT ); Tue, 19 Apr 2022 23:06:19 -0400 Received: from esa2.hc1455-7.c3s2.iphmx.com (esa2.hc1455-7.c3s2.iphmx.com [207.54.90.48]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85DFB393FA for ; Tue, 19 Apr 2022 20:03:33 -0700 (PDT) X-IronPort-AV: E=McAfee;i="6400,9594,10322"; a="70387751" X-IronPort-AV: E=Sophos;i="5.90,274,1643641200"; d="scan'208";a="70387751" Received: from unknown (HELO oym-r2.gw.nic.fujitsu.com) ([210.162.30.90]) by esa2.hc1455-7.c3s2.iphmx.com with ESMTP; 20 Apr 2022 12:02:31 +0900 Received: from oym-m3.gw.nic.fujitsu.com (oym-nat-oym-m3.gw.nic.fujitsu.com [192.168.87.60]) by oym-r2.gw.nic.fujitsu.com (Postfix) with ESMTP id 20974DB9F5 for ; Wed, 20 Apr 2022 12:02:30 +0900 (JST) Received: from yto-om1.fujitsu.com (yto-om1.o.css.fujitsu.com [10.128.89.162]) by oym-m3.gw.nic.fujitsu.com (Postfix) with ESMTP id 4B28FD95F6 for ; Wed, 20 Apr 2022 12:02:29 +0900 (JST) Received: from cn-r05-10.example.com (n3235113.np.ts.nmh.cs.fujitsu.co.jp [10.123.235.113]) by yto-om1.fujitsu.com (Postfix) with ESMTP id EBFCB4060ED87; Wed, 20 Apr 2022 12:02:28 +0900 (JST) From: Kohei Tarumizu To: 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, fenghua.yu@intel.com, reinette.chatre@intel.com Cc: tarumizu.kohei@fujitsu.com Subject: [PATCH v3 8/9] x86: Add Kconfig/Makefile to build hardware prefetch control driver Date: Wed, 20 Apr 2022 12:02:22 +0900 Message-Id: <20220420030223.689259-9-tarumizu.kohei@fujitsu.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220420030223.689259-1-tarumizu.kohei@fujitsu.com> References: <20220420030223.689259-1-tarumizu.kohei@fujitsu.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds Kconfig/Makefile to build hardware prefetch control driver for x86 support. This also adds a MAINTAINERS entry. Signed-off-by: Kohei Tarumizu --- MAINTAINERS | 1 + arch/x86/Kconfig | 6 ++++++ arch/x86/kernel/cpu/Makefile | 2 ++ 3 files changed, 9 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index b359dcc38be3..4de219599e52 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8618,6 +8618,7 @@ K: (devm_)?hwmon_device_(un)?register(|_with_groups|_with_info) HARDWARE PREFETCH CONTROL DRIVERS M: Kohei Tarumizu S: Maintained +F: arch/x86/kernel/cpu/x86-pfctl.c F: drivers/base/pfctl.c F: drivers/soc/fujitsu/a64fx-pfctl.c F: include/linux/pfctl.h diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b0142e01002e..1ef47c29c338 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1359,6 +1359,12 @@ config X86_CPUID with major 203 and minors 0 to 31 for /dev/cpu/0/cpuid to /dev/cpu/31/cpuid. +config X86_HWPF_CONTROL + tristate "x86 Hardware Prefetch Control support" + depends on HWPF_CONTROL + help + This adds Hardware Prefetch driver control support for X86. + choice prompt "High Memory Support" default HIGHMEM4G diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile index 9661e3e802be..1aa13dad17a3 100644 --- a/arch/x86/kernel/cpu/Makefile +++ b/arch/x86/kernel/cpu/Makefile @@ -56,6 +56,8 @@ obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o obj-$(CONFIG_HYPERVISOR_GUEST) += vmware.o hypervisor.o mshyperv.o obj-$(CONFIG_ACRN_GUEST) += acrn.o +obj-$(CONFIG_X86_HWPF_CONTROL) += x86-pfctl.o + ifdef CONFIG_X86_FEATURE_NAMES quiet_cmd_mkcapflags = MKCAP $@ cmd_mkcapflags = $(CONFIG_SHELL) $(srctree)/$(src)/mkcapflags.sh $@ $^ -- 2.27.0