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 68A0CC433F5 for ; Fri, 11 Mar 2022 10:23:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242417AbiCKKYB (ORCPT ); Fri, 11 Mar 2022 05:24:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347835AbiCKKXo (ORCPT ); Fri, 11 Mar 2022 05:23:44 -0500 X-Greylist: delayed 64 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Fri, 11 Mar 2022 02:22:40 PST Received: from esa11.hc1455-7.c3s2.iphmx.com (esa11.hc1455-7.c3s2.iphmx.com [207.54.90.137]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CC965F5B for ; Fri, 11 Mar 2022 02:22:38 -0800 (PST) X-IronPort-AV: E=McAfee;i="6200,9189,10282"; a="45468770" X-IronPort-AV: E=Sophos;i="5.90,173,1643641200"; d="scan'208";a="45468770" Received: from unknown (HELO yto-r4.gw.nic.fujitsu.com) ([218.44.52.220]) by esa11.hc1455-7.c3s2.iphmx.com with ESMTP; 11 Mar 2022 19:21:33 +0900 Received: from yto-m4.gw.nic.fujitsu.com (yto-nat-yto-m4.gw.nic.fujitsu.com [192.168.83.67]) by yto-r4.gw.nic.fujitsu.com (Postfix) with ESMTP id 99104E05CC for ; Fri, 11 Mar 2022 19:21:32 +0900 (JST) Received: from yto-om1.fujitsu.com (yto-om1.o.css.fujitsu.com [10.128.89.162]) by yto-m4.gw.nic.fujitsu.com (Postfix) with ESMTP id BFDBFEA177 for ; Fri, 11 Mar 2022 19:21:31 +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 7FA0F406139C9; Fri, 11 Mar 2022 19:21:31 +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 Cc: tarumizu.kohei@fujitsu.com Subject: [PATCH v2 4/8] arm64: Add Kconfig/Makefile to build hardware prefetch control driver Date: Fri, 11 Mar 2022 19:19:36 +0900 Message-Id: <20220311101940.3403607-5-tarumizu.kohei@fujitsu.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220311101940.3403607-1-tarumizu.kohei@fujitsu.com> References: <20220311101940.3403607-1-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 arm64 support. This also adds a MAINTAINERS entry. Signed-off-by: Kohei Tarumizu --- MAINTAINERS | 1 + arch/arm64/Kconfig | 7 +++++++ arch/arm64/kernel/Makefile | 1 + 3 files changed, 9 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 213537cea2e2..7eb530f5b301 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8455,6 +8455,7 @@ K: (devm_)?hwmon_device_(un)?register(|_with_groups|_with_info) HARDWARE PREFETCH CONTROL DRIVERS M: Kohei Tarumizu S: Maintained +F: arch/arm64/kernel/pfctl.c F: drivers/base/pfctl.c F: include/linux/pfctl.h diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 09b885cc4db5..da6bf7e75df6 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -36,6 +36,7 @@ config ARM64 select ARCH_HAS_SET_DIRECT_MAP select ARCH_HAS_SET_MEMORY select ARCH_STACKWALK + select ARCH_HAS_HWPF_CONTROL select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_SYNC_DMA_FOR_DEVICE @@ -2027,6 +2028,12 @@ config STACKPROTECTOR_PER_TASK def_bool y depends on STACKPROTECTOR && CC_HAVE_STACKPROTECTOR_SYSREG +config ARM64_HWPF_CONTROL + tristate "ARM64 Hardware Prefetch Control support" + depends on HWPF_CONTROL + help + This adds Hardware Prefetch driver control support for ARM64. + endmenu menu "Boot options" diff --git a/arch/arm64/kernel/Makefile b/arch/arm64/kernel/Makefile index 88b3e2a21408..d5eb1dc6bfa6 100644 --- a/arch/arm64/kernel/Makefile +++ b/arch/arm64/kernel/Makefile @@ -73,6 +73,7 @@ obj-$(CONFIG_ARM64_PTR_AUTH) += pointer_auth.o obj-$(CONFIG_ARM64_MTE) += mte.o obj-y += vdso-wrap.o obj-$(CONFIG_COMPAT_VDSO) += vdso32-wrap.o +obj-$(CONFIG_ARM64_HWPF_CONTROL) += pfctl.o obj-y += probes/ head-y := head.o -- 2.27.0