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 BB390C433EF for ; Tue, 25 Jan 2022 07:26:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378098AbiAYH0Q (ORCPT ); Tue, 25 Jan 2022 02:26:16 -0500 Received: from esa7.hc1455-7.c3s2.iphmx.com ([139.138.61.252]:16758 "EHLO esa7.hc1455-7.c3s2.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1444482AbiAYHV6 (ORCPT ); Tue, 25 Jan 2022 02:21:58 -0500 X-Greylist: delayed 432 seconds by postgrey-1.27 at vger.kernel.org; Tue, 25 Jan 2022 02:21:58 EST IronPort-SDR: DO5rrdXVRGdxqfxenqFIhBFYicT9pIjAggEXo2eXaGuXLO5twJoKYAy5umlxekrMFQ8KZNOfIx v955dTAkfR/Cl4/ypzdab2Cb5LH4L2Kq97+m0+w+CTYZAPJ6gazN5A5yzt/W189MOUQ+/Lnhli fQWAzx5tNjqFGci/dcrUmlbmqaGq0IQ43FvDEIH3Gsjczdl1m/3tHqPuB4RijojZWcnYbJvciW A9d/rLC6QJbazKwnzqMViYCNA9jdPrLNCiNe1d5BiQTTUwgRoFuPO5RRyQVMLqQHTgNrEpkGzS o5esxtIvgpMMpDjhThyS/RAQ X-IronPort-AV: E=McAfee;i="6200,9189,10237"; a="39268502" X-IronPort-AV: E=Sophos;i="5.88,314,1635174000"; d="scan'208";a="39268502" Received: from unknown (HELO yto-r1.gw.nic.fujitsu.com) ([218.44.52.217]) by esa7.hc1455-7.c3s2.iphmx.com with ESMTP; 25 Jan 2022 16:14:34 +0900 Received: from yto-m2.gw.nic.fujitsu.com (yto-nat-yto-m2.gw.nic.fujitsu.com [192.168.83.65]) by yto-r1.gw.nic.fujitsu.com (Postfix) with ESMTP id 4A47DE5B29 for ; Tue, 25 Jan 2022 16:14:33 +0900 (JST) Received: from yto-om4.fujitsu.com (yto-om4.o.css.fujitsu.com [10.128.89.165]) by yto-m2.gw.nic.fujitsu.com (Postfix) with ESMTP id 7E6EBE654E for ; Tue, 25 Jan 2022 16:14:32 +0900 (JST) Received: from localhost.localdomain (n3235113.np.ts.nmh.cs.fujitsu.co.jp [10.123.235.113]) by yto-om4.fujitsu.com (Postfix) with ESMTP id CC491400C1BBD; Tue, 25 Jan 2022 16:14:31 +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 4/8] arm64: Add Kconfig/Makefile to build hardware prefetch control driver Date: Tue, 25 Jan 2022 16:14:10 +0900 Message-Id: <20220125071414.811344-5-tarumizu.kohei@fujitsu.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220125071414.811344-1-tarumizu.kohei@fujitsu.com> References: <20220125071414.811344-1-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 | 8 ++++++++ arch/arm64/kernel/Makefile | 1 + 3 files changed, 10 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index b474051c41e7..0eaee76438e9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8447,6 +8447,7 @@ 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 6978140edfa4..c2256dbb0243 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 @@ -1941,6 +1942,13 @@ 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 + default m + help + This adds Hardware Prefetch Control driver 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