Received: by 2002:a25:683:0:0:0:0:0 with SMTP id 125csp534710ybg; Mon, 1 Jun 2020 07:49:45 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzmwem/5IWP8Q5/IxpcjwHK0aAaSgdJN1lBi0QREbDVGSQPA7h53CfquigsKqWDtEDD0GNx X-Received: by 2002:a17:906:7f84:: with SMTP id f4mr19164643ejr.482.1591022982806; Mon, 01 Jun 2020 07:49:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1591022982; cv=none; d=google.com; s=arc-20160816; b=vq+Q+DRUKO17i7EYNpopyEKokd2HnXiXG7MIsByJlHWtVd53ES1IzF/WHp39/RQ71n aGB5aUeq2Ad6S+jfsfFN92bydyXn+/yLi2fNoyM2bQJ52LopZnEHcB5Jc6dCVjtffijS dkHsDgOpgpHYNnHV+fFdtgAcMS19YGp4n8vZIwKCYHyWrG8JhOmTeAJK9OmZIZt3d6mr vSkXrixhNbv6C8xstQjy9S00jpmggtjjVaINDQV5wfwCxZewbVaARlKA2/8Us1Lf4g09 0neTrFV+QfVFz3cej57LlfUXUivIUHyCF+i6seXeZFBcGUS1kbCs0QXw+TvKp95QmvwT K7Fg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=jSGYlxgnS3YznOMNT9gPCI71kmj7Ix0dF65I9viiB5E=; b=IuUItc/2qSEvOg5m5Khgrr/It0cgj7Jct6XCGU69SaX/lgYlEbCQbl0rmX/kBJNzvB 6lKRY0gVSwjoxFRA9UdoRX2xnZ5O9TvruN5L/jyFutJY1GbYOXJjTqbtaD7GcCgcBmR0 PTZWO4UrjqBhCVwFYmiZjLejobOnCvAgEwE8IzZ4mIEp93JUh7c2tVIFjE9JzjwKCkt9 19Fn5qI5ik4GZ+5j8LDrIVYFJAnj6zy8UtvdQ7DUIlxYWZD1R9B9VOaWHKGIBJMLQOxZ xZKFLJiM+ihO6HYYxHPoDmATMf/acs3u4Stf51DcVmci6gdxHvdLtJaOn7FuYLlh63BI H0bA== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l88si6116950edl.376.2020.06.01.07.49.19; Mon, 01 Jun 2020 07:49:42 -0700 (PDT) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726751AbgFAOrc (ORCPT + 99 others); Mon, 1 Jun 2020 10:47:32 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:5833 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726017AbgFAOrb (ORCPT ); Mon, 1 Jun 2020 10:47:31 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id 8F3BFB91085C29827103; Mon, 1 Jun 2020 22:47:28 +0800 (CST) Received: from DESKTOP-KKJBAGG.china.huawei.com (10.173.220.25) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.487.0; Mon, 1 Jun 2020 22:47:21 +0800 From: Zhenyu Ye To: , , , , , , CC: , , , , , , , , , Subject: [RFC PATCH v3 0/2] arm64: tlb: add support for TLBI RANGE instructions Date: Mon, 1 Jun 2020 22:47:11 +0800 Message-ID: <20200601144713.2222-1-yezhenyu2@huawei.com> X-Mailer: git-send-email 2.22.0.windows.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.173.220.25] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a range of input addresses. This series add support for this feature. -- ChangeList: v4: combine the __flush_tlb_range() and the __directly into the same function with a single loop for both. v3: rebase this series on Linux 5.7-rc1. v2: Link: https://lkml.org/lkml/2019/11/11/348 Zhenyu Ye (2): arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature arm64: tlb: Use the TLBI RANGE feature in arm64 arch/arm64/include/asm/cpucaps.h | 3 +- arch/arm64/include/asm/sysreg.h | 4 ++ arch/arm64/include/asm/tlbflush.h | 108 +++++++++++++++++++++++++++++- arch/arm64/kernel/cpufeature.c | 11 +++ 4 files changed, 124 insertions(+), 2 deletions(-) -- 2.19.1