From patchwork Tue Apr 14 11:28:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhenyu Ye X-Patchwork-Id: 11487257 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6D292174A for ; Tue, 14 Apr 2020 11:29:04 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5074B206B6 for ; Tue, 14 Apr 2020 11:29:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5074B206B6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0B37F8E0005; Tue, 14 Apr 2020 07:29:03 -0400 (EDT) Delivered-To: linux-mm-outgoing@kvack.org Received: by kanga.kvack.org (Postfix, from userid 40) id 063F68E0001; Tue, 14 Apr 2020 07:29:03 -0400 (EDT) X-Original-To: int-list-linux-mm@kvack.org X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EBA728E0005; Tue, 14 Apr 2020 07:29:02 -0400 (EDT) X-Original-To: linux-mm@kvack.org X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0053.hostedemail.com [216.40.44.53]) by kanga.kvack.org (Postfix) with ESMTP id D25358E0001 for ; Tue, 14 Apr 2020 07:29:02 -0400 (EDT) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 9233C180AD802 for ; Tue, 14 Apr 2020 11:29:02 +0000 (UTC) X-FDA: 76706238924.02.cook73_6bd1a2a119f02 X-Spam-Summary: 1,0,0,,d41d8cd98f00b204,yezhenyu2@huawei.com,,RULES_HIT:30054,0,RBL:45.249.212.191:@huawei.com:.lbl8.mailshell.net-64.95.201.95 62.18.2.100,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fp,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:24,LUA_SUMMARY:none X-HE-Tag: cook73_6bd1a2a119f02 X-Filterd-Recvd-Size: 2055 Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191]) by imf15.hostedemail.com (Postfix) with ESMTP for ; Tue, 14 Apr 2020 11:29:00 +0000 (UTC) Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 44DE362D7C198D4FE206; Tue, 14 Apr 2020 19:28:57 +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; Tue, 14 Apr 2020 19:28:46 +0800 From: Zhenyu Ye To: , , , , , , CC: , , , , , , , , , Subject: [RFC PATCH v3 0/2] arm64: tlb: add support for TLBI RANGE instructions Date: Tue, 14 Apr 2020 19:28:33 +0800 Message-ID: <20200414112835.1121-1-yezhenyu2@huawei.com> X-Mailer: git-send-email 2.22.0.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.173.220.25] X-CFilter-Loop: Reflected X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a range of input addresses. This series add support for this feature. --- ChangeList: 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(-)