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 X-Spam-Level: X-Spam-Status: No, score=-12.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3175CC433E1 for ; Wed, 15 Jul 2020 07:20:13 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 007082064C for ; Wed, 15 Jul 2020 07:20:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 007082064C 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 1E9178D0007; Wed, 15 Jul 2020 03:20:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 087CB8D0005; Wed, 15 Jul 2020 03:20:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E6A218D0006; Wed, 15 Jul 2020 03:20:09 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0072.hostedemail.com [216.40.44.72]) by kanga.kvack.org (Postfix) with ESMTP id B555E8D0002 for ; Wed, 15 Jul 2020 03:20:09 -0400 (EDT) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 71E892DFC for ; Wed, 15 Jul 2020 07:20:09 +0000 (UTC) X-FDA: 77039461338.09.baby23_590501a26ef7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin09.hostedemail.com (Postfix) with ESMTP id 47A13180AD801 for ; Wed, 15 Jul 2020 07:20:09 +0000 (UTC) X-HE-Tag: baby23_590501a26ef7 X-Filterd-Recvd-Size: 2624 Received: from huawei.com (szxga05-in.huawei.com [45.249.212.191]) by imf32.hostedemail.com (Postfix) with ESMTP for ; Wed, 15 Jul 2020 07:20:08 +0000 (UTC) Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 367C086A3F7B3A2F6EFD; Wed, 15 Jul 2020 15:20:01 +0800 (CST) Received: from DESKTOP-KKJBAGG.china.huawei.com (10.174.186.75) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.487.0; Wed, 15 Jul 2020 15:19:51 +0800 From: Zhenyu Ye To: , , , , , , CC: , , , , , , , , , Subject: [PATCH v3 0/3] arm64: tlb: add support for TLBI RANGE instructions Date: Wed, 15 Jul 2020 15:19:42 +0800 Message-ID: <20200715071945.897-1-yezhenyu2@huawei.com> X-Mailer: git-send-email 2.22.0.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.174.186.75] X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: 47A13180AD801 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam02 Content-Transfer-Encoding: quoted-printable 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: NOTICE: this series are based on the arm64 for-next/tlbi branch: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/tl= bi ARMv8.4-TLBI provides TLBI invalidation instruction that apply to a range of input addresses. This series add support for this feature. -- ChangeList: v3: - add check on whether binutils supports ARMv8.4-a instructions. - pass -march=3Darmv8.4-a to KBUILD_CFLAGS. - make __TLBI_RANGE_PAGES to be 'unsigned long' explicitly. v2: - remove the __tlbi_last_level() macro. - add check for parameters in __TLBI_VADDR_RANGE macro. RFC patches: - Link: https://lore.kernel.org/linux-arm-kernel/20200708124031.1414-1-ye= zhenyu2@huawei.com/ Zhenyu Ye (3): arm64: tlb: Detect the ARMv8.4 TLBI RANGE feature arm64: enable tlbi range instructions arm64: tlb: Use the TLBI RANGE feature in arm64 arch/arm64/Kconfig | 14 +++ arch/arm64/Makefile | 7 ++ arch/arm64/include/asm/cpucaps.h | 3 +- arch/arm64/include/asm/sysreg.h | 3 + arch/arm64/include/asm/tlbflush.h | 156 ++++++++++++++++++++++++------ arch/arm64/kernel/cpufeature.c | 10 ++ 6 files changed, 163 insertions(+), 30 deletions(-) --=20 2.19.1