From patchwork Wed Jul 15 07:19:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhenyu Ye X-Patchwork-Id: 11664355 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 91B1913B1 for ; Wed, 15 Jul 2020 07:21:36 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6B11E206E9 for ; Wed, 15 Jul 2020 07:21:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rQhTYNT+" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6B11E206E9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=8zHFdj/SQ2w2NUnAwYdgWLhdWLHaPNGLKm11UrlZvAM=; b=rQhTYNT+sybyJaemdQMrYrBABZ nUE9yzFLZrTq4MAhPDjxfL6NaDCvHIAh6dy2XjBjfw/akqFUEIH3aUB5k8mXuxuQ2VuKyGgd3/xKu pTUpOxo4jv8kOYl/Fdmx1Rpm5osFGodX0mxiSmT/guEo2xJve6+KFIJl9mLvSfunP9a5s50iQmzN+ EYAGka4vJOSMyMzrk7HqELlkBE0QX61A4/dLz02x5MYXRqO/g/Ya7Ps1dlETEYLSHSPZXR5gFjBZx dWpFIe3QE9mpr9YXVnd4qsi3udhZDrQK6EW//x4v/qqpDKVDR9uvbomiPVlSthjMY5SjSg/Dnqwqc 3bmN0cZg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvbiA-0002R2-Bd; Wed, 15 Jul 2020 07:20:14 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191] helo=huawei.com) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jvbi3-0002Nk-LF for linux-arm-kernel@lists.infradead.org; Wed, 15 Jul 2020 07:20:08 +0000 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: , , , , , , 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 X-Originating-IP: [10.174.186.75] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200715_032008_029480_9684A988 X-CRM114-Status: UNSURE ( 6.83 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [45.249.212.191 listed in list.dnswl.org] 0.0 RCVD_IN_MSPIKE_H4 RBL: Very Good reputation (+4) [45.249.212.191 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record 0.0 RCVD_IN_MSPIKE_WL Mailspike good senders X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, yezhenyu2@huawei.com, linux-kernel@vger.kernel.org, xiexiangyou@huawei.com, zhangshaokun@hisilicon.com, linux-mm@kvack.org, arm@kernel.org, prime.zeng@hisilicon.com, kuhn.chenqun@huawei.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org 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/tlbi 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=armv8.4-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-yezhenyu2@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(-)