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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 A66FBC433E0 for ; Mon, 13 Jul 2020 10:01:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7D8842068F for ; Mon, 13 Jul 2020 10:01:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728833AbgGMKBU (ORCPT ); Mon, 13 Jul 2020 06:01:20 -0400 Received: from foss.arm.com ([217.140.110.172]:51540 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726523AbgGMKBU (ORCPT ); Mon, 13 Jul 2020 06:01:20 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 98D231FB; Mon, 13 Jul 2020 03:01:19 -0700 (PDT) Received: from e112269-lin.arm.com (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D94793F7D8; Mon, 13 Jul 2020 03:01:17 -0700 (PDT) From: Steven Price To: Catalin Marinas , Marc Zyngier , Will Deacon Cc: Steven Price , James Morse , Julien Thierry , Suzuki K Poulose , kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Dave Martin , Mark Rutland , Thomas Gleixner Subject: [PATCH 0/2] MTE support for KVM guest Date: Mon, 13 Jul 2020 11:01:00 +0100 Message-Id: <20200713100102.53664-1-steven.price@arm.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These patches add support to KVM to enable MTE within a guest. They are based on Catalin's v6 MTE user-space support series[1]. Changes since the previous RFC posting[2]: * Correctly read/write TFSR_EL1 using {read,write}_sysreg_el1() * Set SCTLR_EL2.ITFSB bit for non-VHE * Minor updates to deal with rebasing [1] https://lore.kernel.org/r/20200703153718.16973-1-catalin.marinas@arm.com [2] https://lore.kernel.org/r/20200617123844.29960-1-steven.price@arm.com Steven Price (2): arm64: kvm: Save/restore MTE registers arm64: kvm: Introduce MTE VCPU feature arch/arm64/include/asm/kvm_emulate.h | 3 +++ arch/arm64/include/asm/kvm_host.h | 9 ++++++++- arch/arm64/include/asm/sysreg.h | 3 ++- arch/arm64/include/uapi/asm/kvm.h | 1 + arch/arm64/kvm/hyp/sysreg-sr.c | 14 ++++++++++++++ arch/arm64/kvm/mmu.c | 15 +++++++++++++++ arch/arm64/kvm/reset.c | 8 ++++++++ arch/arm64/kvm/sys_regs.c | 8 ++++++++ 8 files changed, 59 insertions(+), 2 deletions(-) -- 2.20.1