From patchwork Sun Feb 16 18:53:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 11384597 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 62EF5139A for ; Sun, 16 Feb 2020 18:53:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 31C5D20857 for ; Sun, 16 Feb 2020 18:53:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="JgLS8gbs"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="hcLuvQ6t" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31C5D20857 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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=bombadil.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=kjwrzzPrQY1mCYmGLcoW79398iqK3B7DH2t1xThqgvo=; b=JgLS8gbsEe0MjT FYMuDmoDzf3TuJdtpBUtQcO+VylZElpyDNr2YnlxAQvzv92J6alcbf15oPlCiiCsgCNYwQJPQRTO0 e6Z/u1YKZUARzkMuYVhgeN785yRV56b03MVhnpGsDpx3G+TObpQrsWSeOXQNS2HAIMWdcGYhwtpin sQSl8tXdTVmbhXMaKZaPwBi0eELvA9MrEb0QX5c/N1OUFMoV7OyLshyl0hUT7sbUMGaCcaX7/7kog YKj1INE5im3hCg8TuRqlwiHAinD/vSYTzHHizXiW3sqckYZwtX9Zzj8336QA5U/nBzk8P4rXhb6rx ZiG9cn+EiYcwpOsdNz/A==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3P31-0002wj-3Q; Sun, 16 Feb 2020 18:53:43 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1j3P2y-0002vC-P4 for linux-arm-kernel@lists.infradead.org; Sun, 16 Feb 2020 18:53:41 +0000 Received: from disco-boy.misterjones.org (disco-boy.misterjones.org [51.254.78.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A672E20857; Sun, 16 Feb 2020 18:53:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581879219; bh=CDMcIuGZauuEKnBrc2rOLv93aehoxJbaP6h3f0RnX18=; h=From:To:Cc:Subject:Date:From; b=hcLuvQ6t0pWiScsDk331LZ8xUf9I4J6C+AiHvBLI3vBXX3yrK/XbyHYS20LSJm7YS X6PJnMmZQk1psVCfFEa5F8a92HT7yAYyrI5or5hNtb/dYcsUpg9QytOly26kPX5D2n 0ayVE3bL7IL1dSbRJJwUUkf/Vakab8Ine9qDJ0Wc= Received: from 78.163-31-62.static.virginmediabusiness.co.uk ([62.31.163.78] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1j3P2v-005iWD-O3; Sun, 16 Feb 2020 18:53:37 +0000 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org Subject: [PATCH 0/5] Random debug/PMU fixes for 5.6 Date: Sun, 16 Feb 2020 18:53:19 +0000 Message-Id: <20200216185324.32596-1-maz@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org, peter.maydell@linaro.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200216_105340_827757_0B76CF60 X-CRM114-Status: UNSURE ( 8.81 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender 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: Peter Maydell , James Morse , Julien Thierry , Suzuki K Poulose Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Here's a few cleanups and fixes for 5.6, all around our debug and PMU ID register emulation: 1) Missing RES1 bit in DBGDIDR 2) Limiting PMU version to v8.1 3) Limiting debug version to ARMv8.0 4) Support for ARMv8.4-PMU (1) was reported by Peter, (2) had a patch from Andrew Murray on the list, but it's been a while since he was going to rebase and fix it, so I did bite the bullet. (3) is needed until we implement the right thing with NV. (4) was too easy not to be done right away. Patch #2 is a cleanup that helps the following patches. Unless someone objects, I'd like to take this into 5.6 (except maybe for the last patch). Marc Zyngier (5): KVM: arm64: Fix missing RES1 in emulation of DBGBIDR KVM: arm64: Refactor filtering of ID registers kvm: arm64: Limit PMU version to ARMv8.1 KVM: arm64: Limit the debug architecture to ARMv8.0 KVM: arm64: Upgrade PMU support to ARMv8.4 arch/arm64/include/asm/sysreg.h | 2 ++ arch/arm64/kvm/sys_regs.c | 35 +++++++++++++++++++++++++-------- 2 files changed, 29 insertions(+), 8 deletions(-)