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=-4.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 D413BC2BA83 for ; Sun, 16 Feb 2020 18:53:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AA01C22B48 for ; Sun, 16 Feb 2020 18:53:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581879221; bh=CDMcIuGZauuEKnBrc2rOLv93aehoxJbaP6h3f0RnX18=; h=From:To:Cc:Subject:Date:List-ID:From; b=MNX2JioAWpkfbNg/5z2Wlh7XlB2B6IlYGa/v51nN85YXRrarznME3p3y8HyzBNZI8 pKbbFh6Q+9y5mlbsC+bMyb+8ZB5mCEMEulpslNoEUHk9YzjNQqpTCzU4E5107gV+53 EA99u69z57emkK9YJ2Q0Ntr7cTrb+I/VvGvwxr2E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726256AbgBPSxk (ORCPT ); Sun, 16 Feb 2020 13:53:40 -0500 Received: from mail.kernel.org ([198.145.29.99]:38416 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725989AbgBPSxk (ORCPT ); Sun, 16 Feb 2020 13:53:40 -0500 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 Cc: Peter Maydell , James Morse , Julien Thierry , Suzuki K Poulose 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 Content-Transfer-Encoding: 8bit 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 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.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(-) -- 2.20.1