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,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 269D8C07E9B for ; Mon, 19 Jul 2021 12:39:46 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 933226113B for ; Mon, 19 Jul 2021 12:39:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 933226113B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 1F92B40CF9; Mon, 19 Jul 2021 08:39:45 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id C4g0WfCvF1Rd; Mon, 19 Jul 2021 08:39:43 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 2EA304B082; Mon, 19 Jul 2021 08:39:43 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 8F7614A500 for ; Mon, 19 Jul 2021 08:39:42 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wIDEONnnpizn for ; Mon, 19 Jul 2021 08:39:41 -0400 (EDT) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id 77A51406E7 for ; Mon, 19 Jul 2021 08:39:41 -0400 (EDT) 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 862716113E; Mon, 19 Jul 2021 12:39:40 +0000 (UTC) Received: from sofa.misterjones.org ([185.219.108.64] helo=why.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1m5SYc-00ED65-FZ; Mon, 19 Jul 2021 13:39:38 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Subject: [PATCH v2 0/4] kvm-arm64: Fix PMU reset values (and more) Date: Mon, 19 Jul 2021 13:38:58 +0100 Message-Id: <20210719123902.1493805-1-maz@kernel.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu, james.morse@arm.com, suzuki.poulose@arm.com, alexandru.elisei@arm.com, alexandre.chartre@oracle.com, robin.murphy@arm.com, drjones@redhat.com, linux@arm.linux.org.uk, kernel-team@android.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Cc: kernel-team@android.com, Robin Murphy , Russell King X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu This is the second version of the series initially posted at [1]. * From v1: - Simplified masking in patch #1 - Added a patch dropping PMSWINC_EL0 as a shadow register, though it is still advertised to userspace for the purpose of backward compatibility of VM save/restore - Collected ABs/RBs, with thanks [1] https://lore.kernel.org/r/20210713135900.1473057-1-maz@kernel.org Alexandre Chartre (1): KVM: arm64: Disabling disabled PMU counters wastes a lot of time Marc Zyngier (3): KVM: arm64: Narrow PMU sysreg reset values to architectural requirements KVM: arm64: Drop unnecessary masking of PMU registers KVM: arm64: Remove PMSWINC_EL0 shadow register arch/arm64/include/asm/kvm_host.h | 1 - arch/arm64/kvm/pmu-emul.c | 8 ++-- arch/arm64/kvm/sys_regs.c | 70 +++++++++++++++++++++++++++---- 3 files changed, 67 insertions(+), 12 deletions(-) -- 2.30.2 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm