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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id AA326C25B46 for ; Mon, 23 Oct 2023 18:36:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Subject:Cc:To:From:Message-ID:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=sXG5I6KDN2jUi8Q+RQoOqmlNztGcb5RoN/IAvaw6V20=; b=c/9JNxdjUMpSIK UbPf8PlmaSgrNJ9f4ykNJhcbRdbvLH421VNWhBOIln2zIVkJRIMdn+uzLPTFfeiaMKwAjT55YuVNV rQei04BFLdk0uEIqowjODf7KMuUVRWQxkSwPRYIs9xAiXw17u9taQzw4+nkPybZx4eo+HSm0QNrHE CASw+3p8DKIkOQADm0YAa5Id+K5P67nlwdHS8BGL6rHgJI63R06Id1RofATMtn6L3ECFw7y1hzCcv huRk+cUMlHTHighXB+zBofr9Ng9QZhtAhyqZAKin2XN/uWqaQvAN7XBF/3TpfqfjCrfhYXGn53Se/ CkBF4DxBDHZ+LVOD78iQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1quzmM-008604-2N; Mon, 23 Oct 2023 18:35:54 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1quzmJ-0085za-2W for linux-arm-kernel@lists.infradead.org; Mon, 23 Oct 2023 18:35:53 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id A7661CE271C; Mon, 23 Oct 2023 18:35:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFA2DC433C8; Mon, 23 Oct 2023 18:35:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1698086148; bh=WHd8d0jouAtFnRWy/nehrEIWGuiFo70FfejIW0lR98A=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=mlQCUgXeOkPMlnOORKfW4wTzAB9yX6aLvM8bFtJnCnu1mb5WFxPIBxUqj1qe4Qsh7 bu2yE1Vsr00HNYUm6H6MQLvvYST4rv/4fuyDKI3B8SykvQOzqK902lHfArSePy7ZuC hhO5V9fn8/QVlnILo2gLIbv+Q5iIMREzal9jg/45QPGdH85o862bpvaX1Ct9xGekDd rlRS4mn+z52AmZaw8sor+R+9QUh2XsfWoEfGe7RuknUp9bX4mVhaONDRp69UCSyFnN z6ABjEtA/6tBeMdpoTG/hPFGYmilsFUkl/9NFbexXXAhSIrmuTfUIy+ccq36aregQl t2L2eUwE8jDxw== Received: from sofa.misterjones.org ([185.219.108.64] helo=goblin-girl.misterjones.org) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1quzmE-006x8t-7w; Mon, 23 Oct 2023 19:35:46 +0100 Date: Mon, 23 Oct 2023 19:35:44 +0100 Message-ID: <86r0ll4267.wl-maz@kernel.org> From: Marc Zyngier To: Raghavendra Rao Ananta Cc: Oliver Upton , Alexandru Elisei , James Morse , Suzuki K Poulose , Paolo Bonzini , Zenghui Yu , Shaoqin Huang , Jing Zhang , Reiji Watanabe , Colton Lewis , linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH v8 00/13] KVM: arm64: PMU: Allow userspace to limit the number of PMCs on vCPU In-Reply-To: <20231020214053.2144305-1-rananta@google.com> References: <20231020214053.2144305-1-rananta@google.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/29.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: rananta@google.com, oliver.upton@linux.dev, alexandru.elisei@arm.com, james.morse@arm.com, suzuki.poulose@arm.com, pbonzini@redhat.com, yuzenghui@huawei.com, shahuang@redhat.com, jingzhangos@google.com, reijiw@google.com, coltonlewis@google.com, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org 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-20231023_113552_010065_14769D72 X-CRM114-Status: GOOD ( 12.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 20 Oct 2023 22:40:40 +0100, Raghavendra Rao Ananta wrote: > > Hello, > > The goal of this series is to allow userspace to limit the number > of PMU event counters on the vCPU. We need this to support migration > across systems that implement different numbers of counters. FWIW, I've pushed out a branch[1] with a set of fixes that address some of the comments I had on this series. Feel free to squash them in your series as you see fit. M. [1] https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git/log/?h=kvm-arm64/pmu_pmcr_n -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel