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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A128C61D97 for ; Sun, 29 Jan 2023 18:54:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234952AbjA2SyW (ORCPT ); Sun, 29 Jan 2023 13:54:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51998 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229549AbjA2SyU (ORCPT ); Sun, 29 Jan 2023 13:54:20 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 985341E292; Sun, 29 Jan 2023 10:54:19 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 39288B80D78; Sun, 29 Jan 2023 18:54:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA032C433EF; Sun, 29 Jan 2023 18:54:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1675018456; bh=I7OWZpIexMPfCriDmT6tX4hVWNcJ0a14P9vHmErgqiI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hzVIl+okQLi+gn0pb5zM1bLR8OlapQIWh8SR+njowGQ+fQohh2pHsHuQNXKBzotO4 YOi/IUvzN9dTu1fuqm1H6lXw+rHMCoAA0sVjl+TvQJyR90PrZN3inhi46GjZltPgiB /Ojvn3udXkK2WYgcfsCfHWEzxpLYXOCA/GMTB6+B+5uqTdmq+tGUI99DhztjxVWt/v BU4u3ToWPj4Yz6n2S3cWZzL0mENVWyvP7vtyOcDK7Njck4ixQAK2kiOM1jBxSJwTrJ PM6kzA4GnZfPshdCC9MnSp65sYQTmEAqD3AtXZX51YU6tL33mg9wUfV3oz0SFsjTV6 AeLQaTdWufqZw== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1pMCog-005eZQ-4U; Sun, 29 Jan 2023 18:54:14 +0000 From: Marc Zyngier To: Gavin Shan , kvmarm@lists.linux.dev Cc: linux-kernel@vger.kernel.org, will@kernel.org, reijiw@google.com, kvm@vger.kernel.org, isaku.yamahata@intel.com, pbonzini@redhat.com, suzuki.poulose@arm.com, eric.auger@redhat.com, yuzhe@nfschina.com, yuzenghui@huawei.com, linux-doc@vger.kernel.org, james.morse@arm.com, renzhengeek@gmail.com, corbet@lwn.net, oliver.upton@linux.dev, kvmarm@lists.cs.columbia.edu, shan.gavin@gmail.com, seanjc@google.com, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, ricarkol@google.com Subject: Re: [PATCH v3 0/4] Improve dirty ring warning report Date: Sun, 29 Jan 2023 18:54:10 +0000 Message-Id: <167501840046.2480538.4084679017095353524.b4-ty@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230126235451.469087-1-gshan@redhat.com> References: <20230126235451.469087-1-gshan@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: gshan@redhat.com, kvmarm@lists.linux.dev, linux-kernel@vger.kernel.org, will@kernel.org, reijiw@google.com, kvm@vger.kernel.org, isaku.yamahata@intel.com, pbonzini@redhat.com, suzuki.poulose@arm.com, eric.auger@redhat.com, yuzhe@nfschina.com, yuzenghui@huawei.com, linux-doc@vger.kernel.org, james.morse@arm.com, renzhengeek@gmail.com, corbet@lwn.net, oliver.upton@linux.dev, kvmarm@lists.cs.columbia.edu, shan.gavin@gmail.com, seanjc@google.com, catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org, ricarkol@google.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 27 Jan 2023 07:54:47 +0800, Gavin Shan wrote: > It has been known case where no running VCPU context exists when the > vgic/its tables are saved. There are other two unknown cases where we > don't have the running VCPU context: (a) restore vgic3 LPI pending > status. (b) restoring vgic3 pending tables. > > PATCH[1] includes 'kvm_mmu.h' to 'vgic.h' > PATCH[2] adds unified helper vgic_write_guest_lock() > PATCH[3 - 4] allows no-running-vcpu context for (a) and (b) > > [...] Applied to fixes, thanks! [2/4] KVM: arm64: Add helper vgic_write_guest_lock() commit: a23eaf9368aafa4defcc8904b20391b6ea07bb1e [3/4] KVM: arm64: Allow no running vcpu on restoring vgic3 LPI pending status commit: 2f8b1ad2228a7f1f1e2458864f4bfc1cbdf511ed [4/4] KVM: arm64: Allow no running vcpu on saving vgic3 pending table commit: 6028acbe3a5f2119a2a6ddd3e06453c87c09cae0 Cheers, M. -- Without deviation from the norm, progress is not possible.