From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 761943A453B for ; Wed, 20 May 2026 18:26:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779301577; cv=none; b=YChRDtswtL+7m5TS5r5QtBYaWxiSDOTKf8DQWs+cNkuJtkqULPNfwweNxvLrZievYz3dLp9RNC5Jk2bobaYzJMth7vHNZKfqmDsqOrXA34jg8D55DBTLq044Fyu8RgB7BnQumz+oc8ReLemIvym22wu+hjHHDktgQR9hPNfeU+A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779301577; c=relaxed/simple; bh=KfVCUOzlOKuQDDmZGcfEL3pjr/D3Mv2Q8Ct8bDxLoqY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gk2iw9twvfss2ES03XCrEQrkSuQSToKO0khMyQHPMRYgEPNpXF30VUW9yhEmD2LF2WbvkXb0FuMu1vcQeuKEaPWOqjzmVfbG6ztBQCqJlRXWmCpI8OJUkG8mZj7w9FR4hN1I/Z0PklLbFVknCJb38cMbrDQcRa7Pe5htLMMbjVQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KOs8pp//; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KOs8pp//" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3049E1F00899; Wed, 20 May 2026 18:26:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779301576; bh=UtBDzQiTvTUic8H2WMvD7VO/oD+0Jf4bASTEX4hnFCc=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=KOs8pp//UUBrbRCAKAHUxFpTLwhToz+ZsQ+ABWasVNkoYZEZHrhgVSWzwuMXoAxcW X2+xbVi3Ku/QeWmWBwfjaJFeXKP3couyY/Kn1yzRM4d8wY9TKG+8X+fQSWzMfF61p8 2jr4orvctQmcApqwgkPR5lyvlEydA0K/CZ7Ev9DtfT35kwQopsvBVEBTK54+HGJjfm SDaQOg8nhMRSWnZLfWjXpL9pzwedGoQ6/4SqSMb5DFAtw9HrxIoodDlXxQUjjs6d+H n3c41O4lSRmd2Dner1YC1OU0s8IbjDYXlBspsTFC5yWm+HSyLMDutEGOa5XG58m68h 8a32ejOCEYtrQ== Date: Wed, 20 May 2026 11:26:14 -0700 From: Oliver Upton To: Marc Zyngier Cc: kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Deepanshu Kartikey , Steffen Eiden , Joey Gouly , Suzuki K Poulose , Zenghui Yu Subject: Re: [PATCH v3 0/6] KVM: arm64: Don't perform vgic-v2 lazy init on timer injection Message-ID: References: <20260520100200.543845-1-maz@kernel.org> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260520100200.543845-1-maz@kernel.org> On Wed, May 20, 2026 at 11:01:54AM +0100, Marc Zyngier wrote: > This is the third version of this series aiming at fixing issues with > vgic-v2 being initialised from non-preemptible context. > > * From v2 [2]: > > - Remove the PMU's irq level cache which was hidding in plain sight > > - Simplify the userspace notification of interrupt level update > > - Additional comment clarification in patch #1 > > - Collected RB, with thanks > > * From v1 [1]: > > - Repaint kvm_timer_irq_can_fire() to kvm_timer_enabled() > > - Drop duplicate kvm_timer_update_status() call > > - Force lazy init on the irqfd slow-path for SPIs > > [1] https://lore.kernel.org/r/20260417124612.2770268-1-maz@kernel.org > [2] https://lore.kernel.org/r/20260422100210.3008156-1-maz@kernel.org > > Marc Zyngier (6): > KVM: arm64: timer: Repaint kvm_timer_{should,irq_can}_fire() to > kvm_timer_{pending,enabled}() > KVM: arm64: Simplify userspace notification of interrupt state > KVM: arm64: timer: Kill the per-timer irq level cache > KVM: arm64: pmu: Kill the PMU interrupt level cache > KVM: arm64: vgic-v2: Force vgic init on injection outside the run loop > KVM: arm64: vgic-v2: Don't init the vgic on in-kernel interrupt > injection s/how/now/ on the first line of the changelog in the last patch... Too lazy to draft another mail. Reviewed-by: Oliver Upton Thanks, Oliver