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 C16ECCD5BA4 for ; Wed, 20 May 2026 18:26:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=UtBDzQiTvTUic8H2WMvD7VO/oD+0Jf4bASTEX4hnFCc=; b=nZ80cZcrTFkTqAXlHUgzY83Au+ hi+cmHU0AAGhfP5+9VxFd/rbXlG8JzBRGEgFg7qCKM4mm91L7aLI2fV91XyAORQkP3c6/Mc+86XkG BD36j8d/o2cdLl59q3PJktFqjeyZsaf6rvoEpYG+IdIDewL+gebaSNMLHXVfSXkiW5/r1oWbRQgiQ Hj68N65yRtHaOtrS77v0ReCtjdW/0w1pJ3vejEl6yJTjXsWmx2gkpI5uZj4pgcJ5+4V85psWqG1v5 /lqqut4nC7eCFaRc7LhP10bp1fXNND6wIQFdGJ1sDcIsO2fRXulrm2rrMQgoQ4qWa9fjPMPjQ/u55 0ivc6O2Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPlcY-00000005RM2-0xbY; Wed, 20 May 2026 18:26:18 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPlcX-00000005RLm-11E1 for linux-arm-kernel@lists.infradead.org; Wed, 20 May 2026 18:26:17 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 8F5AE600FF; Wed, 20 May 2026 18:26:16 +0000 (UTC) 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260520100200.543845-1-maz@kernel.org> 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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