From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-185.mta0.migadu.com (out-185.mta0.migadu.com [91.218.175.185]) (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 1F9B429E10F for ; Sat, 6 Sep 2025 06:11:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.185 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757139105; cv=none; b=jnfYXMGZSmWCoPBPxpeqIBXZgRfzL/QLikUXe3dMfMTwssFZSL6gjfOmf3UnUxls0PuT0S144caGt39jHo3TIwKnq9HG0wC3ZUhI/fYVvxB82UPm4Bnd7zpKDaRLqYNtohW3GkUa/FvvJtaZo/4UGxxaGMKTIJ3rc0nDLcDxTTc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757139105; c=relaxed/simple; bh=bPnYnR2mcyFn78cD8GtWdn8LHwcbeellYdgg3z0bdhU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=G3VTSF4nZ9EkVS4s/uFNAqN6wG+e8MpM754QdV8CEx8+KeG2hIVc+7JaeJTteaplAKYlLpyEctdWhK5yOfNoUlzVv7dzTrjS9pvOfrvUaZPQV3vLG1JuaFv2yMdniLCFGcu0hMHFMtL+yHKWNm7waKco/G7bLyIAUcOyRMgm/+A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=riMGnvmx; arc=none smtp.client-ip=91.218.175.185 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="riMGnvmx" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1757139100; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=G9KeGt4w9YWUgTmon2i67IUPUH8MfBLuR20DSwHGumU=; b=riMGnvmxL80w2CQHLS6rMiC8Zb4omF5eH3wPz4XmTmVCKkchbPjq2nrXEG+heXgr2PGGZV X4aVRc24EJJDg3tR6Wk2dphxvPnLShkSu88phJ7nHS/oSSH8qbxwKvxDHq02MzdR78Y9IA eDwF0RE+RZNDyWHx1MqIj5oAGB5F6A8= From: Oliver Upton To: kvmarm@lists.linux.dev, Oliver Upton Cc: Marc Zyngier , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Ben Horgan Subject: Re: [PATCH v2 0/6] KVM: arm64: vgic-v3: Fix yet another lock ordering turd Date: Fri, 5 Sep 2025 23:11:28 -0700 Message-Id: <175713908287.1682559.5636169286146031124.b4-ty@linux.dev> In-Reply-To: <20250905100531.282980-1-oliver.upton@linux.dev> References: <20250905100531.282980-1-oliver.upton@linux.dev> Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT On Fri, 05 Sep 2025 03:05:25 -0700, Oliver Upton wrote: > v1: https://lore.kernel.org/kvmarm/20250904062348.223976-1-oliver.upton@linux.dev/ > > v1 -> v2: > - Drop union misbehavior + misleading comment (Marc) > - Fix LPI check to include the first one (Ben) > - Clarify changelog to make lock relaxation slightly more obvious > > [...] Applied to fixes, thanks! [1/6] KVM: arm64: vgic: Drop stale comment on IRQ active state https://git.kernel.org/kvmarm/kvmarm/c/982c6cee4c28 [2/6] KVM: arm64: vgic-v3: Use bare refcount for VGIC LPIs https://git.kernel.org/kvmarm/kvmarm/c/5cce5e814fa2 [3/6] KVM: arm64: Spin off release helper from vgic_put_irq() https://git.kernel.org/kvmarm/kvmarm/c/135f15386207 [4/6] KVM: arm64: vgic-v3: Erase LPIs from xarray outside of raw spinlocks https://git.kernel.org/kvmarm/kvmarm/c/0388323fb7cb [5/6] KVM: arm64: vgic-v3: Don't require IRQs be disabled for LPI xarray lock https://git.kernel.org/kvmarm/kvmarm/c/032ea3e45463 [6/6] KVM: arm64: vgic-v3: Indicate vgic_put_irq() may take LPI xarray lock https://git.kernel.org/kvmarm/kvmarm/c/78921bec9d58 -- Best, Oliver