From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2726A25E469; Wed, 5 Nov 2025 16:28:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762360093; cv=none; b=tL4IDQoTC1HG9ck3HH0k9qn5oNau+QdfIgs4VCuFxsCF2rmrcXUDZmAbIuK+4n/KHWQNQxUWlwXIWj1neaBQLTq+Xm5KMcsfUDqcLntyUe/6OhpBs29E1sVZvlsueqB5eaSvAe36ziZQOTCm1iOdFMZQg/HU1UVxqGnafK6bf2Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762360093; c=relaxed/simple; bh=XZsR+JyD+p+0AmVN0UT/SExpbSqoB4WWhXwZyYv1juM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DhEZN4sbjsIxJv+Loc0+mMbU08c/vdgKokVALj4h4uK88s7zFHMIFemhIriJTXhsPaVfGHYVTYQTcQj/35s+C+fchgoy3BB21G8dYzazQCnd2wfWNTe7CbT51w0Iyl5BSDT/njRkU0eMwcwibqc7F9L3rESyObdhvjj4Fec+6vY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EVPncHIh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="EVPncHIh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 33848C4CEF8; Wed, 5 Nov 2025 16:28:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762360092; bh=XZsR+JyD+p+0AmVN0UT/SExpbSqoB4WWhXwZyYv1juM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EVPncHIh/EOqGFCdREjl+2w+VGlqkjCAARlMMggMBvZaXK8WL0I7nOF5N4aUy12Cq 1MSijhgS4t1291bQKTZV13FU2rRXBsTAO6sw3VIanGxLl45tXeypLZpfH9cBgrprC5 fM1xwVaxJiZq6874ZxPd6vM4+G2lil3Imv1yectPVArs+70jgStj+MFd3Ah71oFg6O zr7opLT5qYj/5SwzNxTtzqY28hyfZ5N9A4zxq7eSVVstrYiRaE1amTmjR9YabuZCi8 h9RLNiMmdI08k8CXbIE1EcfMEPVNt1U4TNNFRL6y1/AssFAz50F6+TmhCRxSGER9yX s9v6wleyskP0A== Date: Wed, 5 Nov 2025 17:28:10 +0100 From: Frederic Weisbecker To: Bjorn Helgaas Cc: LKML , Michal =?iso-8859-1?Q?Koutn=FD?= , Andrew Morton , Bjorn Helgaas , Catalin Marinas , Danilo Krummrich , "David S . Miller" , Eric Dumazet , Gabriele Monaco , Greg Kroah-Hartman , Ingo Molnar , Jakub Kicinski , Jens Axboe , Johannes Weiner , Lai Jiangshan , Marco Crivellari , Michal Hocko , Muchun Song , Paolo Abeni , Peter Zijlstra , Phil Auld , "Rafael J . Wysocki" , Roman Gushchin , Shakeel Butt , Simon Horman , Tejun Heo , Thomas Gleixner , Vlastimil Babka , Waiman Long , Will Deacon , cgroups@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-mm@kvack.org, linux-pci@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH 16/33] PCI: Flush PCI probe workqueue on cpuset isolated partition change Message-ID: References: <20251013203146.10162-17-frederic@kernel.org> <20251014205034.GA906667@bhelgaas> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20251014205034.GA906667@bhelgaas> Le Tue, Oct 14, 2025 at 03:50:34PM -0500, Bjorn Helgaas a écrit : > On Mon, Oct 13, 2025 at 10:31:29PM +0200, Frederic Weisbecker wrote: > > The HK_TYPE_DOMAIN housekeeping cpumask is now modifyable at runtime. In > > order to synchronize against PCI probe works and make sure that no > > asynchronous probing is still pending or executing on a newly made > > isolated CPU, the housekeeping susbsystem must flush the PCI probe > > works. > > > > However the PCI probe works can't be flushed easily since they are > > queued to the main per-CPU workqueue pool. > > > > Solve this with creating a PCI probe specific pool and provide and use > > the appropriate flushing API. > > s/modifyable/modifiable/ > s/newly made isolated/newly isolated/ > s/susbsystem/subsystem/ > s/PCI probe specific pool/PCI probe-specific pool/ All fixed! Thanks. -- Frederic Weisbecker SUSE Labs