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 9A3AACCFA0D for ; Wed, 5 Nov 2025 16:28:22 +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-Transfer-Encoding:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=tx9lswogNRQ0TZt9WL0Qi02NOUSoFXBUIWfnFP8NGzs=; b=VkRN/k9NXJGzOGUF6r8kdXjEhN 8D95wAZ9VIxmH4Pdkq4s1XVBGfBdVYZ3MU2R4yeyU+yYLZ88kD1AgKF3M7hK3RxmeF71qeWl+iH4Z 0uRSdPACDTpPbQ9Chxx0YopDtzAujtUdAnW5kZgqYzcCY5FTV+suitqUu5o+uk2YkaipQfyu7AD5U 5tAQrbnOi3JDcmGNJpqYH0OC+1PRCr2heMXyL0/aCg7QU5pf8j9axMV+IHWJNVo+Gjuf9UuhqfvSg ose6sXrgcz/4WtAF42mXOSy9oHhUyFpD9rBo2NqgDGCR6rTocygzKdN4ch4IMS+j+xhXAzRtoodQv yOmre+NA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vGgMq-0000000E4Li-0zBy; Wed, 05 Nov 2025 16:28:16 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vGgMo-0000000E4Lc-006Q for linux-arm-kernel@lists.infradead.org; Wed, 05 Nov 2025 16:28:14 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 026AA60207; Wed, 5 Nov 2025 16:28:13 +0000 (UTC) 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> 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> 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 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