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 56DE22D23B1; Fri, 31 Oct 2025 15:30:07 +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=1761924607; cv=none; b=pDZ8T5q0G5SjgWSUZinuFrAM4dYxdy3m/dq8+9L7ikqPo3TNp+VQLhlFFvX3K9cFF60yQ/Qpe9VjIpwZ2E/hMiRgrkP5MWKBjPLYem7Yq4fvzGpulD/cHF6A1f3+UnURGuB9lE0jEK8aAbcoXckJWYkxUdbFpDh3qgL88SURWA4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761924607; c=relaxed/simple; bh=YN9mFpyOirMJG3gxerIW77pECs9cukfzbQfkHOAQpHs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OS0qujMUWvoioKtTSzcBP1GNWdxUbHu0ZHiA1QJoT/1/Y7AKNmNsJqg1626KfzqCx+8LCT4Qe2wTnz6Vnupq8tBhQzIhX+Kjw3Tzbt2lScI99P03Q212lI5p5JrY9rHaSk5tpDqc85/4GZTjAArflud+xGayB+KTZibe6h7UnBI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qc8FbJqr; 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="qc8FbJqr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 63CA2C4CEE7; Fri, 31 Oct 2025 15:30:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761924606; bh=YN9mFpyOirMJG3gxerIW77pECs9cukfzbQfkHOAQpHs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qc8FbJqrkdCIX64uhcGh/3sGHjyZ/kg6c299TYuVaR/EIJqJe7VvR4brCH0bIYjIm ccsiXGVZz9k3yUOR3gfrmQ4kIjoms18UgykNgu+1CPsw1KuPLyFPYP/ri0CslMVeUb vNzzDSei9y78K6SkntbzS3NuE/nOFh03zqzWcjMyZqDmbWPbmwfVj9iGHSmvPPXwPc bLnL/UODhTrwTO/5oR0zP4Ffx/OwNa3rxctvcB2Auk1OYMjRRkNvJeY9CtHVN3Bugi cKqrp5O5IQGjZsNXoECmy3q447y0cXLwfHpdovDId8J2RkKvC1IhxGiQRqQ+t06oEy OmO8wkiAp0STQ== Date: Fri, 31 Oct 2025 16:30:04 +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 01/33] PCI: Prepare to protect against concurrent isolated cpuset change Message-ID: References: <20251013203146.10162-2-frederic@kernel.org> <20251014205313.GA906793@bhelgaas> Precedence: bulk X-Mailing-List: linux-pci@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: <20251014205313.GA906793@bhelgaas> Le Tue, Oct 14, 2025 at 03:53:13PM -0500, Bjorn Helgaas a écrit : > On Mon, Oct 13, 2025 at 10:31:14PM +0200, Frederic Weisbecker wrote: > > HK_TYPE_DOMAIN will soon integrate cpuset isolated partitions and > > therefore be made modifyable at runtime. Synchronize against the cpumask > > update using RCU. > > > > The RCU locked section includes both the housekeeping CPU target > > election for the PCI probe work and the work enqueue. > > > > This way the housekeeping update side will simply need to flush the > > pending related works after updating the housekeeping mask in order to > > make sure that no PCI work ever executes on an isolated CPU. This part > > will be handled in a subsequent patch. > > s/modifyable/modifiable/ (also in several other commit logs) Languages are hard. Fixing the set, thanks! -- Frederic Weisbecker SUSE Labs