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 1039D31ED84; Fri, 12 Dec 2025 11:57:25 +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=1765540646; cv=none; b=gQJ/C91ZkTPeAxtCOoMFrfSC+B0Ajhfuk9qXGDQi6pQUtIpSRCx+JdqNnjFnOrHV2NOLFw+xs+3gNgmEmI2RGP1joPGqx1JAFlnANXH1ODKtqNd4DzsxDWmSzhmR70CSaFHzMzXc4EuOTRJekh05YkyqHm0n7LCV6+70PQZUNhQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765540646; c=relaxed/simple; bh=B8kaJig1Qmy/8VwfW5/KFmQMAdC8lDjti5wIe775VME=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=GNsqR1W0Axkmv+5EY/GWCsmHAAGaFA4lnCY+Nri/026v4PEzlsn9zB0UWP2lm3gbffj50OC+WpZd+twI/1vf/Z6Fetpwrf84qP7deOPVI/GdEAJtRnVu8baUdi1pitVR3LQLppibSDA9eMUSyQN7LgGeaBfOaWHFz2cdpo1iwEY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=M0XdHj8B; 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="M0XdHj8B" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3A1D9C4CEF1; Fri, 12 Dec 2025 11:57:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1765540645; bh=B8kaJig1Qmy/8VwfW5/KFmQMAdC8lDjti5wIe775VME=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=M0XdHj8BE5bQDXI9rljVUy7gBTq4SPI7XwXwOEOBex/YI/XhXqKwJwsK22qElrC+E pJwMUixAKg8ciHHM+tkBNR68jlb2O+lYzzDJzpPpGog64zwkxsoPKcq6FW8Tw2tJMB f1R1ZctH8Qfa2ThfuyFfYyHQjwggGaJ4s3Cv+xbbEAQaOdKgBUlIVre1oZrRX69WBY 8lGpCDoMgI7XzXkEQvwYQ5BuL+BS6VcBGTY0oZKrgIIEtDzLW7GxEeC4qRK2KCtu/p 2IQklOV4/khM+FRP+gB3ZtL1Q//EOpbiEMw8WezRmW+nZG6OBMWuX/Mr/aKFsE5ulv J6Z12aaZ7eS/g== Date: Fri, 12 Dec 2025 12:57:22 +0100 From: Frederic Weisbecker To: Thomas Gleixner Cc: Chris Mason , LKML , Marek Szyprowski , Marco Crivellari , Waiman Long , cgroups@vger.kernel.org Subject: Re: [PATCH] genirq: Don't overwrite interrupt thread flags on setup Message-ID: References: <20251212014848.3509622-1-clm@meta.com> <87ikece8ps.ffs@tglx> <87ecp0e4cf.ffs@tglx> Precedence: bulk X-Mailing-List: cgroups@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: <87ecp0e4cf.ffs@tglx> Le Fri, Dec 12, 2025 at 01:01:04PM +0900, Thomas Gleixner a écrit : > Chris reported that the recent affinity management changes result in > overwriting the already initialized thread flags. > > Use set_bit() to set the affinity bit instead of assigning the bit value to > the flags. > > Fixes: 801afdfbfcd9 ("genirq: Fix interrupt threads affinity vs. cpuset isolated partitions") > Reported-by: Chris Mason > Signed-off-by: Thomas Gleixner > Closes: https://lore.kernel.org/all/20251212014848.3509622-1-clm@meta.com Whoops! Acked-by: Frederic Weisbecker -- Frederic Weisbecker SUSE Labs