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 1FFBB219ED; Sun, 8 Sep 2024 14:16:47 +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=1725805007; cv=none; b=l3YOzEjsyhVsKac/K8otvJu8sttC6woMYdVH3N2l8bfWD3sKPHx0E3vCCA8BDyMTG2G1IpbI6DB2voiu2F1BtFRM02KL0JuCla4CwVltm7Ok9YzgJGNHJyEFGMdr06Y8P3oAzQdk+cwHAWqmOkktKFTuYZi4KyZiJ7E4VrTrOf8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725805007; c=relaxed/simple; bh=pHNcDJMehNmwTcOYCBIameuZ6HiWdQJwHyiKfvLIY8w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=DZPAXy3K5AfJFpDXwB9IuWFBhXUXSYxx2iMe95jl+bk/sKXDkmBiKgam9eAFhjLMELRlAPhnoABiYd79PrxAksf/7VKJB9opolw9pIVKBNQ/H+EqeJEGCRlO5nJQ4tmpO4Y5C9IktJ1DLr0p+93HcX1YleT7ryoQf9zYf/GpR+Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=XSqy+/+k; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="XSqy+/+k" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83B5FC4CEC3; Sun, 8 Sep 2024 14:16:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1725805006; bh=pHNcDJMehNmwTcOYCBIameuZ6HiWdQJwHyiKfvLIY8w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XSqy+/+kdluC1CjQkeYdtNPTUkphQW9laD+Y0PqZXfQELl6u//b5nCnOC3pljdUet WoUieKz59s8IOUk+pQfViI29EdnlQ+K1pSHPlqX8UFXDfsafGfTUAWanYohvcF0d5S VLZvmBCeErNcxwXg9I9wusnZA38QGuWgNFeAk8cw= Date: Sun, 8 Sep 2024 16:16:44 +0200 From: Greg KH To: Felix Moessbauer Cc: stable@vger.kernel.org, io-uring@vger.kernel.org, cgroups@vger.kernel.org, axboe@kernel.dk, asml.silence@gmail.com, dqminh@cloudflare.com, longman@redhat.com, adriaan.schmidt@siemens.com, florian.bezdeka@siemens.com Subject: Re: [PATCH][6.1][0/2] io_uring: Do not set PF_NO_SETAFFINITY on poller threads Message-ID: <2024090835-manhood-attentive-c829@gregkh> References: <20240906095321.388613-1-felix.moessbauer@siemens.com> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240906095321.388613-1-felix.moessbauer@siemens.com> On Fri, Sep 06, 2024 at 11:53:19AM +0200, Felix Moessbauer wrote: > Setting the PF_NO_SETAFFINITY flag creates problems in combination with > cpuset operations (see commit messages for details). To mitigate this, fixes have > been written to remove the flag from the poller threads, which landed in v6.3. We > need them in v6.1 as well. All queued up, thanks. greg k-h