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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CA97BC636D4 for ; Wed, 15 Feb 2023 23:05:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229838AbjBOXFo (ORCPT ); Wed, 15 Feb 2023 18:05:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59070 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229554AbjBOXFn (ORCPT ); Wed, 15 Feb 2023 18:05:43 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF4A5E0 for ; Wed, 15 Feb 2023 15:05:42 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 766A561B43 for ; Wed, 15 Feb 2023 23:05:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E0FCC433EF; Wed, 15 Feb 2023 23:05:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1676502341; bh=RtL6hxAnjuRBfbLz+i1e+w3LttK+qtO7rfCnUoaWFYw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Zoay7Hmt9tmn4zStZNlWv2coQ+w92vsxNwqrNyeRmfEjlgCyjrKuMVMvE9NzKbdhE opJQeFqs0ooeBVAekhWaINq7gTvC10JMp+y18HnZHFF0zDSQKHS9ZbrgI9Sal82Bmg 7eIFMW8rMp4ymHhxJASUqP5wwmQPNn3pMyyzJc/QFhWVWaef54KhmEQ4bCf8MQJLct pGVI+vqG7MJWADL4jsitJHllsiuXX0ghxQyEIhpSjKX7udEdkmUsVL1cJEZ4EAQygr mw9LSq6teXo+cQl5zJInihtT3FmtX9KniiX3Rfd/ANEJb3aQO6wbEWUyL2gUxc1ctu ntM2Lws0UzUxA== Date: Wed, 15 Feb 2023 15:05:40 -0800 From: Jakub Kicinski To: Paolo Abeni Cc: netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Shuah Khan Subject: Re: [PATCH net-next 0/2] net: default_rps_mask follow-up Message-ID: <20230215150540.5441eb8c@kernel.org> In-Reply-To: References: <20230215112954.7990caa5@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, 15 Feb 2023 21:33:01 +0100 Paolo Abeni wrote: > That is not needed, as every other devices forwarding packets to the > netns has proper isolation (RPS or IRQ affinity) already set. If the > child ns device RPS configuration is left unchanged, the incoming > packets in the child netns go through an unneeded RPS stage, which > could be a bad thing if the selected CPU is on a different NUMA node. I see your point now. Must have been low on coffee in the morning. Thanks!