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 X-Spam-Level: X-Spam-Status: No, score=-11.6 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5179FC433E1 for ; Wed, 12 Aug 2020 03:19:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2308D20756 for ; Wed, 12 Aug 2020 03:19:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="fJojYJrV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726574AbgHLDTw (ORCPT ); Tue, 11 Aug 2020 23:19:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726333AbgHLDTv (ORCPT ); Tue, 11 Aug 2020 23:19:51 -0400 Received: from mail-il1-x134.google.com (mail-il1-x134.google.com [IPv6:2607:f8b0:4864:20::134]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4DDF3C06174A for ; Tue, 11 Aug 2020 20:19:51 -0700 (PDT) Received: by mail-il1-x134.google.com with SMTP id p13so459053ilh.4 for ; Tue, 11 Aug 2020 20:19:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=u79Zq91KtrjKfL0kJU26Yc3K3AnjeKSesBGDqgFPedc=; b=fJojYJrVFM6h92HNB/yfIAS5yhx/fxBn4lPO3d5s9LnO6lESDttpWhxMhlqDannOxZ pqknJlRlfjxWl1H5sztBErWTrj04Zw0BW5QN1huCYPJBcv7ig/HiOuvhNz54mmmYOWTV 9sPP/2QDNreKnba+KZrSMObAx+3q1PbTAAWhn+Vy4sbvy4xoy8zNSVb/tvSnIpQH5WJM t4EXPohE3qsDfpmMe63Q/j1sIYjWX16FK8XnqeCfy2V5rClkZmjCsjhHkykvL3VPiE+U Z0+o9ymkfIICeVSsmIt+GQQIhSP50lEj0r+TPyupGz1Bnoz9nZDFlnxxvKad3aFXzKiz AcQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=u79Zq91KtrjKfL0kJU26Yc3K3AnjeKSesBGDqgFPedc=; b=taqnPj4rzvF8BKRTDWrwx4wu5JRQfBGx/WxbEkwY9Km3OF0R5UViWISdHjaMqKz6wR PrYTBRs8YFyeXXA/BFSbK6lFfu52VLVJO+88o91Wsjl+4v5/b8bg1G6Qmwp/14zBjs6V JZIIx1MzFA1xkI8yoOHqpNntqpE3KpvCjg1BsBtAoGfL/4GjDIn2o8Dx6omR657Xn0XQ sC7GwHVs6v9rM9a4XnAxe+X34dPDLx1zUFyYOzbI7Wq0j+ybEyQHLf32IgQEC8lioXTN 2JPYgrAU/QKyosPv4FkOyCAajVFYn5Iy/cF03A6pxfw43BM+GCcjyyHU/XyiHG2PdYRz Tj4A== X-Gm-Message-State: AOAM532Sw+sSDrwDsCadxK7Oc7wjr+vxC3EKV4N7TobblVJtFDkndqk8 W8mIpBaqLXTS15Vum1EIebBn7Nhet/gxS68WqtUSew== X-Google-Smtp-Source: ABdhPJxknfXbAMz2K5jHsswNww+KndNvGeubKIfAdnVAu8lZgxJD9BtRhAHnclot26oFuS3mB7VMU7Z+YJj1HzqeaOY= X-Received: by 2002:a92:980f:: with SMTP id l15mr17037239ili.56.1597202389210; Tue, 11 Aug 2020 20:19:49 -0700 (PDT) MIME-Version: 1.0 References: <20200812013440.851707-1-edumazet@google.com> <5b61d241-fedb-f694-c0a1-e46b0dedab66@gmail.com> In-Reply-To: <5b61d241-fedb-f694-c0a1-e46b0dedab66@gmail.com> From: =?UTF-8?Q?Maciej_=C5=BBenczykowski?= Date: Tue, 11 Aug 2020 20:19:36 -0700 Message-ID: Subject: Re: [PATCH net] net: accept an empty mask in /sys/class/net/*/queues/rx-*/rps_cpus To: David Ahern Cc: Eric Dumazet , "David S . Miller" , netdev , Eric Dumazet , Alex Belits , Nitesh Narayan Lal , Peter Zijlstra Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Before breakage, post fix: sfp6:~# echo 0 > /sys/class/net/lo/queues/rx-0/rps_cpus With breakage: lpk17:~# echo 0 > /sys/class/net/lo/queues/rx-0/rps_cpus -bash: echo: write error: Invalid argument