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=-1.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,UNPARSEABLE_RELAY autolearn=ham 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 7ACFDECE562 for ; Mon, 17 Sep 2018 06:48:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1FF1B20883 for ; Mon, 17 Sep 2018 06:48:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="lVYvxSw9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1FF1B20883 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727858AbeIQMOb (ORCPT ); Mon, 17 Sep 2018 08:14:31 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:46178 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727025AbeIQMOa (ORCPT ); Mon, 17 Sep 2018 08:14:30 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w8H6iXUN080977; Mon, 17 Sep 2018 06:48:26 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2018-07-02; bh=SVJPwPS5xNoQjszD0sDMHiTQEBE2yMfPe+/eVXrGDVw=; b=lVYvxSw9Hg20J7RYEKW9TwWW2N7hwth3UVekmMR3xbOOVQ2ECfxOzkoyw+sKZqLj9Lbz 7TkJ2bLqi4C/UwYtID1xZ6Mz97qmATlBy7aWtoHv/e3BydRoWBCZhdfuxQWRQGjtrn1L LKn8WLQ8A5e9wQJJMnA6H2mCv+FLmFS/4wOLCK+X7hpBUKx3n4iMaiOVt8D9Y/yqLm+L yhmfcjYsnEwW65Ly9JmE0dqP3sQK2A2tC+q25WBXOECZ/V1WwAfg5ECtCoOgwZeAZfAN LVVqEghzZMt08mhrVTYI4FkCL7TgNXD/l2NRFOAZOhTZWfrWIBNOCmc3mYOW0AL/6Luu uw== Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by userp2130.oracle.com with ESMTP id 2mgsgtc8vw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Sep 2018 06:48:26 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w8H6mO84010475 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Sep 2018 06:48:25 GMT Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id w8H6mNYY003604; Mon, 17 Sep 2018 06:48:23 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 16 Sep 2018 23:48:23 -0700 To: Colin King Cc: Sathya Prakash , Chaitra P B , Suganath Prabu Subramani , "James E . J . Bottomley" , "Martin K . Petersen" , MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] scsi: mpt3sas: make sysfs error messages ratelimited From: "Martin K. Petersen" Organization: Oracle Corporation References: <20180907103924.17598-1-colin.king@canonical.com> Date: Mon, 17 Sep 2018 02:48:20 -0400 In-Reply-To: <20180907103924.17598-1-colin.king@canonical.com> (Colin King's message of "Fri, 7 Sep 2018 11:39:24 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9018 signatures=668708 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=444 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1809170072 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Colin, > It is possible to heavily spam the kernel logs with messages by > excessive reading of the mpt3sas sysfs files. Make the error messages > ratelimited to reduce the spamming effect. That's a bug. Please just nuke all of these. -- Martin K. Petersen Oracle Linux Engineering