From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753951AbaEFQKL (ORCPT ); Tue, 6 May 2014 12:10:11 -0400 Received: from mail.skyhub.de ([78.46.96.112]:48111 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753905AbaEFQKJ (ORCPT ); Tue, 6 May 2014 12:10:09 -0400 Date: Tue, 6 May 2014 18:10:04 +0200 From: Borislav Petkov To: Mike Galbraith Cc: lkml , x86-ml , Peter Zijlstra , Mel Gorman , Steven Rostedt Subject: Re: Slow down stupid pounders Message-ID: <20140506161004.GC25013@pd.tnic> References: <20140506102924.GA25013@pd.tnic> <1399388899.5192.273.camel@marge.simpson.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1399388899.5192.273.camel@marge.simpson.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 06, 2014 at 05:08:19PM +0200, Mike Galbraith wrote: > Rather than ratelimit the interface perhaps send a ratelimited note > telling the user straight up that he's begging for trouble. We can > ignore it when regression testing, and point it out to Joe Pounder > should he fail to notice.. or be somewhat dense. Yeah, if those dudes don't stare at dmesg, that note doesn't bring us whit. Alternatively, we could do add_taint(TAINT_HOTPLUG_POUNDER) when the rate is exceeded... I'd rather like to slow it down for a second, though, if it doesn't hurt any sensible use cases in doing so. -- Regards/Gruss, Boris. Sent from a fat crate under my desk. Formatting is fine. --