From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-f181.google.com (mail-we0-f181.google.com [74.125.82.181]) by kanga.kvack.org (Postfix) with ESMTP id BFCEE6B0035 for ; Thu, 28 Aug 2014 02:48:30 -0400 (EDT) Received: by mail-we0-f181.google.com with SMTP id x48so288391wes.40 for ; Wed, 27 Aug 2014 23:48:30 -0700 (PDT) Received: from mail-wi0-x22b.google.com (mail-wi0-x22b.google.com [2a00:1450:400c:c05::22b]) by mx.google.com with ESMTPS id az10si6182795wib.11.2014.08.27.23.48.29 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 27 Aug 2014 23:48:29 -0700 (PDT) Received: by mail-wi0-f171.google.com with SMTP id hi2so6921736wib.16 for ; Wed, 27 Aug 2014 23:48:29 -0700 (PDT) Date: Thu, 28 Aug 2014 08:48:25 +0200 From: Ingo Molnar Subject: Re: [PATCH 0/2] x86: Speed up ioremap operations Message-ID: <20140828064825.GA6059@gmail.com> References: <20140827225927.364537333@asylum.americas.sgi.com> <20140827160610.4ef142d28fd7f276efd38a51@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140827160610.4ef142d28fd7f276efd38a51@linux-foundation.org> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Mike Travis , mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com, msalter@redhat.com, dyoung@redhat.com, riel@redhat.com, peterz@infradead.org, mgorman@suse.de, linux-kernel@vger.kernel.org, x86@kernel.org, linux-mm@kvack.org * Andrew Morton wrote: > On Wed, 27 Aug 2014 17:59:27 -0500 Mike Travis wrote: > > > > > We have a large university system in the UK that is experiencing > > very long delays modprobing the driver for a specific I/O device. > > The delay is from 8-10 minutes per device and there are 31 devices > > in the system. This 4 to 5 hour delay in starting up those I/O > > devices is very much a burden on the customer. > > That's nuts. Agreed, and I'd suggest marking this for -stable, once it's all settled and tested. Thanks, Ingo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org