From mboxrd@z Thu Jan 1 00:00:00 1970 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753975Ab2AILL6 (ORCPT ); Mon, 9 Jan 2012 06:11:58 -0500 Received: from h118.nextmail.ru ([194.67.36.118]:48148 "EHLO h118.nextmail.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753685Ab2AILLw (ORCPT ); Mon, 9 Jan 2012 06:11:52 -0500 To: =?koi8-r?B?TW9oYW1tZWQgU2hhZmk=?= From: =?koi8-r?B?TVI=?= CC: linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, "=?koi8-r?B?UmFqa3VtYXIgTWFub2hhcmFu?=" Subject: =?koi8-r?B?UmU6IGF0aDlrIGNyYXNoIDMuMi1yYzc=?= Date: Mon, 09 Jan 2012 15:11:49 +0400 X-Mailer: NextMail.Ru X-RemoteAddr: 195.91.224.225 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> So, I am building 3.2 with two patches: over/under-flow catcher (pity >that >> it seems to be on a multiple-times-per-second codepath and just leaving >the > > checks there for everyone is suboptimal) and allegedely proper fix. Both > > applied OK with a small offset. > > as per our assumption, we should not see those over/underflow errors, > with the patch > above mentioned. please let us know if you hit upon this warnings, > even after the proper fix. 2 hours in. It looks like 10%-20% throughput loss (both up and down with similar ratio) relative to "remove suspicious code" build. It may be some other change, of course (slightly moving the notebook, removing USB device charging from the notebook or something like that)