From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darcy Watkins" Subject: RE: preempt rt in commercial use Date: Tue, 14 Sep 2010 06:37:57 -0700 Message-ID: References: <201009141317.13439@zigzag.lvk.cs.msu.su><20100914094411.GB10841@pengutronix.de><4C8F67A6.1030409@steinhoff.de> <87d3sglb1c.fsf@lola.goethe.zz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT To: Return-path: Received: from mail2.tranzeo.com ([64.114.87.10]:18370 "EHLO mail2.tranzeo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751595Ab0INNh6 convert rfc822-to-8bit (ORCPT ); Tue, 14 Sep 2010 09:37:58 -0400 Content-class: urn:content-classes:message In-Reply-To: <87d3sglb1c.fsf@lola.goethe.zz> Sender: linux-rt-users-owner@vger.kernel.org List-ID: I have used RT preemption to ensure that WiMAX radio PHY and MAC drivers can be appropriately prioritized to avoid hardware I/O overun and underrun conditions. Like some have mentioned, trying to maintain this essential stability simultaneous with high throughput (especially high bandwidth stream of really small packets) can still be a challenge. Regards, Darcy