From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.dvmed.net (srv5.dvmed.net [207.36.208.214]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id 5611967B6D for ; Thu, 17 Aug 2006 02:30:55 +1000 (EST) Message-ID: <44E34825.2020105@garzik.org> Date: Wed, 16 Aug 2006 12:30:29 -0400 From: Jeff Garzik MIME-Version: 1.0 To: Linas Vepstas Subject: Re: [PATCH 1/2]: powerpc/cell spidernet bottom half References: <20060811170337.GH10638@austin.ibm.com> <20060816161856.GD20551@austin.ibm.com> In-Reply-To: <20060816161856.GD20551@austin.ibm.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: akpm@osdl.org, Arnd Bergmann , netdev@vger.kernel.org, James K Lewis , linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, Jens Osterkamp List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Linas Vepstas wrote: > Please apply and forward upstream. This patch requires the previous > sequence of 4 spidernet patches to be applied. > > --linas > > > The recent set of low-waterark patches for the spider result in a > significant amount of computing being done in an interrupt context. > This patch moves this to a "bottom half" aka work queue, so that > the code runs in a normal kernel context. Curiously, this seems to > result in a performance boost of about 5% for large packets. > > Signed-off-by: Linas Vepstas > Cc: Utz Bacher > Cc: Jens Osterkamp Let's not reinvented NAPI, shall we... Jeff