From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH 1/2]: powerpc/cell spidernet bottom half Date: Wed, 16 Aug 2006 12:30:29 -0400 Message-ID: <44E34825.2020105@garzik.org> References: <20060811170337.GH10638@austin.ibm.com> <20060816161856.GD20551@austin.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org, James K Lewis , Arnd Bergmann , Jens Osterkamp , akpm@osdl.org Return-path: To: Linas Vepstas In-Reply-To: <20060816161856.GD20551@austin.ibm.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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