From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 27 Feb 2001 21:35:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 27 Feb 2001 21:35:16 -0500 Received: from gateway-1237.mvista.com ([12.44.186.158]:15099 "EHLO hermes.mvista.com") by vger.kernel.org with ESMTP id ; Tue, 27 Feb 2001 21:35:01 -0500 Message-ID: <3A9C6336.D2E086A6@mvista.com> Date: Tue, 27 Feb 2001 18:32:22 -0800 From: Jun Sun X-Mailer: Mozilla 4.72 [en] (X11; U; Linux 2.2.18 i686) X-Accept-Language: en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: rx_copybreak value for non-i386 architectures Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I notice that many net drivers set rx_copybreak to 1518 (the max packet size) for non-i386 architectures. Once I thought I understood it and it seems related to cache line alignment. However, I am not sure exactly about the reason now. Can someone enlighten me a little bit? Basically I try to understand whether for MIPS architectures we need to set this value as well. Please CC your reply to my email address. TIA. Jun