From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [Bugme-new] [Bug 10600] New: e1000 updates rx_bytes infrequently Date: Mon, 05 May 2008 16:53:58 -0700 (PDT) Message-ID: <20080505.165358.79192326.davem@davemloft.net> References: <20080505155502.3fb16590.akpm@linux-foundation.org> <20080505.161806.267621711.davem@davemloft.net> <1210035335.7941.180.camel@dell> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: akpm@linux-foundation.org, netdev@vger.kernel.org, bugme-daemon@bugzilla.kernel.org, jesse.brandeburg@intel.com, john.ronciak@intel.com, liblit@acm.org To: mchan@broadcom.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45260 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753407AbYEEXx6 (ORCPT ); Mon, 5 May 2008 19:53:58 -0400 In-Reply-To: <1210035335.7941.180.camel@dell> Sender: netdev-owner@vger.kernel.org List-ID: From: "Michael Chan" Date: Mon, 05 May 2008 17:55:35 -0700 > The width of hardware counters may also be limited and so periodic > fetching or DMA may be needed to prevent overflow. To the best of my knowledge, they are all 64-bit on e1000, so I don't think it's a real issue in this specific case. But yes, in general, this is a concern.