Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752728AbXFZHDL (ORCPT ); Tue, 26 Jun 2007 03:03:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753880AbXFZHCx (ORCPT ); Tue, 26 Jun 2007 03:02:53 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:43927 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752597AbXFZHCn (ORCPT ); Tue, 26 Jun 2007 03:02:43 -0400 Date: Tue, 26 Jun 2007 00:01:32 -0700 From: Andrew Morton To: "Sivakumar Subramani" Cc: "Olaf Hering" , "Stephen Hemminger" , , , "Leonid Grossman" , "Rastapur Santosh" , "Ramkrishna Vepa" , "Sriram Rapuru" , "Sreenivasa Honnur" , Jeff Garzik Subject: Re: 2.6.22: ERROR: "__ucmpdi2" [drivers/net/s2io.ko] undefined! Message-Id: <20070626000132.53330065.akpm@linux-foundation.org> In-Reply-To: <78C9135A3D2ECE4B8162EBDCE82CAD7701C190FF@nekter> References: <20070619204110.GA21384@aepfle.de> <78C9135A3D2ECE4B8162EBDCE82CAD7701C190FF@nekter> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 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 Content-Length: 3624 Lines: 112 On Thu, 21 Jun 2007 05:55:13 -0400 "Sivakumar Subramani" wrote: > -----Original Message----- > > From: netdev-owner@vger.kernel.org [mailto:netdev-owner@vger.kernel.org] > > On Behalf Of Olaf Hering > > Sent: Wednesday, June 20, 2007 2:11 AM > > To: Stephen Hemminger > > Cc: linux-kernel@vger.kernel.org; netdev@vger.kernel.org > > Subject: Re: 2.6.22: ERROR: "__ucmpdi2" [drivers/net/s2io.ko] undefined! > > > > On Tue, Jun 19, Stephen Hemminger wrote: > > > > > On Tue, 19 Jun 2007 21:02:53 +0200 > > > Olaf Hering wrote: > > > > > > > > > > > What happend to __ucmpdi2 from David Woodhouse? > > > > google has a few hits about stuff like this on 32bit powerpc with > > gcc 4.1.2: > > > > > > > > ERROR: "__ucmpdi2" [drivers/net/s2io.ko] undefined! > > > > > > > > using the drivers/net/s2io* files from 2.6.21 with 2.6.22-rc5 fixes > > > > the compile. > > > > > > > > 25805dcf9d83098cf5492117ad2669cd14cc9b24 adds two u64 >>= 48 > > > > followed by a switch statement (line 2889 and 6816). > > > > > > Probably the "switch(err) {" needs a cast to a smaller type (like u8). > > > > This change removes the calls to __ucmpdi2. (fixes quoting, fixes top-posting. Please don't top-post). > Hi, > > We will include this fix in next set of patch submission. Thanks for the > fix. > > --- > > drivers/net/s2io.c | 16 +++++++++------- > > 1 file changed, 9 insertions(+), 7 deletions(-) > > > > --- a/drivers/net/s2io.c > > +++ b/drivers/net/s2io.c > > @@ -2868,6 +2868,7 @@ static void tx_intr_handler(struct fifo_ > > struct tx_curr_get_info get_info, put_info; > > struct sk_buff *skb; > > struct TxD *txdlp; > > + u8 err_mask; > > > > get_info = fifo_data->tx_curr_get_info; > > memcpy(&put_info, &fifo_data->tx_curr_put_info, > > sizeof(put_info)); @@ -2886,8 +2887,8 @@ static void > > tx_intr_handler(struct fifo_ > > } > > > > /* update t_code statistics */ > > - err >>= 48; > > - switch(err) { > > + err_mask = err >> 48; > > + switch(err_mask) { > > case 2: > > > > nic->mac_control.stats_info->sw_stat. > > > > tx_buf_abort_cnt++; > > @@ -6805,6 +6806,7 @@ static int rx_osm_handler(struct ring_in > > u16 l3_csum, l4_csum; > > unsigned long long err = rxdp->Control_1 & RXD_T_CODE; > > struct lro *lro; > > + u8 err_mask; > > > > skb->dev = dev; > > > > @@ -6813,8 +6815,8 @@ static int rx_osm_handler(struct ring_in > > if (err & 0x1) { > > > > sp->mac_control.stats_info->sw_stat.parity_err_cnt++; > > } > > - err >>= 48; > > - switch(err) { > > + err_mask = err >> 48; > > + switch(err_mask) { > > case 1: > > sp->mac_control.stats_info->sw_stat. > > rx_parity_err_cnt++; > > @@ -6867,9 +6869,9 @@ static int rx_osm_handler(struct ring_in > > * Note that in this case, since checksum will be > > incorrect, > > * stack will validate the same. > > */ > > - if (err != 0x5) { > > - DBG_PRINT(ERR_DBG, "%s: Rx error Value: > > 0x%llx\n", > > - dev->name, err); > > + if (err_mask != 0x5) { > > + DBG_PRINT(ERR_DBG, "%s: Rx error Value: 0x%x\n", > > + dev->name, err_mask); > > sp->stats.rx_crc_errors++; > > sp->mac_control.stats_info->sw_stat.mem_freed > > += skb->truesize; > This fix is still not present in anyone's tree and is required for 2.6.22. Where are we up to with it? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/