Re: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread Lothar Waßmann
Hi, David Laight wrote: > From: Lothar Waßmann > > David Laight wrote: > > > From: Lothar Waßmann > > > > commit 1b7bde6d659d ("net: fec: implement rx_copybreak to improve rx > > > > performance") > > > > introduced a regression for i.MX28. The swap_buffer() function doing > > > > the endian

RE: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread David Laight
From: Lothar Waßmann > David Laight wrote: > > From: Lothar Waßmann > > > commit 1b7bde6d659d ("net: fec: implement rx_copybreak to improve rx > > > performance") > > > introduced a regression for i.MX28. The swap_buffer() function doing > > > the endian conversion of the received data on i.MX28

Re: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread Lothar Waßmann
Hi, David Laight wrote: > From: Lothar Waßmann > > commit 1b7bde6d659d ("net: fec: implement rx_copybreak to improve rx > > performance") > > introduced a regression for i.MX28. The swap_buffer() function doing > > the endian conversion of the received data on i.MX28 may access memory > > beyond

Re: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread Lothar Waßmann
Hi, David Laight wrote: > From: Lothar Waßmann > > commit 1b7bde6d659d ("net: fec: implement rx_copybreak to improve rx > > performance") > > introduced a regression for i.MX28. The swap_buffer() function doing > > the endian conversion of the received data on i.MX28 may access memory > >

RE: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread David Laight
From: Lothar Waßmann > commit 1b7bde6d659d ("net: fec: implement rx_copybreak to improve rx > performance") > introduced a regression for i.MX28. The swap_buffer() function doing > the endian conversion of the received data on i.MX28 may access memory > beyond the actual packet size in the DMA

RE: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread David Laight
From: Lothar Waßmann > commit 1b7bde6d659d ("net: fec: implement rx_copybreak to improve rx > performance") > introduced a regression for i.MX28. The swap_buffer() function doing > the endian conversion of the received data on i.MX28 may access memory > beyond the actual packet size in the DMA

[PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread Lothar Waßmann
commit 1b7bde6d659d ("net: fec: implement rx_copybreak to improve rx performance") introduced a regression for i.MX28. The swap_buffer() function doing the endian conversion of the received data on i.MX28 may access memory beyond the actual packet size in the DMA buffer. fec_enet_copybreak() does

[PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread Lothar Waßmann
commit 1b7bde6d659d (net: fec: implement rx_copybreak to improve rx performance) introduced a regression for i.MX28. The swap_buffer() function doing the endian conversion of the received data on i.MX28 may access memory beyond the actual packet size in the DMA buffer. fec_enet_copybreak() does

RE: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread David Laight
From: Lothar Waßmann commit 1b7bde6d659d (net: fec: implement rx_copybreak to improve rx performance) introduced a regression for i.MX28. The swap_buffer() function doing the endian conversion of the received data on i.MX28 may access memory beyond the actual packet size in the DMA buffer.

RE: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread David Laight
From: Lothar Waßmann commit 1b7bde6d659d (net: fec: implement rx_copybreak to improve rx performance) introduced a regression for i.MX28. The swap_buffer() function doing the endian conversion of the received data on i.MX28 may access memory beyond the actual packet size in the DMA buffer.

Re: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread Lothar Waßmann
Hi, David Laight wrote: From: Lothar Waßmann commit 1b7bde6d659d (net: fec: implement rx_copybreak to improve rx performance) introduced a regression for i.MX28. The swap_buffer() function doing the endian conversion of the received data on i.MX28 may access memory beyond the actual

Re: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread Lothar Waßmann
Hi, David Laight wrote: From: Lothar Waßmann commit 1b7bde6d659d (net: fec: implement rx_copybreak to improve rx performance) introduced a regression for i.MX28. The swap_buffer() function doing the endian conversion of the received data on i.MX28 may access memory beyond the actual

RE: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread David Laight
From: Lothar Waßmann David Laight wrote: From: Lothar Waßmann commit 1b7bde6d659d (net: fec: implement rx_copybreak to improve rx performance) introduced a regression for i.MX28. The swap_buffer() function doing the endian conversion of the received data on i.MX28 may access memory

Re: [PATCHv2 6/6] net: fec: fix regression on i.MX28 introduced by rx_copybreak support

2014-10-28 Thread Lothar Waßmann
Hi, David Laight wrote: From: Lothar Waßmann David Laight wrote: From: Lothar Waßmann commit 1b7bde6d659d (net: fec: implement rx_copybreak to improve rx performance) introduced a regression for i.MX28. The swap_buffer() function doing the endian conversion of the received