RE: [PATCH] [media] videobuf-dma-contig: replace vm_iomap_memory() with remap_pfn_range().

2014-09-24 Thread chen.f...@freescale.com
Thanks for your idea, Marek and Hans. This change makes sense. And I've already verified it. I'll resubmit my change soon. Best regards, Fancy Fang -Original Message- From: Hans Verkuil [mailto:hverk...@xs4all.nl] Sent: Wednesday, September 24, 2014 8:43 PM To: Marek Szyprowski; Fang Che

RE: [PATCH] [media] videobuf-dma-contig: replace vm_iomap_memory() with remap_pfn_range().

2014-09-24 Thread chen.f...@freescale.com
Thanks for your idea, Marek and Hans. This change makes sense. And I've already verified it. I'll resubmit my change soon. Best regards, Fancy Fang -Original Message- From: Hans Verkuil [mailto:hverk...@xs4all.nl] Sent: Wednesday, September 24, 2014 8:43 PM To: Marek Szyprowski; Fang Che

RE: [PATCH] [media] videobuf-dma-contig: replace vm_iomap_memory() with remap_pfn_range().

2014-09-23 Thread chen.f...@freescale.com
other look. I'll see if I can do that tomorrow. Regards, Hans On 09/23/2014 05:11 AM, chen.f...@freescale.com wrote: > Hans, > Do you have any more comment on this patch? > > Best regards, > Fancy Fang > > -Original Message- > From: Fang Chen-B47543

RE: [PATCH] [media] videobuf-dma-contig: replace vm_iomap_memory() with remap_pfn_range().

2014-09-22 Thread chen.f...@freescale.com
org; Marek Szyprowski Subject: Re: [PATCH] [media] videobuf-dma-contig: replace vm_iomap_memory() with remap_pfn_range(). On 09/10/14 09:14, chen.f...@freescale.com wrote: > It is not a theoretically issue, it is a real case that the mapping failed > issue happens in 3.14.y kernel but not happens

RE: [PATCH] [media] videobuf-dma-contig: replace vm_iomap_memory() with remap_pfn_range().

2014-09-10 Thread chen.f...@freescale.com
It is not a theoretically issue, it is a real case that the mapping failed issue happens in 3.14.y kernel but not happens in previous 3.10.y kernel. So I need your confirmation on it. Thanks. Best regards, Fancy Fang -Original Message- From: Hans Verkuil [mailto:hverk...@xs4all.nl] Sen

RE: [PATCH] [media] videobuf-dma-contig: replace vm_iomap_memory() with remap_pfn_range().

2014-09-10 Thread chen.f...@freescale.com
To: Fang Chen-B47543; m.che...@samsung.com; v...@zeniv.linux.org.uk Cc: Guo Shawn-R65073; linux-me...@vger.kernel.org; linux-kernel@vger.kernel.org; Marek Szyprowski Subject: Re: [PATCH] [media] videobuf-dma-contig: replace vm_iomap_memory() with remap_pfn_range(). On 09/10/14 09:14, chen.f