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

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

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

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

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

he knows a lot more about this stuff than I do. I'm sorry for a delay, I was really busy with other things. Signed-off-by: Fancy Fang chen.f...@freescale.com --- drivers/media/v4l2-core/videobuf-dma-contig.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers

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

he knows a lot more about this stuff than I do. I'm sorry for a delay, I was really busy with other things. Signed-off-by: Fancy Fang chen.f...@freescale.com --- drivers/media/v4l2-core/videobuf-dma-contig.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers

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

. 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 > Sent: Wedn

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

. 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 Sent: Wednesday, September 10, 2014 3:29 PM

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

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 in previou

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

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 in previous 3.10.y

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

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]

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

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

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

changes to videobuf. Drivers should all migrate to vb2. I have CC-ed Marek as well since he knows a lot more about this stuff than I do. Regards, Hans Signed-off-by: Fancy Fang chen.f...@freescale.com --- drivers/media/v4l2-core/videobuf-dma-contig.c | 4 +++- 1 file changed

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

this stuff than I do. Regards, Hans Signed-off-by: Fancy Fang chen.f...@freescale.com --- drivers/media/v4l2-core/videobuf-dma-contig.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/v4l2-core/videobuf-dma-contig.c b/drivers/media/v4l2-core/videobuf