On Thursday 06 May 2010 06:06:21, Mauro Carvalho Chehab wrote:
> Hi Arnout,
>
> Arnout Vandecappelle wrote:
> > videobuf_dma_init_user_locked() uses get_user_pages() to get the
> > virtual-to-physical address mapping for user-allocated memory.
> > However, the user-allocated memory may be non-pag
Hi Arnout,
Arnout Vandecappelle wrote:
> videobuf_dma_init_user_locked() uses get_user_pages() to get the
> virtual-to-physical address mapping for user-allocated memory.
> However, the user-allocated memory may be non-pageable because it
> is an I/O range or similar. get_user_pages() fails with
.@infradead.org; arn...@mind.be
> Subject: [PATCH 2/2] V4L/DVB: buf-dma-sg.c: support non-pageable user-
> allocated memory
>
> videobuf_dma_init_user_locked() uses get_user_pages() to get the
> virtual-to-physical address mapping for user-allocated memory.
> However, the user-all
videobuf_dma_init_user_locked() uses get_user_pages() to get the
virtual-to-physical address mapping for user-allocated memory.
However, the user-allocated memory may be non-pageable because it
is an I/O range or similar. get_user_pages() fails with -EFAULT
in that case.
If the user-allocated mem
videobuf_dma_init_user_locked() uses get_user_pages() to get the
virtual-to-physical address mapping for user-allocated memory.
However, the user-allocated memory may be non-pageable because it
is an I/O range or similar. get_user_pages() fails with -EFAULT
in that case.
If the user-allocated mem
