I'm far of being an expert in cache coherency but, from past experiences,
I have notice that ION cache management give good performances and is
simple to understand.
ION mark as "dirty" the mapped pages in wm_fault function and check this
flag while mapping the buffer in kernel space.
If the flag
On Fri, Jun 19, 2015 at 02:52:27PM +0100, Daniel Thompson wrote:
> This patch set started out as a single patch with a trivial bit of
> boilerplate to add dmabuf mmap support to the msm driver. However Rob
> Clark pointed out that, rather than keep one of the tricks I had used, it
> would be better
This patch set started out as a single patch with a trivial bit of
boilerplate to add dmabuf mmap support to the msm driver. However Rob
Clark pointed out that, rather than keep one of the tricks I had used, it
would be better to change the helpers resulting in this series.
I've tested this both w
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