Re: [RFC][PATCH 2/2] dma-buf: heaps: Allow system & cma heaps to be configured as a modules

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On Mon, Nov 4, 2019 at 2:24 AM Daniel Vetter <daniel@xxxxxxxx> wrote:
> On Fri, Oct 25, 2019 at 11:48:34PM +0000, John Stultz wrote:
> > Allow loading system and cma heap as a module instead of just as
> > a statically built in heap.
> >
> > Since there isn't a good mechanism for dmabuf lifetime tracking
> > it isn't safe to allow the heap drivers to be unloaded, so these
> > drivers do not implement any module unloading functionality and
> > will show up in lsmod as "[permanent]".
>
> dma-buf itself has all the try_module_get we'll need ... why is this not
> possible?

Let me look into that.  Thanks for the pointer.

thanks
-john
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