Hi,
On Fri, May 2, 2025 at 3:11 PM Robin Murphy robin.murphy@arm.com wrote:
On 02/05/2025 10:59 am, Jens Wiklander wrote:
Export the global variable dma_contiguous_default_area so dev_get_cma_area() can be called a module.
What dma_map_ops implementation is in a module? Without any other context, I can't help thinking this smells of something sketchy.
I see that you found the rest of the patch set https://lore.kernel.org/lkml/20250502100049.1746335-1-jens.wiklander@linaro....
Thanks, Jens
Thanks, Robin.
Cc: Marek Szyprowski m.szyprowski@samsung.com Cc: Robin Murphy robin.murphy@arm.com Cc: iommu@lists.linux.dev Signed-off-by: Jens Wiklander jens.wiklander@linaro.org
kernel/dma/contiguous.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c index 8df0dfaaca18..eb361794a9c5 100644 --- a/kernel/dma/contiguous.c +++ b/kernel/dma/contiguous.c @@ -53,6 +53,7 @@ #endif
struct cma *dma_contiguous_default_area; +EXPORT_SYMBOL(dma_contiguous_default_area);
/*
- Default global CMA area size can be defined in kernel's .config.