On Tue, Oct 19, 2021 at 12:56:36PM -0700, David Rientjes wrote:
> > - dma_set_encrypted(dev, vaddr, 1 << page_order);
> > + if (dma_set_encrypted(dev, vaddr, 1 << page_order)) {
> > + pr_warn_ratelimited(
> > + "leaking DMA memory that can't be re-encrypted\n");
> >
On Tue, 19 Oct 2021, Christoph Hellwig wrote:
> We must never unencryped memory go back into the general page pool.
> So if we fail to set it back to encrypted when freeing DMA memory, leak
> the memory insted and warn the user.
>
> Signed-off-by: Christoph Hellwig
> ---
> kernel/dma/direct.c
We must never unencryped memory go back into the general page pool.
So if we fail to set it back to encrypted when freeing DMA memory, leak
the memory insted and warn the user.
Signed-off-by: Christoph Hellwig
---
kernel/dma/direct.c | 17 +
1 file changed, 13 insertions(+), 4
