On Thu, Jun 11, 2020 at 12:20:29PM -0700, David Rientjes wrote: > If arch_dma_set_uncached() fails after memory has been decrypted, it needs > to be re-encrypted before freeing. > > Fixes: fa7e2247c572 ("dma-direct: make uncached_kernel_address more > general") > Cc: sta...@vger.kernel.org # 5.7 > Signed-off-by: David Rientjes <rient...@google.com>
Note that this can't really happen in practice as CONFIG_ARCH_HAS_DMA_SET_UNCACHED and memory encryption are mutally exclusive in pracrie. Still looks ok and useful otherwise.