These two patches are fixes that the feature depends on, but they also
fix generic issues.  So I'm picking them up for fixes as well as
for-next.

* commit 'aea702dd':
  riscv: Fix loading 64-bit NOMMU kernels past the start of RAM
  riscv: Fix TASK_SIZE on 64-bit NOMMU

Link: https://lore.kernel.org/r/20240227003630.3634533-1-samuel.holland@sifive.comSigned-off-by: Palmer Dabbelt <palmer@rivosinc.com>