Merge patch series "riscv: fix patching with IPI"

Alexandre Ghiti <[email protected]> says:

patch 1 removes a useless memory barrier and patch 2 actually fixes the
issue with IPI in the patching code.

* b4-shazam-merge:
  riscv: Fix text patching when IPI are used
  riscv: Remove superfluous smp_mb()

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>