ARM: mm: remove redundant dsb() prior to range TLB invalidation

The kernel TLB range invalidation functions already contain dsb
instructions before and after the maintenance, so there is no need to
introduce additional barriers.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
1 file changed