On Thu, May 17, 2018 at 11:35:46AM +0100, Marc Zyngier wrote: > On systems where CTR_EL0.DIC is set, we don't need to perform > icache invalidation to guarantee that we'll fetch the right > instruction stream. > > This also means that taking a permission fault to invalidate the > icache is an unnecessary overhead. > > On such systems, we can safely leave the page as being executable. > > Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>