On 07/07/2014 03:25 PM, Alvise Rigo wrote: > Il 07/07/2014 14:49, Will Deacon ha scritto: >> On Mon, Jul 07, 2014 at 01:27:18PM +0100, Eric Auger wrote: >>> From: Alvise Rigo <a.r...@virtualopensystems.com> >>> >>> The flag is mandatory for the ARM SMMU so we always add it if the MMIO >>> handles it. >> >> I though the logic of this flag was changing (so that you request an NX >> mapping instead), so I'd hold off on this change until the kernel has >> decided what it's doing. > > Yes, you are right. > This patch is not needed anymore, in fact it was dropped in my last > patch series. > It should not be here, please ignore it.
OK. My apologies. Best Regards Eric > > Regards, > alvise > >> >> Also, the ARM SMMU doesn't mandate any flags, you probably need this as >> a result of using a PL330, which is an odd case of a DMA master that >> spits out EXEC transactions (instruction fetch). >> >> Will >>
