Mike Frysinger wrote: > as it stands, this breaks all non-arm NOMMU ports. the patch will need to be > broken up into arm-specific and arm-independent parts. > > the common code changes will need justification as to why they exist at all. > we're doing MPU on Blackfin/nommu today without any of these. we support > pretty much all the same features of a MMU system short of virtual memory -- > 4k pages, RWX granularity, process to process protection, process to kernel > protection (include kernel modules), kernel XIP, and userspace XIP. > > further, why did you go with CONFIG_CPU_CP15_MPU ? there is already a > CONFIG_MPU option that is used in common nommu code.
While we're here, I'd better mention that I have a mostly ARM-compatible CPU here, with an MPU that isn't like the ARM ones - but it does use CP15 :-) -- Jamie _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
