Messages in this thread | | | From | Mike Frysinger <> | Date | Sun, 13 Sep 2009 23:52:23 -0400 | Subject | Re: [PATCH v2] NOMMU: add support for Memory Protection Units (MPU) |
| |
On Tue, Jul 14, 2009 at 13:14, Mike Frysinger wrote: > From: Bernd Schmidt <bernds_cb1@t-online.de> > > Some architectures (like the Blackfin arch) implement some of the > "simpler" features that one would expect out of a MMU such as memory > protection. In our case, we actually get read/write/exec protection > down to the page boundary so processes can't stomp on each other let > alone the kernel. There is a performance decrease (which depends greatly > on the workload) however as the hardware/software interaction was not > optimized at design time.
David: anything else need to be done here or can we merge things ? -mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |