On Mon, 2005-12-12 at 16:34 -0500, Clem Taylor wrote: > Hi, > > It seems that mprotect(PROT_NONE) isn't actually doing anything on my > 2.6.14 au1550 system. > > Attached is a simple test that allocates 64K (64K aligned), > reads/writes the buffer, mprotect(PROT_NONE) the buffer and then > attempts to read and write to the buffer a second time. I expected > that writing to a PROT_NONE page would result in a segfault, but on > the Au1550 the program runs without faulting. Running the same code on > x86 (2.6.13) segfaults as expected. > > Is there some reason why mprotect() wouldn't work on the Au1550, or is > this a bug? Do you have another MIPS system you can test this on? Pete
