Rick Spanbauer wrote: > Howdy - I am having a bit of a problem with a kernel port I've been working > on recently. Linux is up and running to the initial sh prompt, networking/ethernet > works, and so on. When I try a mount(), I am getting a kernel page fault. Between > a few hours worth of debugging and some Googling around, I believe I understand > what is happening, ie when copy_mount_option is copying in from user space, it > seems to be running off the end of the data segment (code was apparently written with > the assumption that this is legal). I can think of several different solutions, but > the question is this - is there some common, accepted practice solution to > this particular problem? From searching the discussion groups, this class of problem > seems to be a known issue, but the arguments pro/con about what to do about > it never seem to converge :) So before tracking off into the wilderness > on my own, I thought I might ask! Tnx Rick Spanbauer > Congradulations! You must have checked out the kernel from OSS CVS tree sometime in the past a couple of days. There is a small time window when Ralf checked in the "correct epc for delay slot" fix with a typo and later got fixed again. And coyp_mount_option() kernel fault was the symptom of the typo. Get the latest code and give it a try. Jun
