> For some esoteric feature that I'm trying to implement, I need to be able to > modify the IDT from within a kernel module. I am assuming you know this is essentially a "hack" and should be done for educational purposes only. > Is a sti() / cli() enough to protect a critical section? Or should I use a > synchronization primitive exposed by the kernel? cli/sti() interfaces are now outdated as they disable the interrupts on _all_ processors (unless you are using it in interrupt context, where it'll disable interrupts on the local CPU). ./h -- Operating Systems and Computer Architecture Research - University of Cincinnati http://www.ececs.uc.edu/~mohapth -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
