13.10.10, 00:27, "Matthew Dempsky" <[email protected]>: > On Tue, Oct 12, 2010 at 1:15 PM, Dmitry-T wrote: > > Have OpenBSD non-preemptible kernel code? > > OpenBSD kernel code running in "process context" (i.e., kernel threads > and user processes running system calls) cannot preempt one another. > However, interrupts may preempt processes or other interrupts of lower > priority. > > Also, currently only one CPU may run in kernel space at a time. > (Hopefully this limitation will go away someday.)
Thank you. -- Dmitry Telegin
