61609b54e2
cpu_fork() mistakenly created processes forked by proc0, including kthreads, in splhigh condition, because [1] proc0's PCB was zero cleared during initialization, and [2] value 0 in status register field made processes to have splhigh condition when CPU tick was assigned for them. This mostly doesn't matter as forked processes dive immediately into user mode through proc_trampoline code path, however, kthreads never do that and remain in splhigh. Reported by Ethan Solomita <ethan@geocast.com>. |
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