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追加

# IPI_PREEMPTION instructs the kernel to preempt threads running on other
# CPUS if needed.  Relies on the PREEMPTION option

• options IPI_PREEMPTION

commit log

Add IPI support for preempting a thread on another CPU.

MFC after

3 weeks

$FreeBSD: src/sys/conf/NOTES,v 1.1321 2005/06/09 18:23:54 ups Exp $
$FreeBSD: src/sys/conf/NOTES,v 1.1322 2005/06/09 18:59:21 ups Exp $
$FreeBSD: src/sys/conf/NOTES,v 1.1324 2005/06/14 14:21:24 ups Exp $