tree 655955aa81aefeff441c412adaafe9b51a00ff56
parent b47e8608a08766ef8121cd747d3aaf6c3dc22649
author Avi Kivity <avi@qumranet.com> 1185450043 +0200
committer Ingo Molnar <mingo@elte.hu> 1185450043 +0200

[PATCH] sched: arch preempt notifier mechanism

This adds a general mechanism whereby a task can request the scheduler to
notify it whenever it is preempted or scheduled back in.  This allows the
task to swap any special-purpose registers like the fpu or Intel's VT
registers.

Signed-off-by: Avi Kivity <avi@qumranet.com>
[ mingo@elte.hu: fixes, cleanups ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>