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SMP - cpu_is_idle made volatile

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Tomas Hruby 2011-11-04 17:47:45 +00:00 committed by Tomas Hruby
parent 8fa95abae4
commit 41bd5f2fc6
1 changed files with 1 additions and 1 deletions
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kernel/cpulocals.h
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@ -74,7 +74,7 @@ DECLARE_CPULOCAL(struct proc *, ptproc);
/* CPU private run queues */
DECLARE_CPULOCAL(struct proc *, run_q_head[NR_SCHED_QUEUES]); /* ptrs to ready list headers */
DECLARE_CPULOCAL(struct proc *, run_q_tail[NR_SCHED_QUEUES]); /* ptrs to ready list tails */
DECLARE_CPULOCAL(int, cpu_is_idle); /* let the others know that you are idle */
DECLARE_CPULOCAL(volatile int, cpu_is_idle); /* let the others know that you are idle */
DECLARE_CPULOCAL(volatile int, idle_interrupted); /* to interrupt busy-idle
while profiling */