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sched: fix build error in kernel/sched_rt.c when RT_GROUP_SCHED && !SMP

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Ingo found a build error in the scheduler when RT_GROUP_SCHED was
enabled, but SMP was not.  This patch rearranges the code such
that it is a little more streamlined and compiles under all permutations
of SMP, UP and RT_GROUP_SCHED.  It was boot tested on my 4-way x86_64
and it still passes preempt-test.

Signed-off-by: Gregory Haskins <ghaskins@novell.com>
This commit is contained in:
Gregory Haskins
2009-01-14 09:10:04 -05:00
parent b07430ac37
commit 398a153b16
2 changed files with 176 additions and 96 deletions
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4
kernel/sched.c
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@@ -466,7 +466,9 @@ struct rt_rq {
#if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED
struct {
int curr; /* highest queued rt task prio */
#ifdef CONFIG_SMP
int next; /* next highest */
#endif
} highest_prio;
#endif
#ifdef CONFIG_SMP
@@ -8267,8 +8269,10 @@ static void init_rt_rq(struct rt_rq *rt_rq, struct rq *rq)
#if defined CONFIG_SMP || defined CONFIG_RT_GROUP_SCHED
rt_rq->highest_prio.curr = MAX_RT_PRIO;
#ifdef CONFIG_SMP
rt_rq->highest_prio.next = MAX_RT_PRIO;
#endif
#endif
#ifdef CONFIG_SMP
rt_rq->rt_nr_migratory = 0;
rt_rq->overloaded = 0;