Messages in this thread Patch in this message | | | From | Gregory Haskins <> | Subject | [PATCH 4/8] RT: Allow current_cpu to be included in search | Date | Mon, 05 Nov 2007 16:48:53 -0700 |
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It doesn't hurt if we allow the current CPU to be included in the search. We will just simply skip it later if the current CPU turns out to be the lowest.
We will use this later in the series
Signed-off-by: Gregory Haskins <ghaskins@novell.com> ---
kernel/sched_rt.c | 5 +---- 1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index fbe7b8a..7dd67db 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -326,9 +326,6 @@ static int find_lowest_rq(struct task_struct *task) for_each_cpu_mask(cpu, cpu_mask) { struct rq *rq = cpu_rq(cpu); - if (cpu == rq->cpu) - continue; - /* We look for lowest RT prio or non-rt CPU */ if (rq->rt.highest_prio >= MAX_RT_PRIO) { lowest_rq = rq; @@ -356,7 +353,7 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task, for (tries = 0; tries < RT_MAX_TRIES; tries++) { cpu = find_lowest_rq(task); - if (cpu == -1) + if ((cpu == -1) || (cpu == rq->cpu)) break; lowest_rq = cpu_rq(cpu); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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