Messages in this thread Patch in this message | | | Date | Sat, 17 Nov 2007 01:21:16 -0500 | From | Steven Rostedt <> | Subject | [PATCH v3 12/17] Allow current_cpu to be included in search |
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From: Gregory Haskins <ghaskins@novell.com>
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> Signed-off-by: Steven Rostedt <srostedt@redhat.com> ---
kernel/sched_rt.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
Index: linux-compile.git/kernel/sched_rt.c =================================================================== --- linux-compile.git.orig/kernel/sched_rt.c 2007-11-16 22:23:43.000000000 -0500 +++ linux-compile.git/kernel/sched_rt.c 2007-11-16 22:23:45.000000000 -0500 @@ -270,9 +270,6 @@ static int find_lowest_rq(struct task_st 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; @@ -300,7 +297,7 @@ static struct rq *find_lock_lowest_rq(st 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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