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authorLinus Torvalds <torvalds@linux-foundation.org>2013-09-04 08:36:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-04 08:36:35 -0700
commit5e0b3a4e88012d259e8b2c0f02f393c79686daf9 (patch)
tree1c6d7be145a7cce77996049eb78877ed95e87a4f /kernel/smp.c
parent0d99b7087324978b09b59d8c7a0736214c4a42b1 (diff)
parent10866e62e8a6907d9072f10f9a0561db0c0cf50b (diff)
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Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler changes from Ingo Molnar: "Various optimizations, cleanups and smaller fixes - no major changes in scheduler behavior" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/fair: Fix the sd_parent_degenerate() code sched/fair: Rework and comment the group_imb code sched/fair: Optimize find_busiest_queue() sched/fair: Make group power more consistent sched/fair: Remove duplicate load_per_task computations sched/fair: Shrink sg_lb_stats and play memset games sched: Clean-up struct sd_lb_stat sched: Factor out code to should_we_balance() sched: Remove one division operation in find_busiest_queue() sched/cputime: Use this_cpu_add() in task_group_account_field() cpumask: Fix cpumask leak in partition_sched_domains() sched/x86: Optimize switch_mm() for multi-threaded workloads generic-ipi: Kill unnecessary variable - csd_flags numa: Mark __node_set() as __always_inline sched/fair: Cleanup: remove duplicate variable declaration sched/__wake_up_sync_key(): Fix nr_exclusive tasks which lead to WF_SYNC clearing
Diffstat (limited to 'kernel/smp.c')
-rw-r--r--kernel/smp.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/kernel/smp.c b/kernel/smp.c
index b1c9034bdfcb..449b707fc20d 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -186,25 +186,13 @@ void generic_smp_call_function_single_interrupt(void)
while (!list_empty(&list)) {
struct call_single_data *csd;
- unsigned int csd_flags;
csd = list_entry(list.next, struct call_single_data, list);
list_del(&csd->list);
- /*
- * 'csd' can be invalid after this call if flags == 0
- * (when called through generic_exec_single()),
- * so save them away before making the call:
- */
- csd_flags = csd->flags;
-
csd->func(csd->info);
- /*
- * Unlocked CSDs are valid through generic_exec_single():
- */
- if (csd_flags & CSD_FLAG_LOCK)
- csd_unlock(csd);
+ csd_unlock(csd);
}
}