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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-01-07 13:41:40 +0100
committerIngo Molnar <mingo@elte.hu>2011-01-07 15:55:45 +0100
commitc9b5f501ef1580faa30c40c644b7691870462201 (patch)
treed22df12b72bc90b130254078ee71b1b7e7e3e521 /kernel/kthread.c
parent524429c31b486c05449666b94613f59f729c0a84 (diff)
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op-kernel-dev-c9b5f501ef1580faa30c40c644b7691870462201.tar.gz
sched: Constify function scope static struct sched_param usage
Function-scope statics are discouraged because they are easily overlooked and can cause subtle bugs/races due to their global (non-SMP safe) nature. Linus noticed that we did this for sched_param - at minimum make the const. Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: Message-ID: <AANLkTinotRxScOHEb0HgFgSpGPkq_6jKTv5CfvnQM=ee@mail.gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/kthread.c')
-rw-r--r--kernel/kthread.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 5355cfd..c55afba 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -148,7 +148,7 @@ struct task_struct *kthread_create(int (*threadfn)(void *data),
wait_for_completion(&create.done);
if (!IS_ERR(create.result)) {
- static struct sched_param param = { .sched_priority = 0 };
+ static const struct sched_param param = { .sched_priority = 0 };
va_list args;
va_start(args, namefmt);
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