From 7d0d2d385ca7cc511f7d1c64735a1b4aaefd9a1b Mon Sep 17 00:00:00 2001
From: Steffen Klassert <steffen.klassert@secunet.com>
Date: Thu, 29 Apr 2010 14:40:53 +0200
Subject: [PATCH] padata: Remove superfluous might_sleep
might_sleep() was placed before mutex_lock() in some places.
We remove them because mutex_lock() does might_sleep() too.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
kernel/padata.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/kernel/padata.c b/kernel/padata.c
index 1209a17b9718..5fa6ba6f11bd 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -443,8 +443,6 @@ int padata_set_cpumask(struct padata_instance *pinst,
struct parallel_data *pd;
int err = 0;
- might_sleep();
-
mutex_lock(&pinst->lock);
pd = padata_alloc_pd(pinst, cpumask);
@@ -489,8 +487,6 @@ int padata_add_cpu(struct padata_instance *pinst, int cpu)
{
int err;
- might_sleep();
-
mutex_lock(&pinst->lock);
cpumask_set_cpu(cpu, pinst->cpumask);
@@ -527,8 +523,6 @@ int padata_remove_cpu(struct padata_instance *pinst, int cpu)
{
int err;
- might_sleep();
-
mutex_lock(&pinst->lock);
cpumask_clear_cpu(cpu, pinst->cpumask);
@@ -547,8 +541,6 @@ EXPORT_SYMBOL(padata_remove_cpu);
*/
void padata_start(struct padata_instance *pinst)
{
- might_sleep();
-
mutex_lock(&pinst->lock);
pinst->flags |= PADATA_INIT;
mutex_unlock(&pinst->lock);
@@ -562,8 +554,6 @@ EXPORT_SYMBOL(padata_start);
*/
void padata_stop(struct padata_instance *pinst)
{
- might_sleep();
-
mutex_lock(&pinst->lock);
pinst->flags &= ~PADATA_INIT;
mutex_unlock(&pinst->lock);
--
2.34.1