49 lines
1.3 KiB
Diff
49 lines
1.3 KiB
Diff
Subject: cond-resched-softirq-fix.patch
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Thu, 14 Jul 2011 09:56:44 +0200
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.14/patches-3.14.10-rt7.tar.xz
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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include/linux/sched.h | 4 ++++
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kernel/sched/core.c | 2 ++
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2 files changed, 6 insertions(+)
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--- a/include/linux/sched.h
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+++ b/include/linux/sched.h
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@@ -2733,12 +2733,16 @@ extern int __cond_resched_lock(spinlock_
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__cond_resched_lock(lock); \
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})
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+#ifndef CONFIG_PREEMPT_RT_FULL
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extern int __cond_resched_softirq(void);
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#define cond_resched_softirq() ({ \
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__might_sleep(__FILE__, __LINE__, SOFTIRQ_DISABLE_OFFSET); \
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__cond_resched_softirq(); \
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})
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+#else
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+# define cond_resched_softirq() cond_resched()
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+#endif
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static inline void cond_resched_rcu(void)
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{
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--- a/kernel/sched/core.c
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+++ b/kernel/sched/core.c
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@@ -4227,6 +4227,7 @@ int __cond_resched_lock(spinlock_t *lock
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}
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EXPORT_SYMBOL(__cond_resched_lock);
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+#ifndef CONFIG_PREEMPT_RT_FULL
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int __sched __cond_resched_softirq(void)
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{
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BUG_ON(!in_softirq());
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@@ -4240,6 +4241,7 @@ int __sched __cond_resched_softirq(void)
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return 0;
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}
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EXPORT_SYMBOL(__cond_resched_softirq);
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+#endif
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/**
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* yield - yield the current processor to other threads.
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