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Message-Id: <1253804178-7324-1-git-send-email-aaro.koskinen@nokia.com>
Date: Thu, 24 Sep 2009 17:56:18 +0300
From: Aaro Koskinen <aaro.koskinen@...ia.com>
To: mingo@...e.hu, peterz@...radead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] sched: try to ensure that scheduling bugs reach the user
This will help debugging on some embedded devices where bugs and oopses
are recorded by mtdoops.
Signed-off-by: Aaro Koskinen <aaro.koskinen@...ia.com>
---
kernel/sched.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c
index 2f76e06..19fe1ef 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5279,6 +5279,7 @@ static noinline void __schedule_bug(struct task_struct *prev)
{
struct pt_regs *regs = get_irq_regs();
+ bust_spinlocks(1);
printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n",
prev->comm, prev->pid, preempt_count());
@@ -5291,6 +5292,7 @@ static noinline void __schedule_bug(struct task_struct *prev)
show_regs(regs);
else
dump_stack();
+ bust_spinlocks(0);
}
/*
--
1.5.4.3
--
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