This reverts commit 63da13e29daa6cbdeaa2a6c18d81d000a5f6fb1a.

This functionality can be enabled at runtime, so this patch is
unnecessary. I have documented the runtime functionality and sent a
patch upstream, which should be merged in for .35.

Signed-off-by: Chase Douglas <chase.douglas@canonical.com>
---
kernel/sched.c | 2 --
1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index fa0c12f..0724bde 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3620,8 +3620,6 @@ static noinline void __schedule_bug(struct task_struct *prev)
{
struct pt_regs *regs = get_irq_regs();

- tracing_off();
-
printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x
",
prev->comm, prev->pid, preempt_count());

--
1.7.0.4


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