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sched: Disable scheduler warnings during oopses

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The panic-on-framebuffer code seems to cause a schedule
to occur during an oops. This causes a bunch of extra
spew as can be seen in:

   https://bugzilla.redhat.com/attachment.cgi?id=549230

Don't do scheduler debug checks when we are oopsing already.

Signed-off-by: Dave Jones <davej@redhat.com>
Link: http://lkml.kernel.org/r/20111222213929.GA4722@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Dave Jones
2011-12-22 16:39:30 -05:00
committed by Ingo Molnar
parent 62af3783e4
commit 664dfa65e8
1 changed files with 3 additions and 0 deletions
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3
kernel/sched/core.c
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@@ -3077,6 +3077,9 @@ static noinline void __schedule_bug(struct task_struct *prev)
{ {
struct pt_regs *regs = get_irq_regs(); struct pt_regs *regs = get_irq_regs();
if (oops_in_progress)
return;
printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n", printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n",
prev->comm, prev->pid, preempt_count()); prev->comm, prev->pid, preempt_count());