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27 lines
627 B
Diff
27 lines
627 B
Diff
From: Thomas Gleixner <tglx@linutronix.de>
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Date: Tue, 14 Jul 2015 14:26:34 +0200
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Subject: panic: skip get_random_bytes for RT_FULL in init_oops_id
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Disable on -RT. If this is invoked from irq-context we will have problems
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to acquire the sleeping lock.
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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kernel/panic.c | 2 ++
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1 file changed, 2 insertions(+)
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--- a/kernel/panic.c
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+++ b/kernel/panic.c
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@@ -479,9 +479,11 @@ static u64 oops_id;
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static int init_oops_id(void)
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{
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+#ifndef CONFIG_PREEMPT_RT_FULL
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if (!oops_id)
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get_random_bytes(&oops_id, sizeof(oops_id));
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else
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+#endif
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oops_id++;
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return 0;
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