27 lines
711 B
Diff
27 lines
711 B
Diff
Subject: debugobjects: Make RT aware
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Sun, 17 Jul 2011 21:41:35 +0200
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.18/older/patches-4.18.5-rt3.tar.xz
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Avoid filling the pool / allocating memory with irqs off().
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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lib/debugobjects.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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--- a/lib/debugobjects.c
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+++ b/lib/debugobjects.c
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@@ -374,7 +374,10 @@ static void
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struct debug_obj *obj;
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unsigned long flags;
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- fill_pool();
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+#ifdef CONFIG_PREEMPT_RT_FULL
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+ if (preempt_count() == 0 && !irqs_disabled())
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+#endif
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+ fill_pool();
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db = get_bucket((unsigned long) addr);
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