36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From e2fc6d404d64720a63039f4e1b7bfe25e1c6e7a1 Mon Sep 17 00:00:00 2001
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Message-Id: <e2fc6d404d64720a63039f4e1b7bfe25e1c6e7a1.1594742966.git.zanussi@kernel.org>
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In-Reply-To: <832f7d97d6b989a5b4860dd2dbec58ad6ad5ab81.1594742966.git.zanussi@kernel.org>
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References: <832f7d97d6b989a5b4860dd2dbec58ad6ad5ab81.1594742966.git.zanussi@kernel.org>
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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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Subject: [PATCH 194/329] debugobjects: Make RT aware
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.132-rt59.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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diff --git a/lib/debugobjects.c b/lib/debugobjects.c
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index 14afeeb7d6ef..e28481c402ae 100644
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--- a/lib/debugobjects.c
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+++ b/lib/debugobjects.c
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@@ -376,7 +376,10 @@ __debug_object_init(void *addr, struct debug_obj_descr *descr, int onstack)
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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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--
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2.17.1
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