2020-10-12 12:52:06 +00:00
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From 340f4b392711cbe438ad5706cd90ba5263fcd0db Mon Sep 17 00:00:00 2001
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Message-Id: <340f4b392711cbe438ad5706cd90ba5263fcd0db.1601675152.git.zanussi@kernel.org>
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In-Reply-To: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
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References: <5b5a156f9808b1acf1205606e03da117214549ea.1601675151.git.zanussi@kernel.org>
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2018-08-27 14:32:32 +00:00
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Tue, 14 Jul 2015 14:26:34 +0200
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2020-09-04 20:10:21 +00:00
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Subject: [PATCH 225/333] panic: skip get_random_bytes for RT_FULL in
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2019-04-08 23:49:20 +00:00
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init_oops_id
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2020-10-12 12:52:06 +00:00
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.148-rt64.tar.xz
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2018-08-27 14:32:32 +00:00
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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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2019-04-08 23:49:20 +00:00
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kernel/panic.c | 2 ++
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2018-08-27 14:32:32 +00:00
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1 file changed, 2 insertions(+)
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2019-04-08 23:49:20 +00:00
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diff --git a/kernel/panic.c b/kernel/panic.c
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2020-01-03 23:36:11 +00:00
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index 8138a676fb7d..fa114be5c30f 100644
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2018-08-27 14:32:32 +00:00
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--- a/kernel/panic.c
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+++ b/kernel/panic.c
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2019-11-25 00:04:39 +00:00
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@@ -480,9 +480,11 @@ static u64 oops_id;
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2018-08-27 14:32:32 +00:00
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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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2020-01-03 23:36:11 +00:00
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--
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2020-06-22 13:14:16 +00:00
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2.17.1
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2020-01-03 23:36:11 +00:00
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