34 lines
1.3 KiB
Diff
34 lines
1.3 KiB
Diff
From 790b2ab08c1c29364fe55eff153eb15cc8434526 Mon Sep 17 00:00:00 2001
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Message-Id: <790b2ab08c1c29364fe55eff153eb15cc8434526.1599166690.git.zanussi@kernel.org>
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In-Reply-To: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
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References: <56457dc415803c8abc5acb513ada877a79596f05.1599166690.git.zanussi@kernel.org>
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Sun, 28 Oct 2012 13:26:09 +0000
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Subject: [PATCH 043/333] rcu: Disable RCU_FAST_NO_HZ on RT
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.142-rt63.tar.xz
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This uses a timer_list timer from the irq disabled guts of the idle
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code. Disable it for now to prevent wreckage.
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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kernel/rcu/Kconfig | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig
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index 9210379c0353..644264be90f0 100644
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--- a/kernel/rcu/Kconfig
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+++ b/kernel/rcu/Kconfig
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@@ -172,7 +172,7 @@ config RCU_FANOUT_LEAF
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config RCU_FAST_NO_HZ
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bool "Accelerate last non-dyntick-idle CPU's grace periods"
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- depends on NO_HZ_COMMON && SMP && RCU_EXPERT
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+ depends on NO_HZ_COMMON && SMP && RCU_EXPERT && !PREEMPT_RT_FULL
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default n
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help
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This option permits CPUs to enter dynticks-idle state even if
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--
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2.17.1
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