forked from rrcarlosr/Jetpack
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From 11655d8ad53365933c3645131b4f310bfa057e15 Mon Sep 17 00:00:00 2001
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Sun, 17 Jul 2011 21:51:45 +0200
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Subject: [PATCH 151/352] locking: Disable spin on owner for RT
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Drop spin on owner for mutex / rwsem. We are most likely not using it
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but…
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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kernel/Kconfig.locks | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks
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index ebdb004..b9e6aa7 100644
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--- a/kernel/Kconfig.locks
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+++ b/kernel/Kconfig.locks
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@@ -225,11 +225,11 @@ config ARCH_SUPPORTS_ATOMIC_RMW
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config MUTEX_SPIN_ON_OWNER
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def_bool y
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- depends on SMP && !DEBUG_MUTEXES && ARCH_SUPPORTS_ATOMIC_RMW
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+ depends on SMP && !DEBUG_MUTEXES && ARCH_SUPPORTS_ATOMIC_RMW && !PREEMPT_RT_FULL
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config RWSEM_SPIN_ON_OWNER
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def_bool y
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- depends on SMP && RWSEM_XCHGADD_ALGORITHM && ARCH_SUPPORTS_ATOMIC_RMW
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+ depends on SMP && RWSEM_XCHGADD_ALGORITHM && ARCH_SUPPORTS_ATOMIC_RMW && !PREEMPT_RT_FULL
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config LOCK_SPIN_ON_OWNER
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def_bool y
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--
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2.7.4
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