35 lines
969 B
Diff
35 lines
969 B
Diff
From 2aeeb18ed2650e5c8d35e52ed37e51f4f112e87e Mon Sep 17 00:00:00 2001
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From: Thomas Gleixner <tglx@linutronix.de>
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Date: Sun, 26 Jul 2009 02:21:32 +0200
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Subject: [PATCH 052/290] x86: Use generic rwsem_spinlocks on -rt
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Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.94-rt38.tar.xz
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Simplifies the separation of anon_rw_semaphores and rw_semaphores for
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-rt.
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Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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---
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arch/x86/Kconfig | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
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index e40ba59efe7f..f22e787329cf 100644
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--- a/arch/x86/Kconfig
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+++ b/arch/x86/Kconfig
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@@ -264,8 +264,11 @@ config ARCH_MAY_HAVE_PC_FDC
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def_bool y
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depends on ISA_DMA_API
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+config RWSEM_GENERIC_SPINLOCK
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+ def_bool PREEMPT_RT_FULL
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+
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config RWSEM_XCHGADD_ALGORITHM
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- def_bool y
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+ def_bool !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT_FULL
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config GENERIC_CALIBRATE_DELAY
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def_bool y
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--
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2.24.1
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