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From ba7790a3c551c3de98d561dbdfc21b1ee3da42b7 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 26 Jul 2009 02:21:32 +0200
Subject: [PATCH 052/347] x86: Use generic rwsem_spinlocks on -rt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.19/older/patches-4.19.246-rt110.tar.xz
Simplifies the separation of anon_rw_semaphores and rw_semaphores for
-rt.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/Kconfig | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a8ec5d0c024e..6ee7220e7f47 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -264,8 +264,11 @@ config ARCH_MAY_HAVE_PC_FDC
def_bool y
depends on ISA_DMA_API
+config RWSEM_GENERIC_SPINLOCK
+ def_bool PREEMPT_RT_FULL
+
config RWSEM_XCHGADD_ALGORITHM
- def_bool y
+ def_bool !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT_FULL
config GENERIC_CALIBRATE_DELAY
def_bool y
--
2.36.1
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