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From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 26 Jul 2009 02:21:32 +0200
Subject: [PATCH 052/354] x86: Use generic rwsem_spinlocks on -rt
Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=7a9d74efed62faabbd429f85e9a0a26d864ec999
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 c33cdb5bbf60..d2702e568153 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -265,8 +265,11 @@ 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
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