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From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 26 Jul 2009 02:21:32 +0200
Subject: x86: Use generic rwsem_spinlocks on -rt
Simplifies the separation of anon_rw_semaphores and rw_semaphores for
-rt.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/Kconfig | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
Index: linux-stable/arch/x86/Kconfig
===================================================================
--- linux-stable.orig/arch/x86/Kconfig
+++ linux-stable/arch/x86/Kconfig
@@ -153,10 +153,10 @@ config ARCH_MAY_HAVE_PC_FDC
def_bool ISA_DMA_API
config RWSEM_GENERIC_SPINLOCK
- def_bool !X86_XADD
+ def_bool !X86_XADD || PREEMPT_RT_FULL
config RWSEM_XCHGADD_ALGORITHM
- def_bool X86_XADD
+ def_bool X86_XADD && !RWSEM_GENERIC_SPINLOCK && !PREEMPT_RT_FULL
config GENERIC_CALIBRATE_DELAY
def_bool y
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