| From 828f2c41971123b04b3fea44459e0ff642b917f7 Mon Sep 17 00:00:00 2001 |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Sun, 26 Jul 2009 02:21:32 +0200 |
| Subject: [PATCH 203/267] 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(-) |
| |
| diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig |
| index c9866b0..f556832 100644 |
| --- a/arch/x86/Kconfig |
| +++ b/arch/x86/Kconfig |
| @@ -155,10 +155,10 @@ 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 ARCH_HAS_CPU_IDLE_WAIT |
| def_bool y |
| -- |
| 1.7.10.4 |
| |
