| 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 |
