| 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 | 7 +++++-- |
| 1 file changed, 5 insertions(+), 2 deletions(-) |
| |
| --- a/arch/x86/Kconfig |
| +++ b/arch/x86/Kconfig |
| @@ -177,8 +177,11 @@ 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 |
| @@ -460,7 +463,7 @@ config X86_MDFLD |
| select MFD_INTEL_MSIC |
| ---help--- |
| Medfield is Intel's Low Power Intel Architecture (LPIA) based Moblin |
| - Internet Device(MID) platform. |
| + Internet Device(MID) platform. |
| Unlike standard x86 PCs, Medfield does not have many legacy devices |
| nor standard legacy replacement devices/features. e.g. Medfield does |
| not contain i8259, i8254, HPET, legacy BIOS, most of the io ports. |
