diff options
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index b2c486f615df..2e9580f18e55 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -122,6 +122,7 @@ config X86 select OLD_SIGACTION if X86_32 select COMPAT_OLD_SIGACTION if IA32_EMULATION select RTC_LIB + select HAVE_PREEMPT_LAZY select ARCH_SUPPORTS_ATOMIC_RMW config INSTRUCTION_DECODER @@ -179,8 +180,11 @@ 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 @@ -468,7 +472,7 @@ 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. @@ -804,7 +808,7 @@ config IOMMU_HELPER config MAXSMP bool "Enable Maximum number of SMP Processors and NUMA Nodes" depends on X86_64 && SMP && DEBUG_KERNEL - select CPUMASK_OFFSTACK + select CPUMASK_OFFSTACK if !PREEMPT_RT_FULL ---help--- Enable maximum number of CPUS and NUMA Nodes for this architecture. If unsure, say N. |