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-rw-r--r--arch/parisc/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index e7f611c2719d..ecef9aff9d72 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -34,6 +34,7 @@ config PARISC
select GENERIC_SMP_IDLE_THREAD
select GENERIC_CPU_DEVICES
select GENERIC_STRNCPY_FROM_USER
+ select GENERIC_LIB_DEVMEM_IS_ALLOWED
select SYSCTL_ARCH_UNALIGN_ALLOW
select SYSCTL_EXCEPTION_TRACE
select HAVE_MOD_ARCH_SPECIFIC
@@ -310,6 +311,16 @@ config IRQSTACKS
for handling hard and soft interrupts. This can help avoid
overflowing the process kernel stacks.
+config TLB_PTLOCK
+ bool "Use page table locks in TLB fault handler"
+ depends on SMP
+ default n
+ help
+ Select this option to enable page table locking in the TLB
+ fault handler. This ensures that page table entries are
+ updated consistently on SMP machines at the expense of some
+ loss in performance.
+
config HOTPLUG_CPU
bool
default y if SMP