Merge tag 'mfd-fixes-3.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo...

[~andy/linux] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 14dc9c797abb40472cd7958042232b57c327584e..e903c71f7e69822d2ce5240b957399dbab783037 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -22,6 +22,7 @@ config X86_64
 config X86
        def_bool y
        select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
+       select ARCH_MIGHT_HAVE_PC_PARPORT
        select HAVE_AOUT if X86_32
        select HAVE_UNSTABLE_SCHED_CLOCK
        select ARCH_SUPPORTS_NUMA_BALANCING
@@ -90,7 +91,6 @@ config X86
        select GENERIC_IRQ_SHOW
        select GENERIC_CLOCKEVENTS_MIN_ADJUST
        select IRQ_FORCED_THREADING
-       select USE_GENERIC_SMP_HELPERS if SMP
        select HAVE_BPF_JIT if X86_64
        select HAVE_ARCH_TRANSPARENT_HUGEPAGE
        select CLKEVT_I8253
@@ -635,10 +635,10 @@ config PARAVIRT_SPINLOCKS
          spinlock implementation with something virtualization-friendly
          (for example, block the virtual CPU rather than spinning).
 
-         Unfortunately the downside is an up to 5% performance hit on
-         native kernels, with various workloads.
+         It has a minimal impact on native kernels and gives a nice performance
+         benefit on paravirtualized KVM / Xen kernels.
 
-         If you are unsure how to answer this question, answer N.
+         If you are unsure how to answer this question, answer Y.
 
 source "arch/x86/xen/Kconfig"
 
@@ -1885,6 +1885,10 @@ config USE_PERCPU_NUMA_NODE_ID
        def_bool y
        depends on NUMA
 
+config ARCH_ENABLE_SPLIT_PMD_PTLOCK
+       def_bool y
+       depends on X86_64 || X86_PAE
+
 menu "Power management and ACPI options"
 
 config ARCH_HIBERNATION_HEADER