locking/mutex: Disable optimistic spinning on some architectures

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0af5250..7324107 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -127,6 +127,7 @@ config X86
        select HAVE_DEBUG_STACKOVERFLOW
        select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64
        select HAVE_CC_STACKPROTECTOR
+       select ARCH_SUPPORTS_ATOMIC_RMW
 
 config INSTRUCTION_DECODER
        def_bool y
@@ -1909,6 +1910,10 @@ config ARCH_ENABLE_SPLIT_PMD_PTLOCK
        def_bool y
        depends on X86_64 || X86_PAE
 
+config ARCH_ENABLE_HUGEPAGE_MIGRATION
+       def_bool y
+       depends on X86_64 && HUGETLB_PAGE && MIGRATION
+
 menu "Power management and ACPI options"
 
 config ARCH_HIBERNATION_HEADER