Merge tag 'v4.6-rc3' into perf/core, to refresh the tree

[cascardo/linux.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index c2d3457..a494fa3 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -28,6 +28,7 @@ config X86
        select ARCH_HAS_ELF_RANDOMIZE
        select ARCH_HAS_FAST_MULTIPLIER
        select ARCH_HAS_GCOV_PROFILE_ALL
+       select ARCH_HAS_KCOV                    if X86_64
        select ARCH_HAS_PMEM_API                if X86_64
        select ARCH_HAS_MMIO_FLUSH
        select ARCH_HAS_SG_CHAIN
@@ -155,6 +156,9 @@ config X86
        select VIRT_TO_BUS
        select X86_DEV_DMA_OPS                  if X86_64
        select X86_FEATURE_NAMES                if PROC_FS
+       select HAVE_STACK_VALIDATION            if X86_64
+       select ARCH_USES_HIGH_VMA_FLAGS         if X86_INTEL_MEMORY_PROTECTION_KEYS
+       select ARCH_HAS_PKEYS                   if X86_INTEL_MEMORY_PROTECTION_KEYS
 
 config INSTRUCTION_DECODER
        def_bool y
@@ -1716,6 +1720,20 @@ config X86_INTEL_MPX
 
          If unsure, say N.
 
+config X86_INTEL_MEMORY_PROTECTION_KEYS
+       prompt "Intel Memory Protection Keys"
+       def_bool y
+       # Note: only available in 64-bit mode
+       depends on CPU_SUP_INTEL && X86_64
+       ---help---
+         Memory Protection Keys provides a mechanism for enforcing
+         page-based protections, but without requiring modification of the
+         page tables when an application changes protection domains.
+
+         For details, see Documentation/x86/protection-keys.txt
+
+         If unsure, say y.
+
 config EFI
        bool "EFI runtime service support"
        depends on ACPI
@@ -2433,8 +2451,6 @@ config PCI_CNB20LE_QUIRK
 
          You should say N unless you know you need this.
 
-source "drivers/pci/pcie/Kconfig"
-
 source "drivers/pci/Kconfig"
 
 # x86_64 have no ISA slots, but can have ISA-style DMA.
@@ -2590,8 +2606,6 @@ config AMD_NB
 
 source "drivers/pcmcia/Kconfig"
 
-source "drivers/pci/hotplug/Kconfig"
-
 config RAPIDIO
        tristate "RapidIO support"
        depends on PCI