aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/arch/x86/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig33
1 files changed, 20 insertions, 13 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index faff6934c05a..226d5696e1d1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -22,6 +22,7 @@ config X86_64
### Arch settings
config X86
def_bool y
+ select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
select ARCH_HAS_FAST_MULTIPLIER
@@ -87,7 +88,7 @@ config X86
select HAVE_ARCH_KMEMCHECK
select HAVE_ARCH_KASAN if X86_64 && SPARSEMEM_VMEMMAP
select HAVE_USER_RETURN_NOTIFIER
- select ARCH_BINFMT_ELF_RANDOMIZE_PIE
+ select ARCH_HAS_ELF_RANDOMIZE
select HAVE_ARCH_JUMP_LABEL
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
select SPARSE_IRQ
@@ -99,6 +100,7 @@ config X86
select IRQ_FORCED_THREADING
select HAVE_BPF_JIT if X86_64
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
+ select HAVE_ARCH_HUGE_VMAP if X86_64 || (X86_32 && X86_PAE)
select ARCH_HAS_SG_CHAIN
select CLKEVT_I8253
select ARCH_HAVE_NMI_SAFE_CMPXCHG
@@ -177,7 +179,7 @@ config SBUS
config NEED_DMA_MAP_STATE
def_bool y
- depends on X86_64 || INTEL_IOMMU || DMA_API_DEBUG
+ depends on X86_64 || INTEL_IOMMU || DMA_API_DEBUG || SWIOTLB
config NEED_SG_DMA_LENGTH
def_bool y
@@ -277,6 +279,12 @@ config ARCH_SUPPORTS_UPROBES
config FIX_EARLYCON_MEM
def_bool y
+config PGTABLE_LEVELS
+ int
+ default 4 if X86_64
+ default 3 if X86_PAE
+ default 2
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"
@@ -714,17 +722,6 @@ endif #HYPERVISOR_GUEST
config NO_BOOTMEM
def_bool y
-config MEMTEST
- bool "Memtest"
- ---help---
- This option adds a kernel parameter 'memtest', which allows memtest
- to be set.
- memtest=0, mean disabled; -- default
- memtest=1, mean do 1 test pattern;
- ...
- memtest=4, mean do 4 test patterns.
- If you are unsure how to answer this question, answer N.
-
source "arch/x86/Kconfig.cpu"
config HPET_TIMER
@@ -1425,6 +1422,16 @@ config ILLEGAL_POINTER_VALUE
source "mm/Kconfig"
+config X86_PMEM_LEGACY
+ bool "Support non-standard NVDIMMs and ADR protected memory"
+ help
+ Treat memory marked using the non-standard e820 type of 12 as used
+ by the Intel Sandy Bridge-EP reference BIOS as protected memory.
+ The kernel will offer these regions to the 'pmem' driver so
+ they can be used for persistent storage.
+
+ Say Y if unsure.
+
config HIGHPTE
bool "Allocate 3rd-level pagetables from highmem"
depends on HIGHMEM