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Diffstat (limited to 'arch/x86/Kconfig')
-rw-r--r--arch/x86/Kconfig48
1 files changed, 15 insertions, 33 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index d234cca296db..f2ee6a8ffe65 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -28,7 +28,10 @@ config X86_64
select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_ARCH_SOFT_DIRTY
select MODULES_USE_ELF_RELA
+ select NEED_DMA_MAP_STATE
+ select SWIOTLB
select X86_DEV_DMA_OPS
+ select ARCH_HAS_SYSCALL_WRAPPER
#
# Arch settings
@@ -51,6 +54,7 @@ config X86
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_FAST_MULTIPLIER
+ select ARCH_HAS_FILTER_PGPROT
select ARCH_HAS_FORTIFY_SOURCE
select ARCH_HAS_GCOV_PROFILE_ALL
select ARCH_HAS_KCOV if X86_64
@@ -132,7 +136,6 @@ config X86
select HAVE_C_RECORDMCOUNT
select HAVE_DEBUG_KMEMLEAK
select HAVE_DEBUG_STACKOVERFLOW
- select HAVE_DMA_API_DEBUG
select HAVE_DMA_CONTIGUOUS
select HAVE_DYNAMIC_FTRACE
select HAVE_DYNAMIC_FTRACE_WITH_REGS
@@ -182,6 +185,7 @@ config X86
select HAVE_UNSTABLE_SCHED_CLOCK
select HAVE_USER_RETURN_NOTIFIER
select IRQ_FORCED_THREADING
+ select NEED_SG_DMA_LENGTH
select PCI_LOCKLESS_CONFIG
select PERF_EVENTS
select RTC_LIB
@@ -234,13 +238,6 @@ config ARCH_MMAP_RND_COMPAT_BITS_MAX
config SBUS
bool
-config NEED_DMA_MAP_STATE
- def_bool y
- depends on X86_64 || INTEL_IOMMU || DMA_API_DEBUG || SWIOTLB
-
-config NEED_SG_DMA_LENGTH
- def_bool y
-
config GENERIC_ISA_DMA
def_bool y
depends on ISA_DMA_API
@@ -272,6 +269,9 @@ config ARCH_HAS_CPU_RELAX
config ARCH_HAS_CACHE_LINE_SIZE
def_bool y
+config ARCH_HAS_FILTER_PGPROT
+ def_bool y
+
config HAVE_SETUP_PER_CPU_AREA
def_bool y
@@ -870,6 +870,7 @@ config DMI
config GART_IOMMU
bool "Old AMD GART IOMMU support"
+ select IOMMU_HELPER
select SWIOTLB
depends on X86_64 && PCI && AMD_NB
---help---
@@ -891,6 +892,7 @@ config GART_IOMMU
config CALGARY_IOMMU
bool "IBM Calgary IOMMU support"
+ select IOMMU_HELPER
select SWIOTLB
depends on X86_64 && PCI
---help---
@@ -918,20 +920,6 @@ config CALGARY_IOMMU_ENABLED_BY_DEFAULT
Calgary anyway, pass 'iommu=calgary' on the kernel command line.
If unsure, say Y.
-# need this always selected by IOMMU for the VIA workaround
-config SWIOTLB
- def_bool y if X86_64
- ---help---
- Support for software bounce buffers used on x86-64 systems
- which don't have a hardware IOMMU. Using this PCI devices
- which can only access 32-bits of memory can be used on systems
- with more than 3 GB of memory.
- If unsure, say Y.
-
-config IOMMU_HELPER
- def_bool y
- depends on CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU
-
config MAXSMP
bool "Enable Maximum number of SMP Processors and NUMA Nodes"
depends on X86_64 && SMP && DEBUG_KERNEL
@@ -1453,6 +1441,7 @@ config HIGHMEM
config X86_PAE
bool "PAE (Physical Address Extension) Support"
depends on X86_32 && !HIGHMEM4G
+ select PHYS_ADDR_T_64BIT
select SWIOTLB
---help---
PAE is required for NX support, and furthermore enables
@@ -1480,14 +1469,6 @@ config X86_5LEVEL
Say N if unsure.
-config ARCH_PHYS_ADDR_T_64BIT
- def_bool y
- depends on X86_64 || X86_PAE
-
-config ARCH_DMA_ADDR_T_64BIT
- def_bool y
- depends on X86_64 || HIGHMEM64G
-
config X86_DIRECT_GBPAGES
def_bool y
depends on X86_64 && !DEBUG_PAGEALLOC
@@ -2008,6 +1989,9 @@ config KEXEC_FILE
for kernel and initramfs as opposed to list of segments as
accepted by previous system call.
+config ARCH_HAS_KEXEC_PURGATORY
+ def_bool KEXEC_FILE
+
config KEXEC_VERIFY_SIG
bool "Verify kernel signature during kexec_file_load() syscall"
depends on KEXEC_FILE
@@ -2760,11 +2744,9 @@ config OLPC_XO1_RTC
config OLPC_XO1_SCI
bool "OLPC XO-1 SCI extras"
- depends on OLPC && OLPC_XO1_PM
+ depends on OLPC && OLPC_XO1_PM && GPIO_CS5535=y
depends on INPUT=y
select POWER_SUPPLY
- select GPIO_CS5535
- select MFD_CORE
---help---
Add support for SCI-based features of the OLPC XO-1 laptop:
- EC-driven system wakeups