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-rw-r--r--arch/x86/Kconfig22
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cc98d5a294ee..cd18994a9555 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -98,7 +98,6 @@ config X86
select HAVE_ACPI_APEI_NMI if ACPI
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_AUDITSYSCALL
- select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_HUGE_VMAP if X86_64 || X86_PAE
select HAVE_ARCH_JUMP_LABEL
select HAVE_ARCH_KASAN if X86_64 && SPARSEMEM_VMEMMAP
@@ -106,6 +105,7 @@ config X86
select HAVE_ARCH_KMEMCHECK
select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
+ select HAVE_ARCH_COMPAT_MMAP_BASES if MMU && COMPAT
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
@@ -127,7 +127,7 @@ config X86
select HAVE_EBPF_JIT if X86_64
select HAVE_EFFICIENT_UNALIGNED_ACCESS
select HAVE_EXIT_THREAD
- select HAVE_FENTRY if X86_64
+ select HAVE_FENTRY if X86_64 || DYNAMIC_FTRACE
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
@@ -160,6 +160,7 @@ config X86
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
select HAVE_REGS_AND_STACK_ACCESS_API
+ select HAVE_RELIABLE_STACKTRACE if X86_64 && FRAME_POINTER && STACK_VALIDATION
select HAVE_STACK_VALIDATION if X86_64
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_UNSTABLE_SCHED_CLOCK
@@ -290,6 +291,7 @@ config ARCH_SUPPORTS_DEBUG_PAGEALLOC
config KASAN_SHADOW_OFFSET
hex
depends on KASAN
+ default 0xdff8000000000000 if X86_5LEVEL
default 0xdffffc0000000000
config HAVE_INTEL_TXT
@@ -1043,6 +1045,14 @@ config X86_MCE
The action the kernel takes depends on the severity of the problem,
ranging from warning messages to halting the machine.
+config X86_MCELOG_LEGACY
+ bool "Support for deprecated /dev/mcelog character device"
+ depends on X86_MCE
+ ---help---
+ Enable support for /dev/mcelog which is needed by the old mcelog
+ userspace logging daemon. Consider switching to the new generation
+ rasdaemon solution.
+
config X86_MCE_INTEL
def_bool y
prompt "Intel MCE features"
@@ -1072,7 +1082,7 @@ config X86_MCE_THRESHOLD
def_bool y
config X86_MCE_INJECT
- depends on X86_MCE && X86_LOCAL_APIC
+ depends on X86_MCE && X86_LOCAL_APIC && X86_MCELOG_LEGACY
tristate "Machine check injector support"
---help---
Provide support for injecting machine checks for testing purposes.
@@ -1966,7 +1976,7 @@ config RELOCATABLE
config RANDOMIZE_BASE
bool "Randomize the address of the kernel image (KASLR)"
depends on RELOCATABLE
- default n
+ default y
---help---
In support of Kernel Address Space Layout Randomization (KASLR),
this randomizes the physical address at which the kernel image
@@ -1996,7 +2006,7 @@ config RANDOMIZE_BASE
theoretically possible, but the implementations are further
limited due to memory layouts.
- If unsure, say N.
+ If unsure, say Y.
# Relocation on x86 needs some additional build support
config X86_NEED_RELOCS
@@ -2045,7 +2055,7 @@ config RANDOMIZE_MEMORY
configuration have in average 30,000 different possible virtual
addresses for each memory section.
- If unsure, say N.
+ If unsure, say Y.
config RANDOMIZE_MEMORY_PHYSICAL_PADDING
hex "Physical memory mapping padding" if EXPERT