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-rw-r--r--arch/Kconfig30
1 files changed, 19 insertions, 11 deletions
diff --git a/arch/Kconfig b/arch/Kconfig
index a27129d486..03cd763ed4 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -9,6 +9,14 @@
#
source "arch/$(SRCARCH)/Kconfig"
+config ARCH_CONFIGURES_CPU_MITIGATIONS
+ bool
+
+if !ARCH_CONFIGURES_CPU_MITIGATIONS
+config CPU_MITIGATIONS
+ def_bool y
+endif
+
menu "General architecture-dependent options"
config ARCH_HAS_SUBPAGE_FAULTS
@@ -301,17 +309,13 @@ config ARCH_HAS_DMA_CLEAR_UNCACHED
config ARCH_HAS_CPU_FINALIZE_INIT
bool
-# Select if arch init_task must go in the __init_task_data section
-config ARCH_TASK_STRUCT_ON_STACK
- bool
-
-# Select if arch has its private alloc_task_struct() function
-config ARCH_TASK_STRUCT_ALLOCATOR
+# The architecture has a per-task state that includes the mm's PASID
+config ARCH_HAS_CPU_PASID
bool
+ select IOMMU_MM_DATA
config HAVE_ARCH_THREAD_STRUCT_WHITELIST
bool
- depends on !ARCH_TASK_STRUCT_ALLOCATOR
help
An architecture should select this to provide hardened usercopy
knowledge about what region of the thread_struct should be
@@ -320,10 +324,6 @@ config HAVE_ARCH_THREAD_STRUCT_WHITELIST
should be implemented. Without this, the entire thread_struct
field in task_struct will be left whitelisted.
-# Select if arch has its private alloc_thread_stack() function
-config ARCH_THREAD_STACK_ALLOCATOR
- bool
-
# Select if arch wants to size task_struct dynamically via arch_task_struct_size:
config ARCH_WANTS_DYNAMIC_TASK_STRUCT
bool
@@ -1471,6 +1471,14 @@ config DYNAMIC_SIGFRAME
config HAVE_ARCH_NODE_DEV_GROUP
bool
+config ARCH_HAS_HW_PTE_YOUNG
+ bool
+ help
+ Architectures that select this option are capable of setting the
+ accessed bit in PTE entries when using them as part of linear address
+ translations. Architectures that require runtime check should select
+ this option and override arch_has_hw_pte_young().
+
config ARCH_HAS_NONLEAF_PMD_YOUNG
bool
help