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-rw-r--r--arch/arm64/kvm/Kconfig59
1 files changed, 47 insertions, 12 deletions
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index a4eba0908bfa..4f803fd1c99a 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -3,7 +3,7 @@
# KVM configuration
#
-source "virt/lib/Kconfig"
+source "virt/kvm/Kconfig"
menuconfig VIRTUALIZATION
bool "Virtualization"
@@ -19,33 +19,68 @@ if VIRTUALIZATION
menuconfig KVM
bool "Kernel-based Virtual Machine (KVM) support"
- depends on OF
- select MMU_NOTIFIER
- select PREEMPT_NOTIFIERS
+ select KVM_COMMON
+ select KVM_GENERIC_HARDWARE_ENABLING
+ select KVM_GENERIC_MMU_NOTIFIER
select HAVE_KVM_CPU_RELAX_INTERCEPT
- select HAVE_KVM_ARCH_TLB_FLUSH_ALL
select KVM_MMIO
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
- select SRCU
+ select VIRT_XFER_TO_GUEST_WORK
select KVM_VFIO
- select HAVE_KVM_EVENTFD
- select HAVE_KVM_IRQFD
+ select HAVE_KVM_DIRTY_RING_ACQ_REL
+ select NEED_KVM_DIRTY_RING_WITH_BITMAP
select HAVE_KVM_MSI
select HAVE_KVM_IRQCHIP
select HAVE_KVM_IRQ_ROUTING
- select IRQ_BYPASS_MANAGER
select HAVE_KVM_IRQ_BYPASS
+ select HAVE_KVM_READONLY_MEM
select HAVE_KVM_VCPU_RUN_PID_CHANGE
select SCHED_INFO
+ select GUEST_PERF_EVENTS if PERF_EVENTS
+ select KVM_GUEST_MEMFD
help
Support hosting virtualized guest machines.
If unsure, say N.
-if KVM
+config NVHE_EL2_DEBUG
+ bool "Debug mode for non-VHE EL2 object"
+ depends on KVM
+ help
+ Say Y here to enable the debug mode for the non-VHE KVM EL2 object.
+ Failure reports will BUG() in the hypervisor. This is intended for
+ local EL2 hypervisor development.
-source "virt/kvm/Kconfig"
+ If unsure, say N.
+
+config PROTECTED_NVHE_STACKTRACE
+ bool "Protected KVM hypervisor stacktraces"
+ depends on NVHE_EL2_DEBUG
+ default n
+ help
+ Say Y here to enable pKVM hypervisor stacktraces on hyp_panic()
+
+ If using protected nVHE mode, but cannot afford the associated
+ memory cost (less than 0.75 page per CPU) of pKVM stacktraces,
+ say N.
+
+ If unsure, or not using protected nVHE (pKVM), say N.
+
+config PTDUMP_STAGE2_DEBUGFS
+ bool "Present the stage-2 pagetables to debugfs"
+ depends on KVM
+ depends on DEBUG_KERNEL
+ depends on DEBUG_FS
+ depends on ARCH_HAS_PTDUMP
+ select PTDUMP
+ default n
+ help
+ Say Y here if you want to show the stage-2 kernel pagetables
+ layout in a debugfs file. This information is only useful for kernel developers
+ who are working in architecture specific areas of the kernel.
+ It is probably not a good idea to enable this feature in a production
+ kernel.
-endif # KVM
+ If in doubt, say N.
endif # VIRTUALIZATION