diff options
Diffstat (limited to 'arch/arm64/kvm/Kconfig')
| -rw-r--r-- | arch/arm64/kvm/Kconfig | 69 |
1 files changed, 45 insertions, 24 deletions
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 13489aff4440..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" @@ -19,47 +19,68 @@ if VIRTUALIZATION menuconfig KVM bool "Kernel-based Virtual Machine (KVM) support" - depends on OF - # for TASKSTATS/TASK_DELAY_ACCT: - depends on NET && MULTIUSER - 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 TASKSTATS - select TASK_DELAY_ACCT + 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 KVM_ARM_PMU - bool "Virtual Performance Monitoring Unit (PMU) support" - depends on HW_PERF_EVENTS - default y +config PROTECTED_NVHE_STACKTRACE + bool "Protected KVM hypervisor stacktraces" + depends on NVHE_EL2_DEBUG + default n help - Adds support for a virtual Performance Monitoring Unit (PMU) in - virtual machines. + Say Y here to enable pKVM hypervisor stacktraces on hyp_panic() -config KVM_INDIRECT_VECTORS - def_bool HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS + 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 |
