1# SPDX-License-Identifier: GPL-2.0 2# KVM common configuration items and defaults 3 4config KVM_COMMON 5 bool 6 select EVENTFD 7 select INTERVAL_TREE 8 select MMU_NOTIFIER 9 select PREEMPT_NOTIFIERS 10 11config HAVE_KVM_PFNCACHE 12 bool 13 14config HAVE_KVM_IRQCHIP 15 bool 16 17config HAVE_KVM_IRQ_ROUTING 18 bool 19 20config HAVE_KVM_DIRTY_RING 21 bool 22 23# Only strongly ordered architectures can select this, as it doesn't 24# put any explicit constraint on userspace ordering. They can also 25# select the _ACQ_REL version. 26config HAVE_KVM_DIRTY_RING_TSO 27 bool 28 select HAVE_KVM_DIRTY_RING 29 depends on X86 30 31# Weakly ordered architectures can only select this, advertising 32# to userspace the additional ordering requirements. 33config HAVE_KVM_DIRTY_RING_ACQ_REL 34 bool 35 select HAVE_KVM_DIRTY_RING 36 37# Allow enabling both the dirty bitmap and dirty ring. Only architectures 38# that need to dirty memory outside of a vCPU context should select this. 39config NEED_KVM_DIRTY_RING_WITH_BITMAP 40 bool 41 depends on HAVE_KVM_DIRTY_RING 42 43config KVM_MMIO 44 bool 45 46config KVM_ASYNC_PF 47 bool 48 49# Toggle to switch between direct notification and batch job 50config KVM_ASYNC_PF_SYNC 51 bool 52 53config HAVE_KVM_MSI 54 bool 55 56config HAVE_KVM_READONLY_MEM 57 bool 58 59config HAVE_KVM_CPU_RELAX_INTERCEPT 60 bool 61 62config KVM_VFIO 63 bool 64 65config HAVE_KVM_INVALID_WAKEUPS 66 bool 67 68config KVM_GENERIC_DIRTYLOG_READ_PROTECT 69 bool 70 71config KVM_GENERIC_PRE_FAULT_MEMORY 72 bool 73 74config KVM_COMPAT 75 def_bool y 76 depends on KVM && COMPAT && !(S390 || ARM64 || RISCV) 77 78config HAVE_KVM_IRQ_BYPASS 79 tristate 80 select IRQ_BYPASS_MANAGER 81 82config HAVE_KVM_VCPU_RUN_PID_CHANGE 83 bool 84 85config HAVE_KVM_NO_POLL 86 bool 87 88config VIRT_XFER_TO_GUEST_WORK 89 bool 90 91config HAVE_KVM_PM_NOTIFIER 92 bool 93 94config KVM_GENERIC_HARDWARE_ENABLING 95 bool 96 97config KVM_ELIDE_TLB_FLUSH_IF_YOUNG 98 bool 99 100config KVM_MMU_LOCKLESS_AGING 101 bool 102 103config KVM_GENERIC_MEMORY_ATTRIBUTES 104 bool 105 106config KVM_GUEST_MEMFD 107 select XARRAY_MULTI 108 bool 109 110config HAVE_KVM_ARCH_GMEM_PREPARE 111 bool 112 depends on KVM_GUEST_MEMFD 113 114config HAVE_KVM_ARCH_GMEM_INVALIDATE 115 bool 116 depends on KVM_GUEST_MEMFD 117 118config HAVE_KVM_ARCH_GMEM_POPULATE 119 bool 120 depends on KVM_GUEST_MEMFD 121