1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0 2 # KVM common configuration items and defaults 2 # KVM common configuration items and defaults 3 3 4 config KVM_COMMON !! 4 config HAVE_KVM 5 bool 5 bool 6 select EVENTFD << 7 select INTERVAL_TREE << 8 select PREEMPT_NOTIFIERS << 9 6 10 config HAVE_KVM_PFNCACHE 7 config HAVE_KVM_PFNCACHE 11 bool 8 bool 12 9 13 config HAVE_KVM_IRQCHIP 10 config HAVE_KVM_IRQCHIP 14 bool 11 bool 15 12 >> 13 config HAVE_KVM_IRQFD >> 14 bool >> 15 16 config HAVE_KVM_IRQ_ROUTING 16 config HAVE_KVM_IRQ_ROUTING 17 bool 17 bool 18 18 19 config HAVE_KVM_DIRTY_RING 19 config HAVE_KVM_DIRTY_RING 20 bool 20 bool 21 21 22 # Only strongly ordered architectures can sele 22 # Only strongly ordered architectures can select this, as it doesn't 23 # put any explicit constraint on userspace ord 23 # put any explicit constraint on userspace ordering. They can also 24 # select the _ACQ_REL version. 24 # select the _ACQ_REL version. 25 config HAVE_KVM_DIRTY_RING_TSO 25 config HAVE_KVM_DIRTY_RING_TSO 26 bool 26 bool 27 select HAVE_KVM_DIRTY_RING 27 select HAVE_KVM_DIRTY_RING 28 depends on X86 28 depends on X86 29 29 30 # Weakly ordered architectures can only select 30 # Weakly ordered architectures can only select this, advertising 31 # to userspace the additional ordering require 31 # to userspace the additional ordering requirements. 32 config HAVE_KVM_DIRTY_RING_ACQ_REL 32 config HAVE_KVM_DIRTY_RING_ACQ_REL 33 bool 33 bool 34 select HAVE_KVM_DIRTY_RING 34 select HAVE_KVM_DIRTY_RING 35 35 36 # Allow enabling both the dirty bitmap and dir 36 # Allow enabling both the dirty bitmap and dirty ring. Only architectures 37 # that need to dirty memory outside of a vCPU 37 # that need to dirty memory outside of a vCPU context should select this. 38 config NEED_KVM_DIRTY_RING_WITH_BITMAP 38 config NEED_KVM_DIRTY_RING_WITH_BITMAP 39 bool 39 bool 40 depends on HAVE_KVM_DIRTY_RING 40 depends on HAVE_KVM_DIRTY_RING 41 41 >> 42 config HAVE_KVM_EVENTFD >> 43 bool >> 44 select EVENTFD >> 45 42 config KVM_MMIO 46 config KVM_MMIO 43 bool 47 bool 44 48 45 config KVM_ASYNC_PF 49 config KVM_ASYNC_PF 46 bool 50 bool 47 51 48 # Toggle to switch between direct notification 52 # Toggle to switch between direct notification and batch job 49 config KVM_ASYNC_PF_SYNC 53 config KVM_ASYNC_PF_SYNC 50 bool 54 bool 51 55 52 config HAVE_KVM_MSI 56 config HAVE_KVM_MSI 53 bool 57 bool 54 58 55 config HAVE_KVM_READONLY_MEM << 56 bool << 57 << 58 config HAVE_KVM_CPU_RELAX_INTERCEPT 59 config HAVE_KVM_CPU_RELAX_INTERCEPT 59 bool 60 bool 60 61 61 config KVM_VFIO 62 config KVM_VFIO 62 bool 63 bool 63 64 64 config HAVE_KVM_INVALID_WAKEUPS !! 65 config HAVE_KVM_ARCH_TLB_FLUSH_ALL 65 bool 66 bool 66 67 67 config KVM_GENERIC_DIRTYLOG_READ_PROTECT !! 68 config HAVE_KVM_INVALID_WAKEUPS 68 bool 69 bool 69 70 70 config KVM_GENERIC_PRE_FAULT_MEMORY !! 71 config KVM_GENERIC_DIRTYLOG_READ_PROTECT 71 bool 72 bool 72 73 73 config KVM_COMPAT 74 config KVM_COMPAT 74 def_bool y 75 def_bool y 75 depends on KVM && COMPAT && !(S390 || A 76 depends on KVM && COMPAT && !(S390 || ARM64 || RISCV) 76 77 77 config HAVE_KVM_IRQ_BYPASS 78 config HAVE_KVM_IRQ_BYPASS 78 bool 79 bool 79 select IRQ_BYPASS_MANAGER << 80 80 81 config HAVE_KVM_VCPU_ASYNC_IOCTL 81 config HAVE_KVM_VCPU_ASYNC_IOCTL 82 bool 82 bool 83 83 84 config HAVE_KVM_VCPU_RUN_PID_CHANGE 84 config HAVE_KVM_VCPU_RUN_PID_CHANGE 85 bool 85 bool 86 86 87 config HAVE_KVM_NO_POLL 87 config HAVE_KVM_NO_POLL 88 bool 88 bool 89 89 90 config KVM_XFER_TO_GUEST_WORK 90 config KVM_XFER_TO_GUEST_WORK 91 bool 91 bool 92 92 93 config HAVE_KVM_PM_NOTIFIER 93 config HAVE_KVM_PM_NOTIFIER 94 bool 94 bool 95 95 96 config KVM_GENERIC_HARDWARE_ENABLING 96 config KVM_GENERIC_HARDWARE_ENABLING 97 bool 97 bool 98 << 99 config KVM_GENERIC_MMU_NOTIFIER << 100 select MMU_NOTIFIER << 101 bool << 102 << 103 config KVM_GENERIC_MEMORY_ATTRIBUTES << 104 depends on KVM_GENERIC_MMU_NOTIFIER << 105 bool << 106 << 107 config KVM_PRIVATE_MEM << 108 select XARRAY_MULTI << 109 bool << 110 << 111 config KVM_GENERIC_PRIVATE_MEM << 112 select KVM_GENERIC_MEMORY_ATTRIBUTES << 113 select KVM_PRIVATE_MEM << 114 bool << 115 << 116 config HAVE_KVM_ARCH_GMEM_PREPARE << 117 bool << 118 depends on KVM_PRIVATE_MEM << 119 << 120 config HAVE_KVM_ARCH_GMEM_INVALIDATE << 121 bool << 122 depends on KVM_PRIVATE_MEM <<
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