diff options
Diffstat (limited to 'virt/kvm/Kconfig')
| -rw-r--r-- | virt/kvm/Kconfig | 83 |
1 files changed, 68 insertions, 15 deletions
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig index f4834c20e4a6..267c7369c765 100644 --- a/virt/kvm/Kconfig +++ b/virt/kvm/Kconfig @@ -1,8 +1,11 @@ # SPDX-License-Identifier: GPL-2.0 # KVM common configuration items and defaults -config HAVE_KVM +config KVM_COMMON bool + select EVENTFD + select INTERVAL_TREE + select PREEMPT_NOTIFIERS config HAVE_KVM_PFNCACHE bool @@ -10,18 +13,31 @@ config HAVE_KVM_PFNCACHE config HAVE_KVM_IRQCHIP bool -config HAVE_KVM_IRQFD - bool - config HAVE_KVM_IRQ_ROUTING bool config HAVE_KVM_DIRTY_RING bool -config HAVE_KVM_EVENTFD +# Only strongly ordered architectures can select this, as it doesn't +# put any explicit constraint on userspace ordering. They can also +# select the _ACQ_REL version. +config HAVE_KVM_DIRTY_RING_TSO bool - select EVENTFD + select HAVE_KVM_DIRTY_RING + depends on X86 + +# Weakly ordered architectures can only select this, advertising +# to userspace the additional ordering requirements. +config HAVE_KVM_DIRTY_RING_ACQ_REL + bool + select HAVE_KVM_DIRTY_RING + +# Allow enabling both the dirty bitmap and dirty ring. Only architectures +# that need to dirty memory outside of a vCPU context should select this. +config NEED_KVM_DIRTY_RING_WITH_BITMAP + bool + depends on HAVE_KVM_DIRTY_RING config KVM_MMIO bool @@ -36,13 +52,13 @@ config KVM_ASYNC_PF_SYNC config HAVE_KVM_MSI bool -config HAVE_KVM_CPU_RELAX_INTERCEPT +config HAVE_KVM_READONLY_MEM bool -config KVM_VFIO +config HAVE_KVM_CPU_RELAX_INTERCEPT bool -config HAVE_KVM_ARCH_TLB_FLUSH_ALL +config KVM_VFIO bool config HAVE_KVM_INVALID_WAKEUPS @@ -51,15 +67,16 @@ config HAVE_KVM_INVALID_WAKEUPS config KVM_GENERIC_DIRTYLOG_READ_PROTECT bool +config KVM_GENERIC_PRE_FAULT_MEMORY + bool + config KVM_COMPAT def_bool y - depends on KVM && COMPAT && !(S390 || ARM64) + depends on KVM && COMPAT && !(S390 || ARM64 || RISCV) config HAVE_KVM_IRQ_BYPASS - bool - -config HAVE_KVM_VCPU_ASYNC_IOCTL - bool + tristate + select IRQ_BYPASS_MANAGER config HAVE_KVM_VCPU_RUN_PID_CHANGE bool @@ -67,8 +84,44 @@ config HAVE_KVM_VCPU_RUN_PID_CHANGE config HAVE_KVM_NO_POLL bool -config KVM_XFER_TO_GUEST_WORK +config VIRT_XFER_TO_GUEST_WORK bool config HAVE_KVM_PM_NOTIFIER bool + +config KVM_GENERIC_HARDWARE_ENABLING + bool + +config KVM_GENERIC_MMU_NOTIFIER + select MMU_NOTIFIER + bool + +config KVM_ELIDE_TLB_FLUSH_IF_YOUNG + depends on KVM_GENERIC_MMU_NOTIFIER + bool + +config KVM_MMU_LOCKLESS_AGING + depends on KVM_GENERIC_MMU_NOTIFIER + bool + +config KVM_GENERIC_MEMORY_ATTRIBUTES + depends on KVM_GENERIC_MMU_NOTIFIER + bool + +config KVM_GUEST_MEMFD + depends on KVM_GENERIC_MMU_NOTIFIER + select XARRAY_MULTI + bool + +config HAVE_KVM_ARCH_GMEM_PREPARE + bool + depends on KVM_GUEST_MEMFD + +config HAVE_KVM_ARCH_GMEM_INVALIDATE + bool + depends on KVM_GUEST_MEMFD + +config HAVE_KVM_ARCH_GMEM_POPULATE + bool + depends on KVM_GUEST_MEMFD |