18c2ecf20Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci# 38c2ecf20Sopenharmony_ci# KVM configuration 48c2ecf20Sopenharmony_ci# 58c2ecf20Sopenharmony_cisource "virt/kvm/Kconfig" 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_cimenuconfig VIRTUALIZATION 88c2ecf20Sopenharmony_ci def_bool y 98c2ecf20Sopenharmony_ci prompt "KVM" 108c2ecf20Sopenharmony_ci help 118c2ecf20Sopenharmony_ci Say Y here to get to see options for using your Linux host to run other 128c2ecf20Sopenharmony_ci operating systems inside virtual machines (guests). 138c2ecf20Sopenharmony_ci This option alone does not add any kernel code. 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci If you say N, all options in this submenu will be skipped and disabled. 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ciif VIRTUALIZATION 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ciconfig KVM 208c2ecf20Sopenharmony_ci def_tristate y 218c2ecf20Sopenharmony_ci prompt "Kernel-based Virtual Machine (KVM) support" 228c2ecf20Sopenharmony_ci depends on HAVE_KVM 238c2ecf20Sopenharmony_ci select PREEMPT_NOTIFIERS 248c2ecf20Sopenharmony_ci select HAVE_KVM_CPU_RELAX_INTERCEPT 258c2ecf20Sopenharmony_ci select HAVE_KVM_VCPU_ASYNC_IOCTL 268c2ecf20Sopenharmony_ci select HAVE_KVM_EVENTFD 278c2ecf20Sopenharmony_ci select KVM_ASYNC_PF 288c2ecf20Sopenharmony_ci select KVM_ASYNC_PF_SYNC 298c2ecf20Sopenharmony_ci select HAVE_KVM_IRQCHIP 308c2ecf20Sopenharmony_ci select HAVE_KVM_IRQFD 318c2ecf20Sopenharmony_ci select HAVE_KVM_IRQ_ROUTING 328c2ecf20Sopenharmony_ci select HAVE_KVM_INVALID_WAKEUPS 338c2ecf20Sopenharmony_ci select HAVE_KVM_NO_POLL 348c2ecf20Sopenharmony_ci select SRCU 358c2ecf20Sopenharmony_ci select KVM_VFIO 368c2ecf20Sopenharmony_ci help 378c2ecf20Sopenharmony_ci Support hosting paravirtualized guest machines using the SIE 388c2ecf20Sopenharmony_ci virtualization capability on the mainframe. This should work 398c2ecf20Sopenharmony_ci on any 64bit machine. 408c2ecf20Sopenharmony_ci 418c2ecf20Sopenharmony_ci This module provides access to the hardware capabilities through 428c2ecf20Sopenharmony_ci a character device node named /dev/kvm. 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_ci To compile this as a module, choose M here: the module 458c2ecf20Sopenharmony_ci will be called kvm. 468c2ecf20Sopenharmony_ci 478c2ecf20Sopenharmony_ci If unsure, say N. 488c2ecf20Sopenharmony_ci 498c2ecf20Sopenharmony_ciconfig KVM_S390_UCONTROL 508c2ecf20Sopenharmony_ci bool "Userspace controlled virtual machines" 518c2ecf20Sopenharmony_ci depends on KVM 528c2ecf20Sopenharmony_ci help 538c2ecf20Sopenharmony_ci Allow CAP_SYS_ADMIN users to create KVM virtual machines that are 548c2ecf20Sopenharmony_ci controlled by userspace. 558c2ecf20Sopenharmony_ci 568c2ecf20Sopenharmony_ci If unsure, say N. 578c2ecf20Sopenharmony_ci 588c2ecf20Sopenharmony_ciendif # VIRTUALIZATION 59