1# 2# KVM configuration 3# 4 5menuconfig VIRTUALIZATION 6 bool "Virtualization" 7 ---help--- 8 Say Y here to get to see options for using your Linux host to run 9 other operating systems inside virtual machines (guests). 10 This option alone does not add any kernel code. 11 12 If you say N, all options in this submenu will be skipped and 13 disabled. 14 15if VIRTUALIZATION 16 17config KVM 18 bool 19 select PREEMPT_NOTIFIERS 20 select ANON_INODES 21 22config KVM_440 23 bool "KVM support for PowerPC 440 processors" 24 depends on EXPERIMENTAL && 44x 25 select KVM 26 ---help--- 27 Support running unmodified 440 guest kernels in virtual machines on 28 440 host processors. 29 30 This module provides access to the hardware capabilities through 31 a character device node named /dev/kvm. 32 33 If unsure, say N. 34 35config KVM_EXIT_TIMING 36 bool "Detailed exit timing" 37 depends on KVM 38 ---help--- 39 Calculate elapsed time for every exit/enter cycle. A per-vcpu 40 report is available in debugfs kvm/vm#_vcpu#_timing. 41 The overhead is relatively small, however it is not recommended for 42 production environments. 43 44 If unsure, say N. 45 46config KVM_TRACE 47 bool "KVM trace support" 48 depends on KVM && MARKERS && SYSFS 49 select RELAY 50 select DEBUG_FS 51 default n 52 ---help--- 53 This option allows reading a trace of kvm-related events through 54 relayfs. Note the ABI is not considered stable and will be 55 modified in future updates. 56 57source drivers/virtio/Kconfig 58 59endif # VIRTUALIZATION 60