projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2235a54d SL |
1 | # |
| 2 | # KVM configuration | |
| 3 | # | |
| 4 | source "virt/kvm/Kconfig" | |
| 5 | ||
| 6 | menuconfig VIRTUALIZATION | |
| 7 | bool "Virtualization" | |
| 2235a54d SL |
8 | ---help--- |
| 9 | Say Y here to get to see options for using your Linux host to run | |
| 10 | other operating systems inside virtual machines (guests). | |
| 11 | This option alone does not add any kernel code. | |
| 12 | ||
| 13 | If you say N, all options in this submenu will be skipped and disabled. | |
| 14 | ||
| 15 | if VIRTUALIZATION | |
| 16 | ||
| 17 | config KVM | |
| 18 | tristate "Kernel-based Virtual Machine (KVM) support" | |
| 19 | depends on HAVE_KVM | |
| 90e9311a | 20 | select EXPORT_UASM |
| 2235a54d SL |
21 | select PREEMPT_NOTIFIERS |
| 22 | select ANON_INODES | |
| e88643ba | 23 | select KVM_GENERIC_DIRTYLOG_READ_PROTECT |
| 2235a54d | 24 | select KVM_MMIO |
| 411740f5 | 25 | select MMU_NOTIFIER |
| 83fe27ea | 26 | select SRCU |
| 2235a54d SL |
27 | ---help--- |
| 28 | Support for hosting Guest kernels. | |
| 56f7a440 JH |
29 | |
| 30 | choice | |
| 31 | prompt "Virtualization mode" | |
| 32 | depends on KVM | |
| 33 | default KVM_MIPS_TE | |
| 34 | ||
| 35 | config KVM_MIPS_TE | |
| 36 | bool "Trap & Emulate" | |
| 37 | ---help--- | |
| 38 | Use trap and emulate to virtualize 32-bit guests in user mode. This | |
| 39 | does not require any special hardware Virtualization support beyond | |
| 40 | standard MIPS32/64 r2 or later, but it does require the guest kernel | |
| 41 | to be configured with CONFIG_KVM_GUEST=y so that it resides in the | |
| 42 | user address segment. | |
| 43 | ||
| 44 | config KVM_MIPS_VZ | |
| 45 | bool "MIPS Virtualization (VZ) ASE" | |
| 46 | ---help--- | |
| 47 | Use the MIPS Virtualization (VZ) ASE to virtualize guests. This | |
| 48 | supports running unmodified guest kernels (with CONFIG_KVM_GUEST=n), | |
| 49 | but requires hardware support. | |
| 50 | ||
| 51 | endchoice | |
| 2235a54d SL |
52 | |
| 53 | config KVM_MIPS_DYN_TRANS | |
| 54 | bool "KVM/MIPS: Dynamic binary translation to reduce traps" | |
| 56f7a440 JH |
55 | depends on KVM_MIPS_TE |
| 56 | default y | |
| 2235a54d SL |
57 | ---help--- |
| 58 | When running in Trap & Emulate mode patch privileged | |
| 59 | instructions to reduce the number of traps. | |
| 60 | ||
| 61 | If unsure, say Y. | |
| 62 | ||
| 63 | config KVM_MIPS_DEBUG_COP0_COUNTERS | |
| 64 | bool "Maintain counters for COP0 accesses" | |
| 65 | depends on KVM | |
| 66 | ---help--- | |
| 67 | Maintain statistics for Guest COP0 accesses. | |
| 68 | A histogram of COP0 accesses is printed when the VM is | |
| 69 | shutdown. | |
| 70 | ||
| 71 | If unsure, say N. | |
| 72 | ||
| 73 | source drivers/vhost/Kconfig | |
| 74 | ||
| 75 | endif # VIRTUALIZATION |