projects / people / arne_f / kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 2235a54d SL |
2 | # |
| 3 | # KVM configuration | |
| 4 | # | |
| 5 | source "virt/kvm/Kconfig" | |
| 6 | ||
| 7 | menuconfig VIRTUALIZATION | |
| 8 | bool "Virtualization" | |
| 2235a54d SL |
9 | ---help--- |
| 10 | Say Y here to get to see options for using your Linux host to run | |
| 11 | other operating systems inside virtual machines (guests). | |
| 12 | This option alone does not add any kernel code. | |
| 13 | ||
| 14 | If you say N, all options in this submenu will be skipped and disabled. | |
| 15 | ||
| 16 | if VIRTUALIZATION | |
| 17 | ||
| 18 | config KVM | |
| 19 | tristate "Kernel-based Virtual Machine (KVM) support" | |
| 20 | depends on HAVE_KVM | |
| 90e9311a | 21 | select EXPORT_UASM |
| 2235a54d SL |
22 | select PREEMPT_NOTIFIERS |
| 23 | select ANON_INODES | |
| e88643ba | 24 | select KVM_GENERIC_DIRTYLOG_READ_PROTECT |
| 2235a54d | 25 | select KVM_MMIO |
| 411740f5 | 26 | select MMU_NOTIFIER |
| 83fe27ea | 27 | select SRCU |
| 2235a54d SL |
28 | ---help--- |
| 29 | Support for hosting Guest kernels. | |
| 56f7a440 JH |
30 | |
| 31 | choice | |
| 32 | prompt "Virtualization mode" | |
| 33 | depends on KVM | |
| 34 | default KVM_MIPS_TE | |
| 35 | ||
| 36 | config KVM_MIPS_TE | |
| 37 | bool "Trap & Emulate" | |
| 38 | ---help--- | |
| 39 | Use trap and emulate to virtualize 32-bit guests in user mode. This | |
| 40 | does not require any special hardware Virtualization support beyond | |
| 41 | standard MIPS32/64 r2 or later, but it does require the guest kernel | |
| 42 | to be configured with CONFIG_KVM_GUEST=y so that it resides in the | |
| 43 | user address segment. | |
| 44 | ||
| 45 | config KVM_MIPS_VZ | |
| 46 | bool "MIPS Virtualization (VZ) ASE" | |
| 47 | ---help--- | |
| 48 | Use the MIPS Virtualization (VZ) ASE to virtualize guests. This | |
| 49 | supports running unmodified guest kernels (with CONFIG_KVM_GUEST=n), | |
| 50 | but requires hardware support. | |
| 51 | ||
| 52 | endchoice | |
| 2235a54d SL |
53 | |
| 54 | config KVM_MIPS_DYN_TRANS | |
| 55 | bool "KVM/MIPS: Dynamic binary translation to reduce traps" | |
| 56f7a440 JH |
56 | depends on KVM_MIPS_TE |
| 57 | default y | |
| 2235a54d SL |
58 | ---help--- |
| 59 | When running in Trap & Emulate mode patch privileged | |
| 60 | instructions to reduce the number of traps. | |
| 61 | ||
| 62 | If unsure, say Y. | |
| 63 | ||
| 64 | config KVM_MIPS_DEBUG_COP0_COUNTERS | |
| 65 | bool "Maintain counters for COP0 accesses" | |
| 66 | depends on KVM | |
| 67 | ---help--- | |
| 68 | Maintain statistics for Guest COP0 accesses. | |
| 69 | A histogram of COP0 accesses is printed when the VM is | |
| 70 | shutdown. | |
| 71 | ||
| 72 | If unsure, say N. | |
| 73 | ||
| 74 | source drivers/vhost/Kconfig | |
| 75 | ||
| 76 | endif # VIRTUALIZATION |