diff options
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index bf82ffe895bf..d6ebffdc6bb1 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -555,6 +555,25 @@ config SECCOMP and the task is only allowed to execute a few safe syscalls defined by each seccomp mode. +config PARAVIRT + bool "Enable paravirtualization code" + help + This changes the kernel so it can modify itself when it is run + under a hypervisor, potentially improving performance significantly + over full virtualization. + +config PARAVIRT_TIME_ACCOUNTING + bool "Paravirtual steal time accounting" + select PARAVIRT + default n + help + Select this option to enable fine granularity task steal time + accounting. Time spent executing other tasks in parallel with + the current vCPU is discounted from the vCPU power. To account for + that, there can be a small performance impact. + + If in doubt, say N here. + config XEN_DOM0 def_bool y depends on XEN @@ -563,6 +582,7 @@ config XEN bool "Xen guest support on ARM64" depends on ARM64 && OF select SWIOTLB_XEN + select PARAVIRT help Say Y if you want to run Linux in a Virtual Machine on Xen on ARM64. |