diff options
Diffstat (limited to 'arch/riscv/Kconfig')
| -rw-r--r-- | arch/riscv/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index dcb50071b91a..8b1d5907c62f 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -723,6 +723,25 @@ config COMPAT If you want to execute 32-bit userspace applications, say Y. +config PARAVIRT + bool "Enable paravirtualization code" + depends on RISCV_SBI + 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" + depends on PARAVIRT + 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 RELOCATABLE bool "Build a relocatable kernel" depends on MMU && 64BIT && !XIP_KERNEL |