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author | Paolo Bonzini <pbonzini@redhat.com> | 2024-01-02 21:19:40 +0300 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2024-01-02 21:19:40 +0300 |
commit | 9cc52627c702b73c633737db40914ab8fc467de8 (patch) | |
tree | 50dedcb98dcd3c239cddcad006fe815f62046f94 /arch/riscv/Kconfig | |
parent | 731859dde86e23b0f11e700431e460ea76769584 (diff) | |
parent | aad86da229bc9d0390dc2c02eb0db9ab1f50d059 (diff) | |
download | linux-9cc52627c702b73c633737db40914ab8fc467de8.tar.xz |
Merge tag 'kvm-riscv-6.8-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv changes for 6.8 part #1
- KVM_GET_REG_LIST improvement for vector registers
- Generate ISA extension reg_list using macros in get-reg-list selftest
- Steal time account support along with selftest
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 24c1799e2ec4..ef8b7b012a0b 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -724,6 +724,25 @@ 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 |