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authorPaolo Bonzini <pbonzini@redhat.com>2024-01-02 21:19:40 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2024-01-02 21:19:40 +0300
commit9cc52627c702b73c633737db40914ab8fc467de8 (patch)
tree50dedcb98dcd3c239cddcad006fe815f62046f94 /arch/riscv/Kconfig
parent731859dde86e23b0f11e700431e460ea76769584 (diff)
parentaad86da229bc9d0390dc2c02eb0db9ab1f50d059 (diff)
downloadlinux-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/Kconfig19
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