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| author | Anup Patel <apatel@ventanamicro.com> | 2024-03-25 21:01:38 +0530 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2024-04-09 16:01:58 +0100 |
| commit | fce2865286b5a44dd8ea6a5d37b3c3e8c98545c3 (patch) | |
| tree | 972eec86e45482707a4c9123ddadae622fe989b1 | |
| parent | bd7f13c1a19fb6386724a9c12814850f21f7db08 (diff) | |
| download | kvmtool-fce2865286b5a44dd8ea6a5d37b3c3e8c98545c3.tar.gz | |
riscv: Add Zihintntl extension support
When the Zihintntl extension is available expose it to the guest
via device tree so that guest can use it.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Link: https://lore.kernel.org/r/20240325153141.6816-8-apatel@ventanamicro.com
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | riscv/fdt.c | 1 | ||||
| -rw-r--r-- | riscv/include/kvm/kvm-config-arch.h | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/riscv/fdt.c b/riscv/fdt.c index 7687624c..80e045dc 100644 --- a/riscv/fdt.c +++ b/riscv/fdt.c @@ -37,6 +37,7 @@ struct isa_ext_info isa_info_arr[] = { {"zicond", KVM_RISCV_ISA_EXT_ZICOND}, {"zicsr", KVM_RISCV_ISA_EXT_ZICSR}, {"zifencei", KVM_RISCV_ISA_EXT_ZIFENCEI}, + {"zihintntl", KVM_RISCV_ISA_EXT_ZIHINTNTL}, {"zihintpause", KVM_RISCV_ISA_EXT_ZIHINTPAUSE}, {"zihpm", KVM_RISCV_ISA_EXT_ZIHPM}, {"zknd", KVM_RISCV_ISA_EXT_ZKND}, diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h index f1ac56b6..2935c01c 100644 --- a/riscv/include/kvm/kvm-config-arch.h +++ b/riscv/include/kvm/kvm-config-arch.h @@ -88,6 +88,9 @@ struct kvm_config_arch { OPT_BOOLEAN('\0', "disable-zifencei", \ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIFENCEI], \ "Disable Zifencei Extension"), \ + OPT_BOOLEAN('\0', "disable-zihintntl", \ + &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTNTL], \ + "Disable Zihintntl Extension"), \ OPT_BOOLEAN('\0', "disable-zihintpause", \ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZIHINTPAUSE],\ "Disable Zihintpause Extension"), \ |