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| author | Clément Léger <cleger@rivosinc.com> | 2024-06-19 13:35:14 +0200 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-06-26 16:54:48 +0200 |
| commit | fb2a3d63efefe6bd3718201daba479f4339bb4bf (patch) | |
| tree | 55f59e6656fbfff81c69c4b40a5180445d411dea /arch/riscv/kvm | |
| parent | riscv: hwprobe: export Zimop ISA extension (diff) | |
| download | linux-fb2a3d63efefe6bd3718201daba479f4339bb4bf.tar.xz linux-fb2a3d63efefe6bd3718201daba479f4339bb4bf.zip | |
RISC-V: KVM: Allow Zimop extension for Guest/VM
Extend the KVM ISA extension ONE_REG interface to allow KVM user space
to detect and enable Zimop extension for Guest/VM.
Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Acked-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240619113529.676940-5-cleger@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch/riscv/kvm')
| -rw-r--r-- | arch/riscv/kvm/vcpu_onereg.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index c676275ea0a0..09f0aa92a4da 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -61,6 +61,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(ZIHINTNTL), KVM_ISA_EXT_ARR(ZIHINTPAUSE), KVM_ISA_EXT_ARR(ZIHPM), + KVM_ISA_EXT_ARR(ZIMOP), KVM_ISA_EXT_ARR(ZKND), KVM_ISA_EXT_ARR(ZKNE), KVM_ISA_EXT_ARR(ZKNH), @@ -143,6 +144,7 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned long ext) case KVM_RISCV_ISA_EXT_ZIHINTNTL: case KVM_RISCV_ISA_EXT_ZIHINTPAUSE: case KVM_RISCV_ISA_EXT_ZIHPM: + case KVM_RISCV_ISA_EXT_ZIMOP: case KVM_RISCV_ISA_EXT_ZKND: case KVM_RISCV_ISA_EXT_ZKNE: case KVM_RISCV_ISA_EXT_ZKNH: |