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| author | Anup Patel <apatel@ventanamicro.com> | 2023-11-27 20:13:12 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2024-01-19 06:50:16 +0300 |
| commit | 41182cc6f507011a2e6c82657779e451ed9942bb (patch) | |
| tree | be701b8ed1913b18d7dd345497f5ec4efd331342 /arch/riscv/kvm | |
| parent | 1216fdd99be113fa75ccdd0497802bd0fe4369aa (diff) | |
| download | linux-41182cc6f507011a2e6c82657779e451ed9942bb.tar.xz | |
RISC-V: KVM: Allow Zfa extension for Guest/VM
We extend the KVM ISA extension ONE_REG interface to allow KVM
user space to detect and enable Zfa extension for Guest/VM.
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Anup Patel <anup@brainfault.org>
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 707d9d9883c8..5f7355e96008 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -47,6 +47,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(ZBKC), KVM_ISA_EXT_ARR(ZBKX), KVM_ISA_EXT_ARR(ZBS), + KVM_ISA_EXT_ARR(ZFA), KVM_ISA_EXT_ARR(ZFH), KVM_ISA_EXT_ARR(ZFHMIN), KVM_ISA_EXT_ARR(ZICBOM), @@ -123,6 +124,7 @@ static bool kvm_riscv_vcpu_isa_disable_allowed(unsigned long ext) case KVM_RISCV_ISA_EXT_ZBKC: case KVM_RISCV_ISA_EXT_ZBKX: case KVM_RISCV_ISA_EXT_ZBS: + case KVM_RISCV_ISA_EXT_ZFA: case KVM_RISCV_ISA_EXT_ZFH: case KVM_RISCV_ISA_EXT_ZFHMIN: case KVM_RISCV_ISA_EXT_ZICNTR: |