Re: [PATCH v2 4/6] RISC-V: KVM: Allow bfloat16 extension for Guest/VM

From: Nutty.Liu
Date: Mon Aug 18 2025 - 23:43:41 EST



On 8/8/2025 6:18 PM, zhouquan@xxxxxxxxxxx wrote:
From: Quan Zhou <zhouquan@xxxxxxxxxxx>

Extend the KVM ISA extension ONE_REG interface to allow KVM user space
to detect and enable Zfbfmin/Zvfbfmin/Zvfbfwma extension for Guest/VM.

Signed-off-by: Quan Zhou <zhouquan@xxxxxxxxxxx>
Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
---
arch/riscv/include/uapi/asm/kvm.h | 3 +++
arch/riscv/kvm/vcpu_onereg.c | 6 ++++++
2 files changed, 9 insertions(+)
Reviewed-by: Nutty Liu <nutty.liu@xxxxxxxxxxx>

Thanks,
Nutty