RISC-V: KVM: Allow bfloat16 extension for Guest/VM

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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@iscas.ac.cn>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
Reviewed-by: Nutty Liu <liujingqi@lanxincomputing.com>
Link: https://lore.kernel.org/r/f846cecd330ab9fc88211c55bc73126f903f8713.1754646071.git.zhouquan@iscas.ac.cn
Signed-off-by: Anup Patel <anup@brainfault.org>

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Quan Zhou 2025-08-08 18:18:51 +08:00 • committed by Anup Patel

parent 0efd9a29c5

commit 44c3d084e4

2 changed files with 9 additions and 0 deletions

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3

arch/riscv/include/uapi/asm/kvm.h

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6

arch/riscv/kvm/vcpu_onereg.c

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