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riscv: KVM: allow Zilsd and Zclsd extensions for Guest/VM

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Extend the KVM ISA extension ONE_REG interface to allow KVM user space
to detect and enable Zilsd and Zclsd extensions for Guest/VM.

Signed-off-by: Pincheng Wang <pincheng.plct@isrc.iscas.ac.cn>
Reviewed-by: Nutty Liu <nutty.liu@hotmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20250826162939.1494021-5-pincheng.plct@isrc.iscas.ac.cn
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Pincheng Wang
2025-08-27 00:29:38 +08:00
committed by Anup Patel
parent 003b9dae53
commit f326e846ff
2 changed files with 4 additions and 0 deletions
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2
arch/riscv/include/uapi/asm/kvm.h
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@@ -192,6 +192,8 @@ enum KVM_RISCV_ISA_EXT_ID {
KVM_RISCV_ISA_EXT_ZFBFMIN,
KVM_RISCV_ISA_EXT_ZVFBFMIN,
KVM_RISCV_ISA_EXT_ZVFBFWMA,
KVM_RISCV_ISA_EXT_ZCLSD,
KVM_RISCV_ISA_EXT_ZILSD,
KVM_RISCV_ISA_EXT_MAX,
};