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RISC-V: KVM: Allow Zicfiss/Zicfilp extensions for Guest/VM

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Extend the KVM ISA extension array to allow KVM userspace to
detect and enable Zicfiss/Zicfilp extensions for Guest/VM.

Assisted-by: YuanSheng:claude-4.7-opus
Co-developed-by: Quan Zhou <zhouquan@iscas.ac.cn>
Signed-off-by: Quan Zhou <zhouquan@iscas.ac.cn>
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20260713010302.303278-4-inochiama@gmail.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Inochi Amaoto 2026-07-13 09:02:56 +08:00 committed by Anup Patel
parent 8ca8868450
commit 94c46c147a
2 changed files with 4 additions and 0 deletions
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2
arch/riscv/include/uapi/asm/kvm.h
View File

@ -199,6 +199,8 @@ enum KVM_RISCV_ISA_EXT_ID {
KVM_RISCV_ISA_EXT_ZCLSD,
KVM_RISCV_ISA_EXT_ZILSD,
KVM_RISCV_ISA_EXT_ZALASR,
KVM_RISCV_ISA_EXT_ZICFILP,
KVM_RISCV_ISA_EXT_ZICFISS,
KVM_RISCV_ISA_EXT_MAX,
};

2
arch/riscv/kvm/isa.c
View File

@ -65,6 +65,8 @@ static const unsigned long kvm_isa_ext_arr[] = {
KVM_ISA_EXT_ARR(ZICBOP),
KVM_ISA_EXT_ARR(ZICBOZ),
KVM_ISA_EXT_ARR(ZICCRSE),
KVM_ISA_EXT_ARR(ZICFILP),
KVM_ISA_EXT_ARR(ZICFISS),
KVM_ISA_EXT_ARR(ZICNTR),
KVM_ISA_EXT_ARR(ZICOND),
KVM_ISA_EXT_ARR(ZICSR),