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| author | Pincheng Wang <pincheng.plct@isrc.iscas.ac.cn> | 2025-08-26 19:29:38 +0300 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2026-02-06 16:35:17 +0300 |
| commit | f326e846ff89c82083c09fa495457442c252983e (patch) | |
| tree | 754ad9cd04a3231948cdb6d2f9c6a131521fc7f7 | |
| parent | 003b9dae53ae795930c54945e0b0a41bbd527b44 (diff) | |
| download | linux-f326e846ff89c82083c09fa495457442c252983e.tar.xz | |
riscv: KVM: allow Zilsd and Zclsd extensions for Guest/VM
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>
| -rw-r--r-- | arch/riscv/include/uapi/asm/kvm.h | 2 | ||||
| -rw-r--r-- | arch/riscv/kvm/vcpu_onereg.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h index 54f3ad7ed2e4..6c536b2823c3 100644 --- a/arch/riscv/include/uapi/asm/kvm.h +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -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, }; diff --git a/arch/riscv/kvm/vcpu_onereg.c b/arch/riscv/kvm/vcpu_onereg.c index 865dae903aa0..347c0a902d28 100644 --- a/arch/riscv/kvm/vcpu_onereg.c +++ b/arch/riscv/kvm/vcpu_onereg.c @@ -63,6 +63,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(ZCB), KVM_ISA_EXT_ARR(ZCD), KVM_ISA_EXT_ARR(ZCF), + KVM_ISA_EXT_ARR(ZCLSD), KVM_ISA_EXT_ARR(ZCMOP), KVM_ISA_EXT_ARR(ZFA), KVM_ISA_EXT_ARR(ZFBFMIN), @@ -79,6 +80,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(ZIHINTNTL), KVM_ISA_EXT_ARR(ZIHINTPAUSE), KVM_ISA_EXT_ARR(ZIHPM), + KVM_ISA_EXT_ARR(ZILSD), KVM_ISA_EXT_ARR(ZIMOP), KVM_ISA_EXT_ARR(ZKND), KVM_ISA_EXT_ARR(ZKNE), |