On Mon, Jul 13, 2026 at 6:33 AM Inochi Amaoto <[email protected]> wrote: > > 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 <[email protected]> > Signed-off-by: Quan Zhou <[email protected]> > Signed-off-by: Inochi Amaoto <[email protected]>
LGTM. Reviewed-by: Anup Patel <[email protected]> Thanks, Anup > --- > arch/riscv/include/uapi/asm/kvm.h | 2 ++ > arch/riscv/kvm/isa.c | 2 ++ > 2 files changed, 4 insertions(+) > > diff --git a/arch/riscv/include/uapi/asm/kvm.h > b/arch/riscv/include/uapi/asm/kvm.h > index 7bbea8812d92..a27de850fa4c 100644 > --- a/arch/riscv/include/uapi/asm/kvm.h > +++ b/arch/riscv/include/uapi/asm/kvm.h > @@ -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, > }; > > diff --git a/arch/riscv/kvm/isa.c b/arch/riscv/kvm/isa.c > index 1132d909cc25..9852a91fdecc 100644 > --- a/arch/riscv/kvm/isa.c > +++ b/arch/riscv/kvm/isa.c > @@ -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), > -- > 2.55.0 >
