diff options
Diffstat (limited to 'arch/riscv')
-rw-r--r-- | arch/riscv/include/uapi/asm/kvm.h | 1 | ||||
-rw-r--r-- | arch/riscv/kvm/vcpu.c | 9 |
2 files changed, 8 insertions, 2 deletions
diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h index 3d7771300567..8985ff234c01 100644 --- a/arch/riscv/include/uapi/asm/kvm.h +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -101,6 +101,7 @@ enum KVM_RISCV_ISA_EXT_ID { KVM_RISCV_ISA_EXT_SSTC, KVM_RISCV_ISA_EXT_SVINVAL, KVM_RISCV_ISA_EXT_ZIHINTPAUSE, + KVM_RISCV_ISA_EXT_ZICBOM, KVM_RISCV_ISA_EXT_MAX, }; diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c index b0a0ce6d16ef..f55d15a8a410 100644 --- a/arch/riscv/kvm/vcpu.c +++ b/arch/riscv/kvm/vcpu.c @@ -59,6 +59,7 @@ static const unsigned long kvm_isa_ext_arr[] = { KVM_ISA_EXT_ARR(SVINVAL), KVM_ISA_EXT_ARR(SVPBMT), KVM_ISA_EXT_ARR(ZIHINTPAUSE), + KVM_ISA_EXT_ARR(ZICBOM), }; static unsigned long kvm_riscv_vcpu_base2isa_ext(unsigned long base_ext) @@ -799,11 +800,15 @@ static void kvm_riscv_vcpu_update_config(const unsigned long *isa) { u64 henvcfg = 0; - if (__riscv_isa_extension_available(isa, RISCV_ISA_EXT_SVPBMT)) + if (riscv_isa_extension_available(isa, SVPBMT)) henvcfg |= ENVCFG_PBMTE; - if (__riscv_isa_extension_available(isa, RISCV_ISA_EXT_SSTC)) + if (riscv_isa_extension_available(isa, SSTC)) henvcfg |= ENVCFG_STCE; + + if (riscv_isa_extension_available(isa, ZICBOM)) + henvcfg |= (ENVCFG_CBIE | ENVCFG_CBCFE); + csr_write(CSR_HENVCFG, henvcfg); #ifdef CONFIG_32BIT csr_write(CSR_HENVCFGH, henvcfg >> 32); |