| Message ID | 20240708154438.1218186-7-maz@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: arm64: Add support for FP8 | expand |
diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 1157c38568e22..8b5caad651512 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -4579,6 +4579,9 @@ void kvm_calculate_traps(struct kvm_vcpu *vcpu) if (kvm_has_feat(kvm, ID_AA64MMFR3_EL1, TCRX, IMP)) vcpu->arch.hcrx_el2 |= HCRX_EL2_TCR2En; + + if (kvm_has_feat(kvm, ID_AA64PFR2_EL1, FPMR, IMP)) + vcpu->arch.hcrx_el2 |= HCRX_EL2_EnFPM; } if (test_bit(KVM_ARCH_FLAG_FGU_INITIALIZED, &kvm->arch.flags))
If userspace has enabled FP8 support (by setting ID_AA64PFR2_EL1.FPMR to 1), let's enable the feature by setting HCRX_EL2.EnFPM for the vcpu. Signed-off-by: Marc Zyngier <maz@kernel.org> --- arch/arm64/kvm/sys_regs.c | 3 +++ 1 file changed, 3 insertions(+)