diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/switch.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/switch.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index 80bf38ccc8a4..c3e88ba81e26 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -74,7 +74,7 @@ static hyp_alternate_select(__activate_traps_arch, static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu) { - u64 val; + u64 hcr = vcpu->arch.hcr_el2; /* * We are about to set CPTR_EL2.TFP to trap all floating point @@ -85,17 +85,16 @@ static void __hyp_text __activate_traps(struct kvm_vcpu *vcpu) * If FP/ASIMD is not implemented, FPEXC is UNDEFINED and any access to * it will cause an exception. */ - val = vcpu->arch.hcr_el2; - - if (!(val & HCR_RW) && system_supports_fpsimd()) { + if (vcpu_el1_is_32bit(vcpu) && system_supports_fpsimd()) { write_sysreg(1 << 30, fpexc32_el2); isb(); } - write_sysreg(val, hcr_el2); - if (cpus_have_const_cap(ARM64_HAS_RAS_EXTN) && (val & HCR_VSE)) + if (cpus_have_const_cap(ARM64_HAS_RAS_EXTN) && (hcr & HCR_VSE)) write_sysreg_s(vcpu->arch.vsesr_el2, SYS_VSESR_EL2); + write_sysreg(hcr, hcr_el2); + /* Trap on AArch32 cp15 c15 accesses (EL1 or EL0) */ write_sysreg(1 << 15, hstr_el2); /* |