diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2015-10-26 08:34:09 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2015-12-14 11:30:41 +0000 |
| commit | c13d1683df16db16c91372177ca10c31677b5ed5 (patch) | |
| tree | c33ebab7d9dff4a45664c47edda215838ed5c5b7 /arch/arm64/kvm/hyp/sysreg-sr.c | |
| parent | be901e9b15cd2c8e48dc089b4655ea4a076e66fd (diff) | |
arm64: KVM: Implement fpsimd save/restore
Implement the fpsimd save restore, keeping the lazy part in
assembler (as returning to C would be overkill).
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Diffstat (limited to 'arch/arm64/kvm/hyp/sysreg-sr.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/sysreg-sr.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/sysreg-sr.c b/arch/arm64/kvm/hyp/sysreg-sr.c index eb05afb77ee8..36035417ec52 100644 --- a/arch/arm64/kvm/hyp/sysreg-sr.c +++ b/arch/arm64/kvm/hyp/sysreg-sr.c @@ -107,7 +107,7 @@ void __hyp_text __sysreg32_save_state(struct kvm_vcpu *vcpu) sysreg[DACR32_EL2] = read_sysreg(dacr32_el2); sysreg[IFSR32_EL2] = read_sysreg(ifsr32_el2); - if (!(read_sysreg(cptr_el2) & CPTR_EL2_TFP)) + if (__fpsimd_enabled()) sysreg[FPEXC32_EL2] = read_sysreg(fpexc32_el2); if (vcpu->arch.debug_flags & KVM_ARM64_DEBUG_DIRTY) |