Make sure the guest's ZCR_EL1 is saved before we save/flush the state. This will be useful in later patches.
Signed-off-by: Marc Zyngier <[email protected]> --- arch/arm64/kvm/fpsimd.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/fpsimd.c b/arch/arm64/kvm/fpsimd.c index 84afca5ed6f2..b5f95abd23f5 100644 --- a/arch/arm64/kvm/fpsimd.c +++ b/arch/arm64/kvm/fpsimd.c @@ -121,10 +121,10 @@ void kvm_arch_vcpu_put_fp(struct kvm_vcpu *vcpu) local_irq_save(flags); if (vcpu->arch.flags & KVM_ARM64_FP_ENABLED) { - fpsimd_save_and_flush_cpu_state(); - if (guest_has_sve) __vcpu_sys_reg(vcpu, ZCR_EL1) = read_sysreg_el1(SYS_ZCR); + + fpsimd_save_and_flush_cpu_state(); } else if (host_has_sve) { /* * The FPSIMD/SVE state in the CPU has not been touched, and we -- 2.29.2 _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
