hyp/vhe/sysreg-sr.c

1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (C) 2012-2015 - ARM Ltd
7 #include <hyp/sysreg-sr.h>
54  * kvm_vcpu_load_sysregs_vhe - Load guest system registers to the physical CPU
66 	struct kvm_cpu_context *guest_ctxt = &vcpu->arch.ctxt;  in kvm_vcpu_load_sysregs_vhe()
69 	host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;  in kvm_vcpu_load_sysregs_vhe()
75 	 * We must restore the 32-bit state before the sysregs, thanks  in kvm_vcpu_load_sysregs_vhe()
76 	 * to erratum #852523 (Cortex-A57) or #853709 (Cortex-A72).  in kvm_vcpu_load_sysregs_vhe()
82 	vcpu->arch.sysregs_loaded_on_cpu = true;  in kvm_vcpu_load_sysregs_vhe()
88  * kvm_vcpu_put_sysregs_vhe - Restore host system registers to the physical CPU
100 	struct kvm_cpu_context *guest_ctxt = &vcpu->arch.ctxt;  in kvm_vcpu_put_sysregs_vhe()
103 	host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt;  in kvm_vcpu_put_sysregs_vhe()
113 	vcpu->arch.sysregs_loaded_on_cpu = false;  in kvm_vcpu_put_sysregs_vhe()