diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/vhe/switch.c')
-rw-r--r-- | arch/arm64/kvm/hyp/vhe/switch.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/arch/arm64/kvm/hyp/vhe/switch.c b/arch/arm64/kvm/hyp/vhe/switch.c index ecf67e678203..fe69de16dadc 100644 --- a/arch/arm64/kvm/hyp/vhe/switch.c +++ b/arch/arm64/kvm/hyp/vhe/switch.c @@ -28,6 +28,11 @@ const char __hyp_panic_string[] = "HYP panic:\nPS:%08llx PC:%016llx ESR:%08llx\nFAR:%016llx HPFAR:%016llx PAR:%016llx\nVCPU:%p\n"; +/* VHE specific context */ +DEFINE_PER_CPU(struct kvm_host_data, kvm_host_data); +DEFINE_PER_CPU(struct kvm_cpu_context, kvm_hyp_ctxt); +DEFINE_PER_CPU(unsigned long, kvm_hyp_vector); + static void __activate_traps(struct kvm_vcpu *vcpu) { u64 val; @@ -59,7 +64,7 @@ static void __activate_traps(struct kvm_vcpu *vcpu) write_sysreg(val, cpacr_el1); - write_sysreg(kvm_get_hyp_vector(), vbar_el1); + write_sysreg(__this_cpu_read(kvm_hyp_vector), vbar_el1); } NOKPROBE_SYMBOL(__activate_traps); @@ -108,7 +113,7 @@ static int __kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu) struct kvm_cpu_context *guest_ctxt; u64 exit_code; - host_ctxt = &__hyp_this_cpu_ptr(kvm_host_data)->host_ctxt; + host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt; host_ctxt->__hyp_running_vcpu = vcpu; guest_ctxt = &vcpu->arch.ctxt; @@ -120,12 +125,12 @@ static int __kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu) * HCR_EL2.TGE. * * We have already configured the guest's stage 1 translation in - * kvm_vcpu_load_sysregs_vhe above. We must now call __activate_vm - * before __activate_traps, because __activate_vm configures - * stage 2 translation, and __activate_traps clear HCR_EL2.TGE - * (among other things). + * kvm_vcpu_load_sysregs_vhe above. We must now call + * __load_guest_stage2 before __activate_traps, because + * __load_guest_stage2 configures stage 2 translation, and + * __activate_traps clear HCR_EL2.TGE (among other things). */ - __activate_vm(vcpu->arch.hw_mmu); + __load_guest_stage2(vcpu->arch.hw_mmu); __activate_traps(vcpu); sysreg_restore_guest_state_vhe(guest_ctxt); @@ -133,7 +138,7 @@ static int __kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu) do { /* Jump in the fire! */ - exit_code = __guest_enter(vcpu, host_ctxt); + exit_code = __guest_enter(vcpu); /* And we're baaack! */ } while (fixup_guest_exit(vcpu, &exit_code)); @@ -188,10 +193,12 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu) return ret; } -static void __hyp_call_panic(u64 spsr, u64 elr, u64 par, - struct kvm_cpu_context *host_ctxt) +static void __hyp_call_panic(u64 spsr, u64 elr, u64 par) { + struct kvm_cpu_context *host_ctxt; struct kvm_vcpu *vcpu; + + host_ctxt = &this_cpu_ptr(&kvm_host_data)->host_ctxt; vcpu = host_ctxt->__hyp_running_vcpu; __deactivate_traps(vcpu); @@ -204,13 +211,13 @@ static void __hyp_call_panic(u64 spsr, u64 elr, u64 par, } NOKPROBE_SYMBOL(__hyp_call_panic); -void __noreturn hyp_panic(struct kvm_cpu_context *host_ctxt) +void __noreturn hyp_panic(void) { u64 spsr = read_sysreg_el2(SYS_SPSR); u64 elr = read_sysreg_el2(SYS_ELR); u64 par = read_sysreg(par_el1); - __hyp_call_panic(spsr, elr, par, host_ctxt); + __hyp_call_panic(spsr, elr, par); unreachable(); } |