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Diffstat (limited to 'arch/arm64/kvm/arm.c')
-rw-r--r--arch/arm64/kvm/arm.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index a7ca776b51ec..fe0764173cd0 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -46,6 +46,8 @@
#include <kvm/arm_pmu.h>
#include <kvm/arm_psci.h>
+#include "sys_regs.h"
+
static enum kvm_mode kvm_mode = KVM_MODE_DEFAULT;
enum kvm_wfx_trap_policy {
@@ -164,6 +166,7 @@ static int kvm_arm_default_max_vcpus(void)
/**
* kvm_arch_init_vm - initializes a VM data structure
* @kvm: pointer to the KVM struct
+ * @type: kvm device type
*/
int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
{
@@ -227,6 +230,7 @@ vm_fault_t kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf)
void kvm_arch_create_vm_debugfs(struct kvm *kvm)
{
kvm_sys_regs_create_debugfs(kvm);
+ kvm_s2_ptdump_create_debugfs(kvm);
}
static void kvm_destroy_mpidr_data(struct kvm *kvm)
@@ -521,10 +525,10 @@ void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu)
static void vcpu_set_pauth_traps(struct kvm_vcpu *vcpu)
{
- if (vcpu_has_ptrauth(vcpu)) {
+ if (vcpu_has_ptrauth(vcpu) && !is_protected_kvm_enabled()) {
/*
- * Either we're running running an L2 guest, and the API/APK
- * bits come from L1's HCR_EL2, or API/APK are both set.
+ * Either we're running an L2 guest, and the API/APK bits come
+ * from L1's HCR_EL2, or API/APK are both set.
*/
if (unlikely(vcpu_has_nv(vcpu) && !is_hyp_ctxt(vcpu))) {
u64 val;
@@ -541,16 +545,10 @@ static void vcpu_set_pauth_traps(struct kvm_vcpu *vcpu)
* Save the host keys if there is any chance for the guest
* to use pauth, as the entry code will reload the guest
* keys in that case.
- * Protected mode is the exception to that rule, as the
- * entry into the EL2 code eagerly switch back and forth
- * between host and hyp keys (and kvm_hyp_ctxt is out of
- * reach anyway).
*/
- if (is_protected_kvm_enabled())
- return;
-
if (vcpu->arch.hcr_el2 & (HCR_API | HCR_APK)) {
struct kvm_cpu_context *ctxt;
+
ctxt = this_cpu_ptr_hyp_sym(kvm_hyp_ctxt);
ptrauth_save_keys(ctxt);
}
@@ -826,15 +824,13 @@ int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
return ret;
}
- if (vcpu_has_nv(vcpu)) {
- ret = kvm_init_nv_sysregs(vcpu->kvm);
- if (ret)
- return ret;
- }
+ ret = kvm_finalize_sys_regs(vcpu);
+ if (ret)
+ return ret;
/*
- * This needs to happen after NV has imposed its own restrictions on
- * the feature set
+ * This needs to happen after any restriction has been applied
+ * to the feature set.
*/
kvm_calculate_traps(vcpu);