From: Fuad Tabba <tabba@xxxxxxxxxx>
Move kvm_vcpu_enable_ptrauth() to a shared header to be used by
hyp in protected mode.
No functional change intended.
Signed-off-by: Fuad Tabba <tabba@xxxxxxxxxx>
---
arch/arm64/include/asm/kvm_emulate.h | 16 ++++++++++++++++
arch/arm64/kvm/reset.c | 16 ----------------
2 files changed, 16 insertions(+), 16 deletions(-)
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index d62405ce3e6d..bb56aff4de95 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -43,6 +43,22 @@ void kvm_inject_pabt(struct kvm_vcpu *vcpu, unsigned long addr);
void kvm_vcpu_wfi(struct kvm_vcpu *vcpu);
+static inline int kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
+{
+ /*
+ * For now make sure that both address/generic pointer authentication
+ * features are requested by the userspace together and the system
+ * supports these capabilities.
+ */
+ if (!test_bit(KVM_ARM_VCPU_PTRAUTH_ADDRESS, vcpu->arch.features) ||
+ !test_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, vcpu->arch.features) ||
+ !system_has_full_ptr_auth())
+ return -EINVAL;
+
+ vcpu->arch.flags |= KVM_ARM64_GUEST_HAS_PTRAUTH;
+ return 0;
+}
+
static __always_inline bool vcpu_el1_is_32bit(struct kvm_vcpu *vcpu)
{
return !(vcpu->arch.hcr_el2 & HCR_RW);
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index c07265ea72fd..cc25f540962b 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -165,22 +165,6 @@ static void kvm_vcpu_reset_sve(struct kvm_vcpu *vcpu)
memset(vcpu->arch.sve_state, 0, vcpu_sve_state_size(vcpu));
}
-static int kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
-{
- /*
- * For now make sure that both address/generic pointer authentication
- * features are requested by the userspace together and the system
- * supports these capabilities.
- */
- if (!test_bit(KVM_ARM_VCPU_PTRAUTH_ADDRESS, vcpu->arch.features) ||
- !test_bit(KVM_ARM_VCPU_PTRAUTH_GENERIC, vcpu->arch.features) ||
- !system_has_full_ptr_auth())
- return -EINVAL;
-
- vcpu->arch.flags |= KVM_ARM64_GUEST_HAS_PTRAUTH;
- return 0;
-}
-
static bool vcpu_allowed_register_width(struct kvm_vcpu *vcpu)
{
struct kvm_vcpu *tmp;
--
2.36.1.124.g0e6072fb45-goog
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