This patch adds HYP VM TLB FLush function.
Signed-off-by: Mario Smarduch <[email protected]>
---
arch/arm64/kvm/hyp.S | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S
index b0d1512..117a91c 100644
--- a/arch/arm64/kvm/hyp.S
+++ b/arch/arm64/kvm/hyp.S
@@ -645,6 +645,28 @@ ENTRY(__kvm_tlb_flush_vmid_ipa)
ret
ENDPROC(__kvm_tlb_flush_vmid_ipa)
+/**
+ * void __kvm_tlb_flush_vmid(struct kvm *kvm) - Flush per-VMID TLBs
+ * @struc kvm *kvm - pointer to kvm structure
+ *
+ * Invalidates all Stage 1 and 2 TLB entries for current VMID.
+ */
+ENTRY(__kvm_tlb_flush_vmid)
+ dsb ishst
+
+ kern_hyp_va x0
+ ldr x2, [x0, #KVM_VTTBR]
+ msr vttbr_el2, x2
+ isb
+
+ tlbi vmalls12e1is
+ dsb ish
+ isb
+
+ msr vttbr_el2, xzr
+ ret
+ENDPROC(__kvm_tlb_flush_vmid)
+
ENTRY(__kvm_flush_vm_context)
dsb ishst
tlbi alle1is
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
