This patch adds support for arm64 hyp interface to flush all TLBs associated with VMID. Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> Signed-off-by: Mario Smarduch <m.smarduch@xxxxxxxxxxx> --- 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 b72aa9f..6e1b5df 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -1030,6 +1030,28 @@ 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 + * @struct 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-ia64" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
