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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-01-23 13:39:51 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-01-23 13:39:51 +0100 |
| commit | 1c6007d59a20762052cc92c0a2889ff11030d23a (patch) | |
| tree | 40bd72fe4e4d38a811312e5ae35bafd04c995d40 /arch/arm64/kvm/hyp.S | |
| parent | c6156df9d32141e5f1abb43078c56f2e5a0cb294 (diff) | |
| parent | 4b990589952f0e30aa860184ac6c76219a74632e (diff) | |
Merge tag 'kvm-arm-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-next
KVM/ARM changes for v3.20 including GICv3 emulation, dirty page logging, added
trace symbols, and adding an explicit VGIC init device control IOCTL.
Conflicts:
arch/arm64/include/asm/kvm_arm.h
arch/arm64/kvm/handle_exit.c
Diffstat (limited to 'arch/arm64/kvm/hyp.S')
| -rw-r--r-- | arch/arm64/kvm/hyp.S | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index c0d820280a5e..31b4911b8522 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -1031,6 +1031,28 @@ 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 |