diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/tlb.c')
| -rw-r--r-- | arch/arm64/kvm/hyp/tlb.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/arm64/kvm/hyp/tlb.c b/arch/arm64/kvm/hyp/tlb.c index 73464a96c365..2e93b4d86826 100644 --- a/arch/arm64/kvm/hyp/tlb.c +++ b/arch/arm64/kvm/hyp/tlb.c @@ -18,6 +18,8 @@ #include <asm/kvm_hyp.h> #include <asm/tlbflush.h> +extern bool TKT340553_SW_WORKAROUND; + static void __hyp_text __tlb_switch_to_guest_vhe(struct kvm *kvm) { u64 val; @@ -80,8 +82,12 @@ void __hyp_text __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa) * Instead, we invalidate Stage-2 for this IPA, and the * whole of Stage-1. Weep... */ - ipa >>= 12; - __tlbi(ipas2e1is, ipa); + if (TKT340553_SW_WORKAROUND) { + __tlbi(vmalls12e1is); + } else { + ipa >>= 12; + __tlbi(ipas2e1is, ipa); + } /* * We have to ensure completion of the invalidation at Stage-2, |