diff options
| author | Marc Zyngier <maz@kernel.org> | 2024-06-14 15:45:47 +0100 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2024-06-19 08:14:38 +0000 |
| commit | d1de1576dc2178efcc5536edb0ea2b1cf022bd3e (patch) | |
| tree | 30da702e652bf126822df9d1d04db81a3699c2ea /arch/arm64/include/asm/kvm_nested.h | |
| parent | 70109bcd701e20d27a81bec6c19e03b8e0c06eba (diff) | |
KVM: arm64: nv: Handle FEAT_TTL hinted TLB operations
Support guest-provided information information to size the range of
required invalidation. This helps with reducing over-invalidation,
provided that the guest actually provides accurate information.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240614144552.2773592-12-maz@kernel.org
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'arch/arm64/include/asm/kvm_nested.h')
| -rw-r--r-- | arch/arm64/include/asm/kvm_nested.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/kvm_nested.h b/arch/arm64/include/asm/kvm_nested.h index 9b7c92ab87cf..fcb0de3a93fe 100644 --- a/arch/arm64/include/asm/kvm_nested.h +++ b/arch/arm64/include/asm/kvm_nested.h @@ -124,6 +124,8 @@ extern void kvm_nested_s2_wp(struct kvm *kvm); extern void kvm_nested_s2_unmap(struct kvm *kvm); extern void kvm_nested_s2_flush(struct kvm *kvm); +unsigned long compute_tlb_inval_range(struct kvm_s2_mmu *mmu, u64 val); + static inline bool kvm_supported_tlbi_s1e1_op(struct kvm_vcpu *vpcu, u32 instr) { struct kvm *kvm = vpcu->kvm; |