diff options
| author | Quentin Perret <qperret@google.com> | 2021-08-09 16:24:46 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2021-08-11 11:39:51 +0100 |
| commit | f9370010e92638f66473baf342e19de940403362 (patch) | |
| tree | abefcbece0d721c5ddb07adda12d4f669b130804 /arch/arm64/kvm/hyp/include/nvhe/mm.h | |
| parent | ad0e0139a8e163245d8f44ab4f6ec3bc9b08034d (diff) | |
KVM: arm64: Refactor protected nVHE stage-1 locking
Refactor the hypervisor stage-1 locking in nVHE protected mode to expose
a new pkvm_create_mappings_locked() function. This will be used in later
patches to allow walking and changing the hypervisor stage-1 without
releasing the lock.
Signed-off-by: Quentin Perret <qperret@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210809152448.1810400-20-qperret@google.com
Diffstat (limited to 'arch/arm64/kvm/hyp/include/nvhe/mm.h')
| -rw-r--r-- | arch/arm64/kvm/hyp/include/nvhe/mm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/include/nvhe/mm.h b/arch/arm64/kvm/hyp/include/nvhe/mm.h index 8ec3a5a7744b..c76d7136ed9b 100644 --- a/arch/arm64/kvm/hyp/include/nvhe/mm.h +++ b/arch/arm64/kvm/hyp/include/nvhe/mm.h @@ -23,6 +23,7 @@ int hyp_map_vectors(void); int hyp_back_vmemmap(phys_addr_t phys, unsigned long size, phys_addr_t back); int pkvm_cpu_set_vector(enum arm64_hyp_spectre_vector slot); int pkvm_create_mappings(void *from, void *to, enum kvm_pgtable_prot prot); +int pkvm_create_mappings_locked(void *from, void *to, enum kvm_pgtable_prot prot); int __pkvm_create_mappings(unsigned long start, unsigned long size, unsigned long phys, enum kvm_pgtable_prot prot); unsigned long __pkvm_create_private_mapping(phys_addr_t phys, size_t size, |