diff options
| author | Steven Price <steven.price@arm.com> | 2019-10-21 16:28:19 +0100 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2019-10-21 19:20:28 +0100 |
| commit | 8538cb22bbce5a988671b68baf0b0f9e86ca1e87 (patch) | |
| tree | 30956f316b4186a4d0b1c18912aaa7aafc1570ec /include/linux/kvm_host.h | |
| parent | 8564d6372a7d8a6d440441b8ed8020f97f744450 (diff) | |
| download | lwn-8538cb22bbce5a988671b68baf0b0f9e86ca1e87.tar.gz lwn-8538cb22bbce5a988671b68baf0b0f9e86ca1e87.zip | |
KVM: Allow kvm_device_ops to be const
Currently a kvm_device_ops structure cannot be const without triggering
compiler warnings. However the structure doesn't need to be written to
and, by marking it const, it can be read-only in memory. Add some more
const keywords to allow this.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'include/linux/kvm_host.h')
| -rw-r--r-- | include/linux/kvm_host.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9907e45f8875..7a26d5513471 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1262,7 +1262,7 @@ extern unsigned int halt_poll_ns_grow_start; extern unsigned int halt_poll_ns_shrink; struct kvm_device { - struct kvm_device_ops *ops; + const struct kvm_device_ops *ops; struct kvm *kvm; void *private; struct list_head vm_node; @@ -1315,7 +1315,7 @@ struct kvm_device_ops { void kvm_device_get(struct kvm_device *dev); void kvm_device_put(struct kvm_device *dev); struct kvm_device *kvm_device_from_filp(struct file *filp); -int kvm_register_device_ops(struct kvm_device_ops *ops, u32 type); +int kvm_register_device_ops(const struct kvm_device_ops *ops, u32 type); void kvm_unregister_device_ops(u32 type); extern struct kvm_device_ops kvm_mpic_ops; |