diff options
| author | Christophe JAILLET <christophe.jaillet@wanadoo.fr> | 2024-09-28 11:52:46 +0200 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2024-10-30 13:31:26 -0600 |
| commit | bbee049d8ee21f33ef68d02b16763ae7e5bf9025 (patch) | |
| tree | ce3acca2af91612b7742b80fd8bc714e312f6206 /virt | |
| parent | 81983758430957d9a5cb3333fe324fd70cf63e7e (diff) | |
kvm/vfio: Constify struct kvm_device_ops
'struct kvm_device_ops' is not modified in this driver.
Constifying this structure moves some data to a read-only section, so
increases overall security, especially when the structure holds some
function pointers.
On a x86_64, with allmodconfig:
Before:
======
text data bss dec hex filename
2605 169 16 2790 ae6 virt/kvm/vfio.o
After:
=====
text data bss dec hex filename
2685 89 16 2790 ae6 virt/kvm/vfio.o
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/e7361a1bb7defbb0f7056b884e83f8d75ac9fe21.1727517084.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/vfio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/virt/kvm/vfio.c b/virt/kvm/vfio.c index 388ae471d258..e72a6a1d5a20 100644 --- a/virt/kvm/vfio.c +++ b/virt/kvm/vfio.c @@ -353,7 +353,7 @@ static void kvm_vfio_release(struct kvm_device *dev) static int kvm_vfio_create(struct kvm_device *dev, u32 type); -static struct kvm_device_ops kvm_vfio_ops = { +static const struct kvm_device_ops kvm_vfio_ops = { .name = "kvm-vfio", .create = kvm_vfio_create, .release = kvm_vfio_release, |