> On 22 Dec 2025, at 09:20, Tamir Duberstein <[email protected]> wrote:
>
> From: Tamir Duberstein <[email protected]>
>
> C-String literals were added in Rust 1.77. Replace instances of
> `kernel::c_str!` with C-String literals where possible.
>
> Acked-by: Greg Kroah-Hartman <[email protected]>
> Reviewed-by: Alice Ryhl <[email protected]>
> Reviewed-by: Benno Lossin <[email protected]>
> Acked-by: Danilo Krummrich <[email protected]>
> Reviewed-by: Alexandre Courbot <[email protected]>
> Signed-off-by: Tamir Duberstein <[email protected]>
> ---
> drivers/gpu/drm/nova/driver.rs | 12 +++++-------
> drivers/gpu/nova-core/driver.rs | 5 ++---
> 2 files changed, 7 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/nova/driver.rs b/drivers/gpu/drm/nova/driver.rs
> index 2246d8e104e0..d24ade17f7a0 100644
> --- a/drivers/gpu/drm/nova/driver.rs
> +++ b/drivers/gpu/drm/nova/driver.rs
> @@ -1,8 +1,6 @@
> // SPDX-License-Identifier: GPL-2.0
>
> -use kernel::{
> - auxiliary, c_str, device::Core, drm, drm::gem, drm::ioctl, prelude::*,
> sync::aref::ARef,
> -};
> +use kernel::{auxiliary, device::Core, drm, drm::gem, drm::ioctl, prelude::*,
> sync::aref::ARef};
>
> use crate::file::File;
> use crate::gem::NovaObject;
> @@ -24,12 +22,12 @@ pub(crate) struct NovaData {
> major: 0,
> minor: 0,
> patchlevel: 0,
> - name: c_str!("nova"),
> - desc: c_str!("Nvidia Graphics"),
> + name: c"nova",
> + desc: c"Nvidia Graphics",
> };
>
> -const NOVA_CORE_MODULE_NAME: &CStr = c_str!("NovaCore");
> -const AUXILIARY_NAME: &CStr = c_str!("nova-drm");
> +const NOVA_CORE_MODULE_NAME: &CStr = c"NovaCore";
> +const AUXILIARY_NAME: &CStr = c"nova-drm";
>
> kernel::auxiliary_device_table!(
> AUX_TABLE,
> diff --git a/drivers/gpu/nova-core/driver.rs b/drivers/gpu/nova-core/driver.rs
> index b8b0cc0f2d93..5a4cc047bcfc 100644
> --- a/drivers/gpu/nova-core/driver.rs
> +++ b/drivers/gpu/nova-core/driver.rs
> @@ -2,7 +2,6 @@
>
> use kernel::{
> auxiliary,
> - c_str,
> device::Core,
> devres::Devres,
> dma::Device,
> @@ -82,7 +81,7 @@ fn probe(pdev: &pci::Device<Core>, _info: &Self::IdInfo) ->
> impl PinInit<Self, E
> unsafe {
> pdev.dma_set_mask_and_coherent(DmaMask::new::<GPU_DMA_BITS>())? };
>
> let bar = Arc::pin_init(
> - pdev.iomap_region_sized::<BAR0_SIZE>(0,
> c_str!("nova-core/bar0")),
> + pdev.iomap_region_sized::<BAR0_SIZE>(0, c"nova-core/bar0"),
> GFP_KERNEL,
> )?;
>
> @@ -90,7 +89,7 @@ fn probe(pdev: &pci::Device<Core>, _info: &Self::IdInfo) ->
> impl PinInit<Self, E
> gpu <- Gpu::new(pdev, bar.clone(),
> bar.access(pdev.as_ref())?),
> _reg <- auxiliary::Registration::new(
> pdev.as_ref(),
> - c_str!("nova-drm"),
> + c"nova-drm",
> 0, // TODO[XARR]: Once it lands, use XArray; for now we
> don't use the ID.
> crate::MODULE_NAME
> ),
>
> ---
> base-commit: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
> change-id: 20251222-cstr-nova-c13a8ec1d068
>
> Best regards,
> --
> Tamir Duberstein <[email protected]>
>
>
Reviewed-by: Daniel Almeida <[email protected]>