linux-kernel - Re: linux-next: manual merge of the rust-alloc tree with the drm-rust tree

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Message-Id: <DCKQD2XPCCN2.2LW01KJCIN3C0@kernel.org>
Date: Fri, 05 Sep 2025 10:40:24 +0200
From: "Danilo Krummrich" <dakr@...nel.org>
To: "Stephen Rothwell" <sfr@...b.auug.org.au>
Cc: "Alice Ryhl" <aliceryhl@...gle.com>, "Abdiel Janulgue"
 <abdiel.janulgue@...il.com>, "Linux Kernel Mailing List"
 <linux-kernel@...r.kernel.org>, "Linux Next Mailing List"
 <linux-next@...r.kernel.org>, "Shankari Anand" <shankari.ak0208@...il.com>
Subject: Re: linux-next: manual merge of the rust-alloc tree with the
 drm-rust tree

On Fri Sep 5, 2025 at 6:44 AM CEST, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the rust-alloc tree got a conflict in:
>
>   samples/rust/rust_dma.rs
>
> between commit:
>
>   5444799d701c ("samples: rust: dma: add sample code for SGTable")
>
> from the drm-rust tree and commit:
>
>   7e25d84f460c ("rust: dma: Update ARef and AlwaysRefCounted imports from sync::aref")
>
> from the rust-alloc tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
> -- 
> Cheers,
> Stephen Rothwell
>
> diff --cc samples/rust/rust_dma.rs
> index f55c6a37ccd9,997a9c4cf2b3..000000000000
> --- a/samples/rust/rust_dma.rs
> +++ b/samples/rust/rust_dma.rs
> @@@ -5,15 -5,14 +5,15 @@@
>   //! To make this driver probe, QEMU must be run with `-device pci-testdev`.
>   
>   use kernel::{
>  -    bindings,
>       device::Core,
>  -    dma::{CoherentAllocation, Device, DmaMask},
>  -    pci,
>  +    dma::{CoherentAllocation, DataDirection, Device, DmaMask},
>  +    page, pci,
>       prelude::*,
>  +    scatterlist::{Owned, SGTable},
> -     types::ARef,
> +     sync::aref::ARef,
>   };
>   
>  +#[pin_data(PinnedDrop)]
>   struct DmaSampleDriver {
>       pdev: ARef<pci::Device>,
>       ca: CoherentAllocation<MyStruct>,

Looks good, thanks!