linux-kernel - Re: linux-next: manual merge of the rust tree with the driver-core tree

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Message-ID: <20251205142257.226cc2ab@canb.auug.org.au>
Date: Fri, 5 Dec 2025 14:22:57 +1100
From: Stephen Rothwell <sfr@...b.auug.org.au>
To: Miguel Ojeda <ojeda@...nel.org>, Greg KH <greg@...ah.com>, Danilo
 Krummrich <dakr@...nel.org>, "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Tamir Duberstein <tamird@...il.com>, Linux Kernel Mailing List
 <linux-kernel@...r.kernel.org>, Linux Next Mailing List
 <linux-next@...r.kernel.org>
Subject: Re: linux-next: manual merge of the rust tree with the driver-core
 tree

Hi all,

On Mon, 10 Nov 2025 12:24:26 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next merge of the rust tree got a conflict in:
> 
>   rust/kernel/debugfs/file_ops.rs
> 
> between commit:
> 
>   9c804d9cf2db ("rust: debugfs: support for binary large objects")
> 
> from the driver-core tree and commit:
> 
>   3f0dd5fad9ac ("rust: debugfs: use `kernel::fmt`")
> 
> from the rust 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.
> 
> 
> diff --cc rust/kernel/debugfs/file_ops.rs
> index 6c8928902a0b,9ad5e3fa6f69..000000000000
> --- a/rust/kernel/debugfs/file_ops.rs
> +++ b/rust/kernel/debugfs/file_ops.rs
> @@@ -1,9 -1,9 +1,10 @@@
>   // SPDX-License-Identifier: GPL-2.0
>   // Copyright (C) 2025 Google LLC.
>   
>  -use super::{Reader, Writer};
>  +use super::{BinaryReader, BinaryWriter, Reader, Writer};
>   use crate::debugfs::callback_adapters::Adapter;
> + use crate::fmt;
>  +use crate::fs::file;
>   use crate::prelude::*;
>   use crate::seq_file::SeqFile;
>   use crate::seq_print;

This is now a conflict between the driver-core tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell

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