linux-kernel - Mainline loongarch64 defconfig+Rust build error

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Message-ID: <CANiq72mrVzqXnAV=Hy2XBOonLHA6YQgH-ckZoc_h0VBvTGK8rA@mail.gmail.com>
Date: Tue, 9 Dec 2025 11:56:35 +0100
From: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
To: Huacai Chen <chenhuacai@...nel.org>, WANG Xuerui <kernel@...0n.name>, 
	Alice Ryhl <aliceryhl@...gle.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Arve Hjønnevåg <arve@...roid.com>, 
	Todd Kjos <tkjos@...roid.com>, Christian Brauner <christian@...uner.io>, 
	Carlos Llamas <cmllamas@...gle.com>
Cc: Björn Roy Baron <bjorn3_gh@...tonmail.com>, 
	Danilo Krummrich <dakr@...nel.org>, Benno Lossin <lossin@...nel.org>, Boqun Feng <boqun.feng@...il.com>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Trevor Gross <tmgross@...ch.edu>, loongarch@...ts.linux.dev, 
	rust-for-linux <rust-for-linux@...r.kernel.org>, 
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Mainline loongarch64 defconfig+Rust build error

Hi all,

I am seeing in mainline loongarch64 defconfig+Rust the following build
error [1].

Cheers,
Miguel

[1]

 error[E0425]: cannot find value `compat_ptr_ioctl` in crate `bindings`
     --> drivers/android/binder/rust_binder_main.rs:317:38
      |
317   |         compat_ioctl: Some(bindings::compat_ptr_ioctl),
      |                                      ^^^^^^^^^^^^^^^^ help: a
function with a similar name exists: `compat_sys_ioctl`
      |
     ::: /__w/quick/quick/linux/rust/bindings/bindings_generated.rs:78264:5
      |
78264 |     pub fn compat_sys_ioctl(fd: ffi::c_uint, cmd: ffi::c_uint,
arg: compat_ulong_t) -> ffi::c_long;
      |     ----------------------------------------------------------------------------------------------
similarly named function `compat_sys_ioctl` defined here