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rust: uaccess: add __rust_helper to helpers

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This is needed to inline these helpers into Rust code.

Reviewed-by: Boqun Feng <boqun.feng@gmail.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Link: https://patch.msgid.link/20260105-define-rust-helper-v2-23-51da5f454a67@google.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>
This commit is contained in:
Alice Ryhl 2026-01-05 12:42:36 +00:00 • committed by Miguel Ojeda
parent 4890cd1d33
commit 93ad1d734e
1 changed files with 6 additions and 4 deletions
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10
rust/helpers/uaccess.c
View file

@ -2,24 +2,26 @@
#include <linux/uaccess.h>
unsigned long rust_helper_copy_from_user(void *to, const void __user *from,
unsigned long n)
__rust_helper unsigned long
rust_helper_copy_from_user(void *to, const void __user *from, unsigned long n)
{
return copy_from_user(to, from, n);
}
unsigned long rust_helper_copy_to_user(void __user *to, const void *from,
unsigned long n)
__rust_helper unsigned long
rust_helper_copy_to_user(void __user *to, const void *from, unsigned long n)
{
return copy_to_user(to, from, n);
}
#ifdef INLINE_COPY_FROM_USER
__rust_helper
unsigned long rust_helper__copy_from_user(void *to, const void __user *from, unsigned long n)
{
return _inline_copy_from_user(to, from, n);
}
__rust_helper
unsigned long rust_helper__copy_to_user(void __user *to, const void *from, unsigned long n)
{
return _inline_copy_to_user(to, from, n);