On Mon, Mar 11, 2024 at 10:47:14AM +0000, Alice Ryhl wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > Rust code needs to be able to access _copy_from_user and _copy_to_user > so that it can skip the check_copy_size check in cases where the length > is known at compile-time, mirroring the logic for when C code will skip > check_copy_size. To do this, we ensure that exported versions of these > methods are available when CONFIG_RUST is enabled. > > Alice has verified that this patch passes the CONFIG_TEST_USER_COPY test > on x86 using the Android cuttlefish emulator. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > Tested-by: Alice Ryhl <aliceryhl@xxxxxxxxxx> > Signed-off-by: Alice Ryhl <aliceryhl@xxxxxxxxxx> Reviewed-by: Boqun Feng <boqun.feng@xxxxxxxxx> Regards, Boqun
