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Message-ID: <202410252126.lJKyvEk1-lkp@intel.com> Date: Fri, 25 Oct 2024 21:54:29 +0800 From: kernel test robot <lkp@...el.com> To: Daniel Almeida <daniel.almeida@...labora.com>, Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, Björn Roy Baron <bjorn3_gh@...tonmail.com>, Benno Lossin <benno.lossin@...ton.me>, Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu> Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org, Daniel Almeida <daniel.almeida@...labora.com> Subject: Re: [PATCH v2] rust: kernel: add support for bits/genmask macros Hi Daniel, kernel test robot noticed the following build errors: [auto build test ERROR on 91e21479c81dd4e9e22a78d7446f92f6b96a7284] url: https://github.com/intel-lab-lkp/linux/commits/Daniel-Almeida/rust-kernel-add-support-for-bits-genmask-macros/20241024-222614 base: 91e21479c81dd4e9e22a78d7446f92f6b96a7284 patch link: https://lore.kernel.org/r/20241024-topic-panthor-rs-genmask-v2-1-85237c1f0cea%40collabora.com patch subject: [PATCH v2] rust: kernel: add support for bits/genmask macros config: x86_64-buildonly-randconfig-003-20241025 (https://download.01.org/0day-ci/archive/20241025/202410252126.lJKyvEk1-lkp@intel.com/config) compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241025/202410252126.lJKyvEk1-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@...el.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410252126.lJKyvEk1-lkp@intel.com/ All errors (new ones prefixed by >>): >> error[E0015]: cannot call non-const fn `kunit_get_current_test` in constants --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = note: calls in constants are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `kernel::kunit_assert` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error: `core::ptr::mut_ptr::<impl *mut T>::is_null` is not yet stable as a const fn --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = help: add `#![feature(const_ptr_is_null)]` to the crate attributes to enable = note: this error originates in the macro `kernel::kunit_assert` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0015]: cannot call non-const fn `Arguments::<'_>::new_v1` in constants --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = note: calls in constants are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `format_args` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0015]: cannot call non-const fn `err` in constants --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = note: calls in constants are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `kernel::kunit_assert` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error: `Arguments::<'a>::new_const` is not yet stable as a const fn --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = help: add `#![feature(const_fmt_arguments_new)]` to the crate attributes to enable = note: this error originates in the macro `format_args` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0658]: referencing statics in constants is unstable --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = note: see issue #119618 <https://github.com/rust-lang/rust/issues/119618> for more information = help: add `#![feature(const_refs_to_static)]` to the crate attributes to enable = note: this compiler was built on 2024-04-29; consider upgrading it if it is out of date = note: `static` and `const` variables can refer to other `const` variables. A `const` variable, however, cannot refer to a `static` variable. = help: to fix this, the value can be extracted to a `const` and then used. = note: this error originates in the macro `kernel::kunit_assert` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0015]: cannot call non-const fn `__kunit_do_failed_assertion` in constants --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = note: calls in constants are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `kernel::kunit_assert` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0015]: cannot call non-const fn `__kunit_abort` in constants --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = note: calls in constants are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `kernel::kunit_assert` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- >> error[E0015]: cannot call non-const formatting macro in constants --> rust/doctests_kernel_generated.rs:317:16 | 317 | let mask = genmask!(39, 21); | ^^^^^^^^^^^^^^^^ | = note: calls in constants are limited to constant functions, tuple structs and tuple variants = note: this error originates in the macro `format_args` which comes from the expansion of the macro `genmask` (in Nightly builds, run with -Z macro-backtrace for more info) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
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