linux-kernel - Re: [PATCH v12 3/5] rust: samples: add tracepoint to Rust sample

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Message-ID: <202411021421.jZ0FSDq6-lkp@intel.com>
Date: Sat, 2 Nov 2024 15:07:54 +0800
From: kernel test robot <lkp@...el.com>
To: Alice Ryhl <aliceryhl@...gle.com>, Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Jason Baron <jbaron@...mai.com>, Ard Biesheuvel <ardb@...nel.org>,
	Miguel Ojeda <ojeda@...nel.org>,
	Alex Gaynor <alex.gaynor@...il.com>,
	Wedson Almeida Filho <wedsonaf@...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>
Cc: oe-kbuild-all@...ts.linux.dev, linux-trace-kernel@...r.kernel.org,
	rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>, linux-arch@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Sean Christopherson <seanjc@...gle.com>,
	Uros Bizjak <ubizjak@...il.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>
Subject: Re: [PATCH v12 3/5] rust: samples: add tracepoint to Rust sample

Hi Alice,

kernel test robot noticed the following build errors:

[auto build test ERROR on eb887c4567d1b0e7684c026fe7df44afa96589e6]

url:    https://github.com/intel-lab-lkp/linux/commits/Alice-Ryhl/rust-add-static_branch_unlikely-for-static_key_false/20241031-000709
base:   eb887c4567d1b0e7684c026fe7df44afa96589e6
patch link:    https://lore.kernel.org/r/20241030-tracepoint-v12-3-eec7f0f8ad22%40google.com
patch subject: [PATCH v12 3/5] rust: samples: add tracepoint to Rust sample
config: x86_64-randconfig-103-20241101 (https://download.01.org/0day-ci/archive/20241102/202411021421.jZ0FSDq6-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241102/202411021421.jZ0FSDq6-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/202411021421.jZ0FSDq6-lkp@intel.com/

All errors (new ones prefixed by >>):

>> error[E0425]: cannot find value `__tracepoint_rust_sample_loaded` in crate `$crate::bindings`
   --> samples/rust/rust_print.rs:87:5
   |
   87 | /     kernel::declare_trace! {
   88 | |         /// # Safety
   89 | |         ///
   90 | |         /// Always safe to call.
   91 | |         unsafe fn rust_sample_loaded(magic: c_int);
   92 | |     }
   | |_____^ not found in `$crate::bindings`
   |
   = note: this error originates in the macro `kernel::declare_trace` (in Nightly builds, run with -Z macro-backtrace for more info)
--
>> error[E0425]: cannot find function `rust_do_trace_rust_sample_loaded` in crate `$crate::bindings`
   --> samples/rust/rust_print.rs:87:5
   |
   87 | /     kernel::declare_trace! {
   88 | |         /// # Safety
   89 | |         ///
   90 | |         /// Always safe to call.
   91 | |         unsafe fn rust_sample_loaded(magic: c_int);
   92 | |     }
   | |_____^ not found in `$crate::bindings`
   |
   = note: this error originates in the macro `kernel::declare_trace` (in Nightly builds, run with -Z macro-backtrace for more info)

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki