Re: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall

Thomas Gleixner
2025-11-23T18:47:55Z

On Sat, Nov 22 2025 at 14:49, kernel test robot wrote:
> kernel test robot noticed the following build warnings:
>
> [auto build test WARNING on c42ba5a87bdccbca11403b7ca8bad1a57b833732]
>
> url: https://github.com/intel-lab-lkp/linux/commits/Andr-Almeida/futex-Use-explicit-sizes-for-compat_robust_list-structs/20251122-135406
> base: c42ba5a87bdccbca11403b7ca8bad1a57b833732
> patch link: https://lore.kernel.org/r/20251122-tonyk-robust_futex-v6-6-05fea005a0fd%40igalia.com
> patch subject: [PATCH v6 6/9] futex: Wire up get_robust_list2 syscall
> config: arc-allnoconfig (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-lkp@intel.com/config)
> compiler: arc-linux-gcc (GCC) 15.1.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251122/202511221454.rsysOoSt-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@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202511221454.rsysOoSt-lkp@intel.com/
>
> All warnings (new ones prefixed by >>):
>
>>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]
> --
>>> <stdin>:1627:2: warning: #warning syscall get_robust_list2 not implemented [-Wcpp]

Lacks a COND_SYSCALL()