* warning: unknown and unstable feature specified for `-Ctarget-feature`: `mma`
@ 2026-09-17 13:38 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-09-17 13:38 UTC (permalink / raw)
To: Mukesh Kumar Chaurasiya (IBM)
Cc: oe-kbuild-all, linux-kernel, Madhavan Srinivasan, Link Mauve,
Christophe Leroy (CS GROUP)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 238650ef6c7c7cca08e032527329424c9fbd70e5
commit: bc87cbdb952e9223616b839d64bdb4723aa2ed1d powerpc: Enable Rust for ppc64le
date: 7 weeks ago
config: powerpc64-randconfig-r2201-20260917 (https://download.01.org/0day-ci/archive/20260917/202609171549.xeqQabC6-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
rustc: rustc 1.96.0 (ac68faa20 2026-05-25)
smatch: v0.5.0-9187-g5189e3fb
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260917/202609171549.xeqQabC6-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
| Fixes: bc87cbdb952e ("powerpc: Enable Rust for ppc64le")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609171549.xeqQabC6-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> warning: unknown and unstable feature specified for `-Ctarget-feature`: `mma`
|
= note: it is still passed through to the codegen backend, but use of this feature might be unsound and the behavior of this feature can change in the future
= help: consider filing a feature request
--
>> warning: unstable feature specified for `-Ctarget-feature`: `vsx`
|
= note: this feature is not stably supported; its behavior can change in the future
--
>> warning: unknown and unstable feature specified for `-Ctarget-feature`: `hard-float`
|
= note: it is still passed through to the codegen backend, but use of this feature might be unsound and the behavior of this feature can change in the future
= help: consider filing a feature request
--
>> warning: unstable feature specified for `-Ctarget-feature`: `altivec`
|
= note: this feature is not stably supported; its behavior can change in the future
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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