On 7/25/24 06:34, kernel test robot wrote: > Hi Anshuman, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on arnd-asm-generic/master] > [also build test ERROR on akpm-mm/mm-nonmm-unstable akpm-mm/mm-everything linus/master v6.10 next-20240724] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/uapi-Define-GENMASK_U128/20240724-184809 > base: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git master > patch link: https://lore.kernel.org/r/20240724103142.165693-3-anshuman.khandual%40arm.com > patch subject: [PATCH 2/2] lib/test_bits.c: Add tests for GENMASK_U128() > config: m68k-sun3x_defconfig (https://download.01.org/0day-ci/archive/20240725/202407250853.f3pSzob6-lkp@xxxxxxxxx/config) > compiler: m68k-linux-gcc (GCC) 14.1.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240725/202407250853.f3pSzob6-lkp@xxxxxxxxx/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@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202407250853.f3pSzob6-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > In file included from lib/test_bits.c:6: > lib/test_bits.c: In function 'genmask_u128_test': >>> include/uapi/linux/const.h:24:36: error: '__int128' is not supported on this target > 24 | #define _AC128(X) ((unsigned __int128)(X)) > | ^~~~~~~~ > include/kunit/test.h:708:22: note: in definition of macro 'KUNIT_BASE_BINARY_ASSERTION' > 708 | const typeof(right) __right = (right); \ > | ^~~~~ > include/kunit/test.h:903:9: note: in expansion of macro 'KUNIT_BINARY_INT_ASSERTION' > 903 | KUNIT_BINARY_INT_ASSERTION(test, \ > | ^~~~~~~~~~~~~~~~~~~~~~~~~~ > include/kunit/test.h:900:9: note: in expansion of macro 'KUNIT_EXPECT_EQ_MSG' > 900 | KUNIT_EXPECT_EQ_MSG(test, left, right, NULL) > | ^~~~~~~~~~~~~~~~~~~ > lib/test_bits.c:45:9: note: in expansion of macro 'KUNIT_EXPECT_EQ' > 45 | KUNIT_EXPECT_EQ(test, 0x0000000000ff0000ULL, GENMASK_U128(87, 80) >> 64); > | ^~~~~~~~~~~~~~~ > include/uapi/linux/const.h:29:26: note: in expansion of macro '_AC128' > 29 | #define _U128(x) (_AC128(x)) > | ^~~~~~ > include/uapi/linux/bits.h:16:13: note: in expansion of macro '_U128' > 16 | (((~_U128(0)) - (_U128(1) << (l)) + 1) & \ > | ^~~~~ > include/linux/bits.h:39:38: note: in expansion of macro '__GENMASK_U128' > 39 | (GENMASK_INPUT_CHECK(h, l) + __GENMASK_U128(h, l)) > | ^~~~~~~~~~~~~~ > lib/test_bits.c:45:54: note: in expansion of macro 'GENMASK_U128' > 45 | KUNIT_EXPECT_EQ(test, 0x0000000000ff0000ULL, GENMASK_U128(87, 80) >> 64); This is probably triggered with GENMASK_U128() usage which is not protected with ARCH_SUPPORTS_INT128. Will respin the series with required fixes.
