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McKenney" Subject: [paulmck-rcu:dev.2026.09.18a 24/34] block.c:undefined reference to `cmpxchg_emu_u8' Message-ID: <202609301117.nVKrDSkb-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2026.09.18a head: 90599c372e13369d11f6c1a01ff0094b16f72cf8 commit: c98d10b438b5626edb3f4e06f4f62bcb6ed6fe90 [24/34] lib: Add two-byte cmpxchg emulation function config: xtensa-randconfig-1000-20260929 (https://download.01.org/0day-ci/archive/20260930/202609301117.nVKrDSkb-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260930/202609301117.nVKrDSkb-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202609301117.nVKrDSkb-lkp@intel.com/ All errors (new ones prefixed by >>): xtensa-linux-ld: fs/crypto/block.o: in function `fscrypt_limit_io_blocks': >> block.c:(.text+0x300): undefined reference to `cmpxchg_emu_u8' xtensa-linux-ld: fs/crypto/block.o: in function `fscrypt_zeroout_range_end_io': block.c:(.text+0x31c): undefined reference to `cmpxchg_emu_u8' xtensa-linux-ld: fs/btrfs/bio.o: in function `btrfs_bio_alloc': >> bio.c:(.text+0x88c): undefined reference to `cmpxchg_emu_u8' xtensa-linux-ld: fs/btrfs/bio.o: in function `btrfs_bio_end_io': bio.c:(.text+0x8e8): undefined reference to `cmpxchg_emu_u8' `.exit.text' referenced in section `__jump_table' of drivers/staging/vme_user/vme_fake.o: defined in discarded section `.exit.text' of drivers/staging/vme_user/vme_fake.o `.exit.text' referenced in section `__jump_table' of drivers/staging/vme_user/vme_fake.o: defined in discarded section `.exit.text' of drivers/staging/vme_user/vme_fake.o xtensa-linux-ld: block/blk-crypto-fallback.o: in function `blk_crypto_fallback_decrypt_endio': >> blk-crypto-fallback.c:(.text+0x10c): undefined reference to `cmpxchg_emu_u8' xtensa-linux-ld: block/blk-crypto-fallback.o:blk-crypto-fallback.c:(.text+0x18c): more undefined references to `cmpxchg_emu_u8' follow -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki