On Sun, Jul 16, 2023 at 10:20 PM kernel test robot lkp@intel.com wrote:
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.14.y head: 60a6e3043cc8b918c989707a5eba5fd6830a08a4 commit: f40f289b96bf856e1613f17bf9426140e8b89393 [4549/9999] binder: Prevent context manager from incrementing ref 0 config: openrisc-randconfig-r002-20230717 (https://download.01.org/0day-ci/archive/20230717/202307170435.p9l0j6zC-lkp@i...) compiler: or1k-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230717/202307170435.p9l0j6zC-lkp@i...)
[...]
drivers/android/binder.c: Assembler messages:
drivers/android/binder.c:3355: Error: unrecognized keyword/register name `l.lwz ?ap,4(r20)'
drivers/android/binder.c:3360: Error: unrecognized keyword/register name `l.addi ?ap,r0,0' drivers/android/binder.c:3427: Error: unrecognized keyword/register name `l.lwz ?ap,4(r20)' drivers/android/binder.c:3432: Error: unrecognized keyword/register name `l.addi ?ap,r0,0'
drivers/android/binder.c:3555: Error: unrecognized keyword/register name `l.lwz ?ap,4(r21)'
drivers/android/binder.c:3560: Error: unrecognized keyword/register name `l.addi ?ap,r0,0'
Probably same issue as https://lore.kernel.org/oe-kbuild-all/202010160523.r8yMbvrW-lkp@intel.com/ ? That thread says the fix is https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ar... , and it was then backported to 5.4 (as a6db3aab9c408e1b788c43f9fb179382f5793ea2) and 5.8.