ld.lld: error: vmlinux.a(af_vsock.o at 1186296) <inline asm>:5:8: unpredictable STXR instruction, status is also a source

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8cdeaa50eae8dad34885515f62559ee83e7e8dda
commit: 102eab95f025b4d3f3a6c0a858400aca2af2fe52 vsock: lock down child_ns_mode as write-once
date:   4 months ago
config: arm64-randconfig-001-20260706 (https://download.01.org/0day-ci/archive/20260706/202607061644.jD93AjWc-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260706/202607061644.jD93AjWc-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: 102eab95f025 ("vsock: lock down child_ns_mode as write-once")
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607061644.jD93AjWc-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: vmlinux.a(af_vsock.o at 1186296) <inline asm>:5:8: unpredictable STXR instruction, status is also a source
   stlxr   w8, w8, [x21]
   ^

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