tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y head: 4416c389d63e76d897a5788f6145f08522cf58b4 commit: 200e0ef9492db39e87343d5d89ce24535347ea1e [9736/9999] x86/asm: Add instruction suffixes to bitops config: x86_64-randconfig-a003-20210809 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=200e0ef9492db39e87343d5d89ce24535347ea1e git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-4.14.y git checkout 200e0ef9492db39e87343d5d89ce24535347ea1e # save the attached .config to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash LDFLAGS=-z max-page-size=0x200000 drivers/media/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/media/usb/ttusb-dec/ttusb_dec.o: warning: objtool: ttusb_dec_process_urb_frame_list()+0x151: sibling call from callable instruction with modified stack frame --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org