Hi LeoLiu-oc, kernel test robot noticed the following build errors: [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on char-misc/char-misc-next char-misc/char-misc-linus herbert-cryptodev-2.6/master linus/master v6.6 next-20231107] [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/LeoLiu-oc/hwrng-add-Zhaoxin-rng-driver-base-on-rep_xstore-instruction/20231107-152659 base: char-misc/char-misc-testing patch link: https://lore.kernel.org/r/20231107070900.496827-1-LeoLiu-oc%40zhaoxin.com patch subject: [PATCH] hwrng: add Zhaoxin rng driver base on rep_xstore instruction config: i386-randconfig-003-20231107 (https://download.01.org/0day-ci/archive/20231107/202311072324.klxSzojj-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231107/202311072324.klxSzojj-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/202311072324.klxSzojj-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/char/hw_random/zhaoxin-rng.c: Assembler messages: >> drivers/char/hw_random/zhaoxin-rng.c:42: Error: bad register name `%rcx' >> drivers/char/hw_random/zhaoxin-rng.c:43: Error: bad register name `%rdx' >> drivers/char/hw_random/zhaoxin-rng.c:44: Error: bad register name `%rdi' vim +42 drivers/char/hw_random/zhaoxin-rng.c 39 40 static inline int rep_xstore(size_t size, size_t factor, void *result) 41 { > 42 __asm__ __volatile__ ( > 43 "movq %0, %%rcx\n" > 44 "movq %1, %%rdx\n" 45 "movq %2, %%rdi\n" 46 ".byte 0xf3, 0x0f, 0xa7, 0xc0" 47 : 48 : "r"(size), "r"(factor), "r"(result) 49 : "%rcx", "%rdx", "%rdi", "memory"); 50 51 return 0; 52 } 53 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
