Hi Matthew, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: bf2d30f15bc3ebd4c79b1705da288451a043fee1 commit: a6fb923f7803f40a567445dfe1ff3a539c8adc1f [1335/1335] 9p: Use a slab for allocating requests config: x86_64-buildonly-randconfig-003-20241218 (https://download.01.org/0day-ci/archive/20241219/202412190600.PTjhIB1P-lkp@i...) 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/20241219/202412190600.PTjhIB1P-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412190600.PTjhIB1P-lkp@intel.com/ All warnings (new ones prefixed by >>): net/9p/client.c:376: warning: Function parameter or member 'c' not described in 'p9_client_cb' net/9p/client.c:376: warning: Function parameter or member 'req' not described in 'p9_client_cb' net/9p/client.c:376: warning: Function parameter or member 'status' not described in 'p9_client_cb' net/9p/client.c:523: warning: Function parameter or member 'uidata' not described in 'p9_check_zc_errors' net/9p/client.c:774: warning: Function parameter or member 'in_hdrlen' not described in 'p9_client_zc_rpc' net/9p/client.c:774: warning: Excess function parameter 'hdrlen' description in 'p9_client_zc_rpc' net/9p/client.o: warning: objtool: parse_opts()+0x1fd: sibling call from callable instruction with modified stack frame net/9p/client.o: warning: objtool: p9_client_destroy()+0xec: sibling call from callable instruction with modified stack frame net/9p/client.o: warning: objtool: p9_client_clunk()+0xb: sibling call from callable instruction with modified stack frame net/9p/client.o: warning: objtool: p9_client_read()+0x251: sibling call from callable instruction with modified stack frame net/9p/client.o: warning: objtool: p9_client_write()+0x23b: sibling call from callable instruction with modified stack frame net/9p/client.o: warning: objtool: p9_client_readdir()+0x1fd: sibling call from callable instruction with modified stack frame

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net/9p/client.o: warning: objtool: missing symbol for section .init.text

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