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Fri, 23 Jun 2023 22:43:20 +0000 Date: Sat, 24 Jun 2023 06:43:14 +0800 From: kernel test robot To: Mark Rutland Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org, Peter Zijlstra , Kees Cook Subject: [tip:locking/core 37/43] drivers/char/ipmi/ipmi_msghandler.c:5194:13: warning: stack frame size (1032) exceeds limit (1024) in 'ipmi_panic_request_and_wait' Message-ID: <202306240641.rigy2zg2-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mark, FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant. tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core head: b33eb50a92b0a298fa8a6ac350e741c3ec100f6d commit: 1d78814d41701c216e28fcf2656526146dec4a1a [37/43] locking/atomic: scripts: simplify raw_atomic*() definitions config: arm-randconfig-r016-20230622 (https://download.01.org/0day-ci/archive/20230624/202306240641.rigy2zg2-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce: (https://download.01.org/0day-ci/archive/20230624/202306240641.rigy2zg2-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 | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202306240641.rigy2zg2-lkp@intel.com/ All warnings (new ones prefixed by >>): >> drivers/char/ipmi/ipmi_msghandler.c:5194:13: warning: stack frame size (1032) exceeds limit (1024) in 'ipmi_panic_request_and_wait' [-Wframe-larger-than] static void ipmi_panic_request_and_wait(struct ipmi_smi *intf, ^ 1 warning generated. vim +/ipmi_panic_request_and_wait +5194 drivers/char/ipmi/ipmi_msghandler.c 895dcfd1cab84d Corey Minyard 2012-03-28 5190 895dcfd1cab84d Corey Minyard 2012-03-28 5191 /* 895dcfd1cab84d Corey Minyard 2012-03-28 5192 * Inside a panic, send a message and wait for a response. 895dcfd1cab84d Corey Minyard 2012-03-28 5193 */ a567b6230066e3 Corey Minyard 2018-04-05 @5194 static void ipmi_panic_request_and_wait(struct ipmi_smi *intf, 895dcfd1cab84d Corey Minyard 2012-03-28 5195 struct ipmi_addr *addr, 895dcfd1cab84d Corey Minyard 2012-03-28 5196 struct kernel_ipmi_msg *msg) 895dcfd1cab84d Corey Minyard 2012-03-28 5197 { 895dcfd1cab84d Corey Minyard 2012-03-28 5198 struct ipmi_smi_msg smi_msg; 895dcfd1cab84d Corey Minyard 2012-03-28 5199 struct ipmi_recv_msg recv_msg; 895dcfd1cab84d Corey Minyard 2012-03-28 5200 int rv; 895dcfd1cab84d Corey Minyard 2012-03-28 5201 895dcfd1cab84d Corey Minyard 2012-03-28 5202 smi_msg.done = dummy_smi_done_handler; 895dcfd1cab84d Corey Minyard 2012-03-28 5203 recv_msg.done = dummy_recv_done_handler; 895dcfd1cab84d Corey Minyard 2012-03-28 5204 atomic_add(2, &panic_done_count); 895dcfd1cab84d Corey Minyard 2012-03-28 5205 rv = i_ipmi_request(NULL, 895dcfd1cab84d Corey Minyard 2012-03-28 5206 intf, 895dcfd1cab84d Corey Minyard 2012-03-28 5207 addr, 895dcfd1cab84d Corey Minyard 2012-03-28 5208 0, 895dcfd1cab84d Corey Minyard 2012-03-28 5209 msg, 895dcfd1cab84d Corey Minyard 2012-03-28 5210 intf, 895dcfd1cab84d Corey Minyard 2012-03-28 5211 &smi_msg, 895dcfd1cab84d Corey Minyard 2012-03-28 5212 &recv_msg, 895dcfd1cab84d Corey Minyard 2012-03-28 5213 0, 5fdb1fb2abe647 Corey Minyard 2017-09-05 5214 intf->addrinfo[0].address, 5fdb1fb2abe647 Corey Minyard 2017-09-05 5215 intf->addrinfo[0].lun, 895dcfd1cab84d Corey Minyard 2012-03-28 5216 0, 1); /* Don't retry, and don't wait. */ 895dcfd1cab84d Corey Minyard 2012-03-28 5217 if (rv) 895dcfd1cab84d Corey Minyard 2012-03-28 5218 atomic_sub(2, &panic_done_count); 82802f968bd311 Hidehiro Kawai 2015-07-27 5219 else if (intf->handlers->flush_messages) 82802f968bd311 Hidehiro Kawai 2015-07-27 5220 intf->handlers->flush_messages(intf->send_info); 82802f968bd311 Hidehiro Kawai 2015-07-27 5221 895dcfd1cab84d Corey Minyard 2012-03-28 5222 while (atomic_read(&panic_done_count) != 0) 895dcfd1cab84d Corey Minyard 2012-03-28 5223 ipmi_poll(intf); ^1da177e4c3f41 Linus Torvalds 2005-04-16 5224 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 5225 :::::: The code at line 5194 was first introduced by commit :::::: a567b6230066e3a2c964e2dc914e7f9a436806c4 ipmi: Change ipmi_smi_t to struct ipmi_smi * :::::: TO: Corey Minyard :::::: CC: Corey Minyard -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki