From: kernel test robot <lkp@intel.com>
To: Praveen K Paladugu <prapal@linux.microsoft.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Wei Liu <wei.liu@kernel.org>,
Anatol Belski <anbelski@linux.microsoft.com>,
Easwar Hariharan <easwar.hariharan@linux.microsoft.com>
Subject: drivers/hv/mshv_common.c:224:6: warning: no previous prototype for 'hv_machine_power_off'
Date: Wed, 10 Dec 2025 13:45:42 +0800 [thread overview]
Message-ID: <202512101321.EaX2X9FD-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c9b47175e9131118e6f221cc8fb81397d62e7c91
commit: 615a6e7d83f958e7ef3bc818e818f7c6433b4c2a mshv: Cleanly shutdown root partition with MSHV
date: 4 days ago
config: arm64-randconfig-001-20251210 (https://download.01.org/0day-ci/archive/20251210/202512101321.EaX2X9FD-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251210/202512101321.EaX2X9FD-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512101321.EaX2X9FD-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/hv/mshv_common.c:210:6: warning: no previous prototype for 'hv_sleep_notifiers_register' [-Wmissing-prototypes]
210 | void hv_sleep_notifiers_register(void)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/hv/mshv_common.c:224:6: warning: no previous prototype for 'hv_machine_power_off' [-Wmissing-prototypes]
224 | void hv_machine_power_off(void)
| ^~~~~~~~~~~~~~~~~~~~
vim +/hv_machine_power_off +224 drivers/hv/mshv_common.c
219
220 /*
221 * Power off the machine by entering S5 sleep state via Hyper-V hypercall.
222 * This call does not return if successful.
223 */
> 224 void hv_machine_power_off(void)
225 {
226 unsigned long flags;
227 struct hv_input_enter_sleep_state *in;
228
229 local_irq_save(flags);
230 in = *this_cpu_ptr(hyperv_pcpu_input_arg);
231 in->sleep_state = HV_SLEEP_STATE_S5;
232
233 (void)hv_do_hypercall(HVCALL_ENTER_SLEEP_STATE, in, NULL);
234 local_irq_restore(flags);
235
236 /* should never reach here */
237 BUG();
238
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-12-10 5:45 UTC|newest]
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