Re: [PATCH v1] PM: Support aborting suspend during filesystem sync

From: kernel test robot
Date: Wed Aug 13 2025 - 15:23:07 EST

Hi Samuel,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on rafael-pm/bleeding-edge linus/master v6.17-rc1 next-20250813]
[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/Samuel-Wu/PM-Support-aborting-suspend-during-filesystem-sync/20250813-072435
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link: https://lore.kernel.org/r/20250812232126.1814253-1-wusamuel%40google.com
patch subject: [PATCH v1] PM: Support aborting suspend during filesystem sync
config: arm64-randconfig-r132-20250813 (https://download.01.org/0day-ci/archive/20250814/202508140303.9c38ncEh-lkp@xxxxxxxxx/config)
compiler: aarch64-linux-gcc (GCC) 12.5.0
reproduce: (https://download.01.org/0day-ci/archive/20250814/202508140303.9c38ncEh-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/202508140303.9c38ncEh-lkp@xxxxxxxxx/

sparse warnings: (new ones prefixed by >>)
>> kernel/power/suspend.c:79:1: sparse: sparse: symbol 'suspend_fs_sync_lock' was not declared. Should it be static?
>> kernel/power/suspend.c:80:1: sparse: sparse: symbol 'suspend_fs_sync_complete' was not declared. Should it be static?
kernel/power/suspend.c:104:54: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] @@
kernel/power/suspend.c:104:54: sparse: expected int val
kernel/power/suspend.c:104:54: sparse: got restricted suspend_state_t [usertype]
kernel/power/suspend.c:141:54: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] @@
kernel/power/suspend.c:141:54: sparse: expected int val
kernel/power/suspend.c:141:54: sparse: got restricted suspend_state_t [usertype]
kernel/power/suspend.c:202:19: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:202:47: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:203:19: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:203:51: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:208:26: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:208:65: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:215:42: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:215:51: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:216:38: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:217:51: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:215:72: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:240:34: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:240:73: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:241:27: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:241:59: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:246:34: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:246:69: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:247:21: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:247:42: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:537:33: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:537:33: sparse: expected int val
kernel/power/suspend.c:537:33: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:540:33: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:540:33: sparse: expected int val
kernel/power/suspend.c:540:33: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:610:57: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:610:57: sparse: expected int val
kernel/power/suspend.c:610:57: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:612:57: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:612:57: sparse: expected int val
kernel/power/suspend.c:612:57: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:650:52: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:650:52: sparse: expected int val
kernel/power/suspend.c:650:52: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:675:9: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:675:9: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:684:52: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected int val @@ got restricted suspend_state_t [usertype] state @@
kernel/power/suspend.c:684:52: sparse: expected int val
kernel/power/suspend.c:684:52: sparse: got restricted suspend_state_t [usertype] state
kernel/power/suspend.c:685:9: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:685:9: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:708:13: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:708:22: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:708:39: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:708:48: sparse: sparse: restricted suspend_state_t degrades to integer
kernel/power/suspend.c:711:9: sparse: sparse: restricted suspend_state_t degrades to integer

vim +/suspend_fs_sync_lock +79 kernel/power/suspend.c

77
78 static bool suspend_fs_sync_queued;
> 79 DEFINE_SPINLOCK(suspend_fs_sync_lock);
> 80 DECLARE_COMPLETION(suspend_fs_sync_complete);
81 void suspend_abort_fs_sync(void)
82 {
83 spin_lock(&suspend_fs_sync_lock);
84 complete(&suspend_fs_sync_complete);
85 spin_unlock(&suspend_fs_sync_lock);
86 }
87

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