Re: [PATCH] PM / sleep: Mechanism to find source aborting kernel suspend transition
From: kernel test robot
Date: Sat Dec 09 2023 - 12:53:13 EST
Hi Vimal,
kernel test robot noticed the following build warnings:
[auto build test WARNING on rafael-pm/linux-next]
[also build test WARNING on rafael-pm/acpi-bus linus/master rafael-pm/devprop v6.7-rc4 next-20231208]
[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/Vimal-Kumar/PM-sleep-Mechanism-to-find-source-aborting-kernel-suspend-transition/20231209-161237
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link: https://lore.kernel.org/r/20231209081056.1497-1-vimal.kumar32%40gmail.com
patch subject: [PATCH] PM / sleep: Mechanism to find source aborting kernel suspend transition
config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20231210/202312100146.Nv4INLR5-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-12) 11.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231210/202312100146.Nv4INLR5-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/202312100146.Nv4INLR5-lkp@xxxxxxxxx/
All warnings (new ones prefixed by >>):
>> drivers/base/power/wakeup.c:607:6: warning: no previous prototype for 'pm_add_abort_suspend_source' [-Wmissing-prototypes]
607 | void pm_add_abort_suspend_source(const char *source_name)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from include/linux/rculist.h:10,
from include/linux/pid.h:5,
from include/linux/sched.h:14,
from include/linux/ratelimit.h:6,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from drivers/base/power/wakeup.c:9:
drivers/base/power/wakeup.c: In function 'pm_wakeup_pending':
drivers/base/power/wakeup.c:955:45: error: 'info' undeclared (first use in this function)
955 | list_for_each_entry(info, &pm_abort_suspend_list, list) {
| ^~~~
include/linux/list.h:778:14: note: in definition of macro 'list_for_each_entry'
778 | for (pos = list_first_entry(head, typeof(*pos), member); \
| ^~~
drivers/base/power/wakeup.c:955:45: note: each undeclared identifier is reported only once for each function it appears in
955 | list_for_each_entry(info, &pm_abort_suspend_list, list) {
| ^~~~
include/linux/list.h:778:14: note: in definition of macro 'list_for_each_entry'
778 | for (pos = list_first_entry(head, typeof(*pos), member); \
| ^~~
In file included from include/linux/bits.h:21,
from include/linux/ratelimit_types.h:5,
from include/linux/ratelimit.h:5,
from include/linux/dev_printk.h:16,
from include/linux/device.h:15,
from drivers/base/power/wakeup.c:9:
include/linux/compiler_types.h:376:27: error: expression in static assertion is not an integer
376 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:601:9: note: in expansion of macro 'container_of'
601 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:612:9: note: in expansion of macro 'list_entry'
612 | list_entry((ptr)->next, type, member)
| ^~~~~~~~~~
include/linux/list.h:778:20: note: in expansion of macro 'list_first_entry'
778 | for (pos = list_first_entry(head, typeof(*pos), member); \
| ^~~~~~~~~~~~~~~~
drivers/base/power/wakeup.c:955:25: note: in expansion of macro 'list_for_each_entry'
955 | list_for_each_entry(info, &pm_abort_suspend_list, list) {
| ^~~~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:376:27: error: expression in static assertion is not an integer
376 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:78:56: note: in definition of macro '__static_assert'
78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
| ^~~~
include/linux/container_of.h:20:9: note: in expansion of macro 'static_assert'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~~~
include/linux/container_of.h:20:23: note: in expansion of macro '__same_type'
20 | static_assert(__same_type(*(ptr), ((type *)0)->member) || \
| ^~~~~~~~~~~
include/linux/list.h:601:9: note: in expansion of macro 'container_of'
601 | container_of(ptr, type, member)
| ^~~~~~~~~~~~
include/linux/list.h:645:9: note: in expansion of macro 'list_entry'
645 | list_entry((pos)->member.next, typeof(*(pos)), member)
| ^~~~~~~~~~
include/linux/list.h:780:20: note: in expansion of macro 'list_next_entry'
780 | pos = list_next_entry(pos, member))
| ^~~~~~~~~~~~~~~
drivers/base/power/wakeup.c:955:25: note: in expansion of macro 'list_for_each_entry'
955 | list_for_each_entry(info, &pm_abort_suspend_list, list) {
| ^~~~~~~~~~~~~~~~~~~
drivers/base/power/wakeup.c:956:33: error: implicit declaration of function 'log_suspend_abort_reason' [-Werror=implicit-function-declaration]
956 | log_suspend_abort_reason("ws or subsystem %s aborted suspend\n",
| ^~~~~~~~~~~~~~~~~~~~~~~~
drivers/base/power/wakeup.c: In function 'pm_system_wakeup':
drivers/base/power/wakeup.c:967:18: error: 'MAX_SUSPEND_ABORT_LEN' undeclared (first use in this function)
967 | char buf[MAX_SUSPEND_ABORT_LEN];
| ^~~~~~~~~~~~~~~~~~~~~
>> drivers/base/power/wakeup.c:967:14: warning: unused variable 'buf' [-Wunused-variable]
967 | char buf[MAX_SUSPEND_ABORT_LEN];
| ^~~
cc1: some warnings being treated as errors
vim +/pm_add_abort_suspend_source +607 drivers/base/power/wakeup.c
602
603 /**
604 * pm_add_abort_suspend_source: add sources who aborted system suspend transitions.
605 * @func_name: Name of the WS or subsystem which needs to added in the list
606 */
> 607 void pm_add_abort_suspend_source(const char *source_name)
608 {
609 struct pm_abort_suspend_source *info = NULL;
610
611 info = kmalloc(sizeof(struct pm_abort_suspend_source), GFP_KERNEL);
612 if (unlikely(!info)) {
613 pr_err("Failed to alloc memory for pm_abort_suspend_source info\n");
614 return;
615 }
616
617 /* Initialize the list within the struct if it's not already initialized */
618 if (list_empty(&info->list))
619 INIT_LIST_HEAD(&info->list);
620
621 info->source_triggering_abort_suspend = kstrdup(source_name, GFP_KERNEL);
622 if (unlikely(!info->source_triggering_abort_suspend)) {
623 pr_err("Failed to get abort_suspend source_name\n");
624 kfree(info);
625 return;
626 }
627
628 list_add_tail(&info->list, &pm_abort_suspend_list);
629 }
630 EXPORT_SYMBOL_GPL(pm_add_abort_suspend_source);
631
--
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