diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-05-09 14:51:47 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-05-13 14:00:20 +0200 |
| commit | 1b17d4525bca3916644c41e01522df8fa0f8b90b (patch) | |
| tree | 8642dc7b4734822eb1fad4ef55b2e1813b094c40 | |
| parent | d559335f3f0cae88d9af49d6572297a30286286f (diff) | |
PM: sleep: Print PM debug messages during hibernation
Commit cdb8c100d8a4 ("include/linux/suspend.h: Only show pm_pr_dbg
messages at suspend/resume") caused PM debug messages to only be
printed during system-wide suspend and resume in progress, but it
forgot about hibernation.
Address this by adding a check for hibernation in progress to
pm_debug_messages_should_print().
Fixes: cdb8c100d8a4 ("include/linux/suspend.h: Only show pm_pr_dbg messages at suspend/resume")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://patch.msgid.link/4998903.GXAFRqVoOG@rjwysocki.net
| -rw-r--r-- | kernel/power/hibernate.c | 5 | ||||
| -rw-r--r-- | kernel/power/main.c | 3 | ||||
| -rw-r--r-- | kernel/power/power.h | 4 |
3 files changed, 11 insertions, 1 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index f4db2e82fd87..c503baf170af 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -90,6 +90,11 @@ void hibernate_release(void) atomic_inc(&hibernate_atomic); } +bool hibernation_in_progress(void) +{ + return !atomic_read(&hibernate_atomic); +} + bool hibernation_available(void) { return nohibernate == 0 && diff --git a/kernel/power/main.c b/kernel/power/main.c index 97746f08b762..fb20a6e26fb6 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -613,7 +613,8 @@ bool pm_debug_messages_on __read_mostly; bool pm_debug_messages_should_print(void) { - return pm_debug_messages_on && pm_suspend_target_state != PM_SUSPEND_ON; + return pm_debug_messages_on && (hibernation_in_progress() || + pm_suspend_target_state != PM_SUSPEND_ON); } EXPORT_SYMBOL_GPL(pm_debug_messages_should_print); diff --git a/kernel/power/power.h b/kernel/power/power.h index c352dea2f67b..f8496f40b54f 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -71,10 +71,14 @@ extern void enable_restore_image_protection(void); static inline void enable_restore_image_protection(void) {} #endif /* CONFIG_STRICT_KERNEL_RWX */ +extern bool hibernation_in_progress(void); + #else /* !CONFIG_HIBERNATION */ static inline void hibernate_reserved_size_init(void) {} static inline void hibernate_image_size_init(void) {} + +static inline bool hibernation_in_progress(void) { return false; } #endif /* !CONFIG_HIBERNATION */ #define power_attr(_name) \ |