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Power management updates for 5.17-rc2

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- Make the buffer handling in pm_show_wakelocks() more robust by
    using sysfs_emit_at() in it to generate output (Greg Kroah-Hartman).
 
  - Drop register_nosave_region_late() which is not used (Amadeusz
    Sławiński).
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Merge tag 'pm-5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These make the buffer handling in pm_show_wakelocks() more robust and
  drop an unused hibernation-related function.

  Specifics:

   - Make the buffer handling in pm_show_wakelocks() more robust by
     using sysfs_emit_at() in it to generate output (Greg
     Kroah-Hartman).

   - Drop register_nosave_region_late() which is not used (Amadeusz
     Sławiński)"

* tag 'pm-5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  PM: hibernate: Remove register_nosave_region_late()
  PM: wakeup: simplify the output logic of pm_show_wakelocks()
This commit is contained in:
Linus Torvalds 2022-01-28 20:44:07 +02:00
commit a7b4b0076b
3 changed files with 12 additions and 31 deletions
Download patch file Download diff file Expand all files Collapse all files

11
include/linux/suspend.h
View file

@ -430,15 +430,7 @@ struct platform_hibernation_ops {
#ifdef CONFIG_HIBERNATION
/* kernel/power/snapshot.c */
extern void __register_nosave_region(unsigned long b, unsigned long e, int km);
static inline void __init register_nosave_region(unsigned long b, unsigned long e)
{
__register_nosave_region(b, e, 0);
}
static inline void __init register_nosave_region_late(unsigned long b, unsigned long e)
{
__register_nosave_region(b, e, 1);
}
extern void register_nosave_region(unsigned long b, unsigned long e);
extern int swsusp_page_is_forbidden(struct page *);
extern void swsusp_set_page_free(struct page *);
extern void swsusp_unset_page_free(struct page *);
@ -458,7 +450,6 @@ int pfn_is_nosave(unsigned long pfn);
int hibernate_quiet_exec(int (*func)(void *data), void *data);
#else /* CONFIG_HIBERNATION */
static inline void register_nosave_region(unsigned long b, unsigned long e) {}
static inline void register_nosave_region_late(unsigned long b, unsigned long e) {}
static inline int swsusp_page_is_forbidden(struct page *p) { return 0; }
static inline void swsusp_set_page_free(struct page *p) {}
static inline void swsusp_unset_page_free(struct page *p) {}