diff options
Diffstat (limited to 'kernel/power/hibernate.c')
| -rw-r--r-- | kernel/power/hibernate.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c index 797f19e2aaa9..29771c69383b 100644 --- a/kernel/power/hibernate.c +++ b/kernel/power/hibernate.c @@ -30,6 +30,7 @@ #include <linux/genhd.h> #include <linux/ktime.h> #include <trace/events/power.h> +#include <soc/qcom/boot_stats.h> #include "power.h" @@ -469,6 +470,7 @@ static int resume_target_kernel(bool platform_mode) touch_softlockup_watchdog(); syscore_resume(); + place_marker("PM: Image Restoration failed!"); Enable_irqs: local_irq_enable(); @@ -705,6 +707,7 @@ int hibernate(void) pm_restore_gfp_mask(); } else { pr_debug("PM: Image restored successfully.\n"); + place_marker("PM: Image restored!"); } Free_bitmaps: @@ -1163,6 +1166,22 @@ static int __init kaslr_nohibernate_setup(char *str) return nohibernate_setup(str); } +static int __init page_poison_nohibernate_setup(char *str) +{ +#ifdef CONFIG_PAGE_POISONING_ZERO + /* + * The zeroing option for page poison skips the checks on alloc. + * since hibernation doesn't save free pages there's no way to + * guarantee the pages will still be zeroed. + */ + if (!strcmp(str, "on")) { + pr_info("Disabling hibernation due to page poisoning\n"); + return nohibernate_setup(str); + } +#endif + return 1; +} + __setup("noresume", noresume_setup); __setup("resume_offset=", resume_offset_setup); __setup("resume=", resume_setup); @@ -1171,3 +1190,4 @@ __setup("resumewait", resumewait_setup); __setup("resumedelay=", resumedelay_setup); __setup("nohibernate", nohibernate_setup); __setup("kaslr", kaslr_nohibernate_setup); +__setup("page_poison=", page_poison_nohibernate_setup); |