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-rw-r--r--kernel/events/core.c5
-rw-r--r--kernel/time/clocksource.c2
-rw-r--r--kernel/time/timekeeping.c1
3 files changed, 3 insertions, 5 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 928b166d888e..2e947a485898 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -581,11 +581,6 @@ static u64 perf_event_time(struct perf_event *event);
void __weak perf_event_print_debug(void) { }
-extern __weak const char *perf_pmu_name(void)
-{
- return "pmu";
-}
-
static inline u64 perf_clock(void)
{
return local_clock();
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 1d1a61371b5a..2cd902592fc1 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -920,6 +920,8 @@ int __clocksource_register_scale(struct clocksource *cs, u32 scale, u32 freq)
clocksource_arch_init(cs);
+ if (WARN_ON_ONCE((unsigned int)cs->id >= CSID_MAX))
+ cs->id = CSID_GENERIC;
if (cs->vdso_clock_mode < 0 ||
cs->vdso_clock_mode >= VDSO_CLOCKMODE_MAX) {
pr_warn("clocksource %s registered with invalid VDSO mode %d. Disabling VDSO support.\n",
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 81fe2a33b80c..8a364aa9881a 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1048,6 +1048,7 @@ void ktime_get_snapshot(struct system_time_snapshot *systime_snapshot)
do {
seq = read_seqcount_begin(&tk_core.seq);
now = tk_clock_read(&tk->tkr_mono);
+ systime_snapshot->cs_id = tk->tkr_mono.clock->id;
systime_snapshot->cs_was_changed_seq = tk->cs_was_changed_seq;
systime_snapshot->clock_was_set_seq = tk->clock_was_set_seq;
base_real = ktime_add(tk->tkr_mono.base,