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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-08-30 10:05:46 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-08-30 10:05:46 -0300 |
| commit | c635813fef0b2327ffecbfbd642f0009e186b3a5 (patch) | |
| tree | 10ce89c8b5c36b890123024849cfd3f53e0affc5 /kernel/irq/timings.c | |
| parent | 37c3193fa4d7ddf93947264fa38d71120ff20c2a (diff) | |
| parent | 7d2a07b769330c34b4deabeed939325c77a7ec2f (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/irq/timings.c')
| -rw-r--r-- | kernel/irq/timings.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/irq/timings.c b/kernel/irq/timings.c index d309d6fbf5bd..4d2a702d7aa9 100644 --- a/kernel/irq/timings.c +++ b/kernel/irq/timings.c @@ -453,6 +453,11 @@ static __always_inline void __irq_timings_store(int irq, struct irqt_stat *irqs, */ index = irq_timings_interval_index(interval); + if (index > PREDICTION_BUFFER_SIZE - 1) { + irqs->count = 0; + return; + } + /* * Store the index as an element of the pattern in another * circular array. |