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s390/perf: Change CPUM_CF return code in event init function
The function perf_init_event() creates a new event and assignes it to a PMU. This a done in a loop over all existing PMUs. For each listed PMU the event init function is called and if this function does return any other error than -ENOENT, the loop is terminated the creation of the event fails. If the event is invalid, return -ENOENT to try other PMUs. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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1 changed files with 1 additions and 1 deletions
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@ -373,7 +373,7 @@ static int __hw_perf_event_init(struct perf_event *event)
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return -ENOENT;
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if (ev > PERF_CPUM_CF_MAX_CTR)
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return -EINVAL;
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return -ENOENT;
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/* Obtain the counter set to which the specified counter belongs */
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set = get_counter_set(ev);
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