diff options
| -rw-r--r-- | arch/powerpc/include/asm/perf_event_fsl_emb.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/perf/core-fsl-emb.c | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/perf_event_fsl_emb.h b/arch/powerpc/include/asm/perf_event_fsl_emb.h index 718a9fa94e68..a58165450f6f 100644 --- a/arch/powerpc/include/asm/perf_event_fsl_emb.h +++ b/arch/powerpc/include/asm/perf_event_fsl_emb.h @@ -13,7 +13,7 @@ #include <linux/types.h> #include <asm/hw_irq.h> -#define MAX_HWEVENTS 4 +#define MAX_HWEVENTS 6 /* event flags */ #define FSL_EMB_EVENT_VALID 1 diff --git a/arch/powerpc/perf/core-fsl-emb.c b/arch/powerpc/perf/core-fsl-emb.c index 106c53354675..0b13f74f5fb3 100644 --- a/arch/powerpc/perf/core-fsl-emb.c +++ b/arch/powerpc/perf/core-fsl-emb.c @@ -462,6 +462,12 @@ static int fsl_emb_pmu_event_init(struct perf_event *event) int num_restricted; int i; + if (ppmu->n_counter > MAX_HWEVENTS) { + WARN(1, "No. of perf counters (%d) is higher than max array size(%d)\n", + ppmu->n_counter, MAX_HWEVENTS); + ppmu->n_counter = MAX_HWEVENTS; + } + switch (event->attr.type) { case PERF_TYPE_HARDWARE: ev = event->attr.config; |