diff options
Diffstat (limited to 'arch/powerpc/oprofile')
| -rw-r--r-- | arch/powerpc/oprofile/op_model_cell.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index 35141a8bc3d..25a4ec2514a 100644 --- a/arch/powerpc/oprofile/op_model_cell.c +++ b/arch/powerpc/oprofile/op_model_cell.c @@ -582,6 +582,13 @@ static int cell_reg_setup(struct op_counter_config *ctr, num_counters = num_ctrs; + if (unlikely(num_ctrs > NR_PHYS_CTRS)) { + printk(KERN_ERR + "%s: Oprofile, number of specified events " \ + "exceeds number of physical counters\n", + __func__); + return -EIO; + } pm_regs.group_control = 0; pm_regs.debug_bus_control = 0; @@ -830,13 +837,13 @@ static int calculate_lfsr(int n) static int pm_rtas_activate_spu_profiling(u32 node) { int ret, i; - struct pm_signal pm_signal_local[NR_PHYS_CTRS]; + struct pm_signal pm_signal_local[NUM_SPUS_PER_NODE]; /* * Set up the rtas call to configure the debug bus to * route the SPU PCs. Setup the pm_signal for each SPU */ - for (i = 0; i < NUM_SPUS_PER_NODE; i++) { + for (i = 0; i < ARRAY_SIZE(pm_signal_local); i++) { pm_signal_local[i].cpu = node; pm_signal_local[i].signal_group = 41; /* spu i on word (i/2) */ @@ -848,7 +855,7 @@ static int pm_rtas_activate_spu_profiling(u32 node) ret = rtas_ibm_cbe_perftools(SUBFUNC_ACTIVATE, PASSTHRU_ENABLE, pm_signal_local, - (NUM_SPUS_PER_NODE + (ARRAY_SIZE(pm_signal_local) * sizeof(struct pm_signal))); if (unlikely(ret)) { |