diff options
Diffstat (limited to 'arch/x86/oprofile/op_model_p4.c')
| -rw-r--r-- | arch/x86/oprofile/op_model_p4.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c index 7cc80df330d5..182558dd5515 100644 --- a/arch/x86/oprofile/op_model_p4.c +++ b/arch/x86/oprofile/op_model_p4.c @@ -404,7 +404,7 @@ static void p4_shutdown(struct op_msrs const * const msrs) } } -static void p4_fill_in_addresses(struct op_msrs * const msrs) +static int p4_fill_in_addresses(struct op_msrs * const msrs) { unsigned int i; unsigned int addr, cccraddr, stag; @@ -486,6 +486,18 @@ static void p4_fill_in_addresses(struct op_msrs * const msrs) msrs->controls[i++].addr = MSR_P4_CRU_ESCR5; } } + + for (i = 0; i < num_counters; ++i) { + if (!counter_config[i].enabled) + continue; + if (msrs->controls[i].addr) + continue; + op_x86_warn_reserved(i); + p4_shutdown(msrs); + return -EBUSY; + } + + return 0; } |