diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-29 11:50:17 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-29 11:50:17 -0700 |
commit | 9c5891bd4342349a200676d33f742dd1b864822c (patch) | |
tree | b14c1698f2d8ce5276e1befd562f6398a46b48b9 /arch/powerpc/perf/power8-pmu.c | |
parent | ecda040ff3724f021a96491ecee88d48e968c153 (diff) | |
parent | 5ae90d8e467e625e447000cb4335c4db973b1095 (diff) |
Merge 3.11-rc3 into char-misc-next.
This resolves a merge issue with:
drivers/misc/mei/init.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/powerpc/perf/power8-pmu.c')
-rw-r--r-- | arch/powerpc/perf/power8-pmu.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index 96a64d6a8bd..7466374d278 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -561,18 +561,13 @@ static int power8_generic_events[] = { static u64 power8_bhrb_filter_map(u64 branch_sample_type) { u64 pmu_bhrb_filter = 0; - u64 br_privilege = branch_sample_type & ONLY_PLM; - /* BHRB and regular PMU events share the same prvillege state + /* BHRB and regular PMU events share the same privilege state * filter configuration. BHRB is always recorded along with a - * regular PMU event. So privilege state filter criteria for BHRB - * and the companion PMU events has to be the same. As a default - * "perf record" tool sets all privillege bits ON when no filter - * criteria is provided in the command line. So as along as all - * privillege bits are ON or they are OFF, we are good to go. + * regular PMU event. As the privilege state filter is handled + * in the basic PMC configuration of the accompanying regular + * PMU event, we ignore any separate BHRB specific request. */ - if ((br_privilege != 7) && (br_privilege != 0)) - return -1; /* No branch filter requested */ if (branch_sample_type & PERF_SAMPLE_BRANCH_ANY) @@ -621,10 +616,19 @@ static struct power_pmu power8_pmu = { static int __init init_power8_pmu(void) { + int rc; + if (!cur_cpu_spec->oprofile_cpu_type || strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power8")) return -ENODEV; - return register_power_pmu(&power8_pmu); + rc = register_power_pmu(&power8_pmu); + if (rc) + return rc; + + /* Tell userspace that EBB is supported */ + cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_EBB; + + return 0; } early_initcall(init_power8_pmu); |