On Mon, Aug 29, 2016 at 04:48:19PM -0500, Jeremy Linton wrote:
> +/* Count number and type of CPU cores in the system. */
> +static void __init arm_pmu_acpi_determine_cpu_types(struct list_head *pmus)
> +{
> + int i;
> + bool alloc_failure = false;
> +
> + for_each_possible_cpu(i) {
> + struct cpuinfo_arm64 *cinfo = per_cpu_ptr(&cpu_data, i);
> + u32 partnum = MIDR_PARTNUM(cinfo->reg_midr);
> + struct pmu_types *pmu;
> +
> + list_for_each_entry(pmu, pmus, list) {
> + if (pmu->cpu_type == partnum) {
> + pmu->cpu_count++;
> + break;
> + }
> + }
> +
> + /* we didn't find the CPU type, add an entry to identify it */
> + if ((&pmu->list == pmus) && (!alloc_failure)) {
> + pmu = kzalloc(sizeof(struct pmu_types), GFP_KERNEL);
> + if (!pmu) {
> + pr_warn("Unable to allocate pmu_types\n");
> + /*
> + * continue to count cpus for any pmu_types
> + * already allocated, but don't allocate any
> + * more pmu_types. This avoids undercounting.
> + */
> + alloc_failure = true;
I thought we were ripping this out?
Will
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