diff options
Diffstat (limited to 'arch/x86/events/intel/uncore.c')
-rw-r--r-- | arch/x86/events/intel/uncore.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index 459b1aafd4d4..eeaa92f06b44 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -65,6 +65,21 @@ int uncore_die_to_segment(int die) return bus ? pci_domain_nr(bus) : -EINVAL; } +int uncore_device_to_die(struct pci_dev *dev) +{ + int node = pcibus_to_node(dev->bus); + int cpu; + + for_each_cpu(cpu, cpumask_of_pcibus(dev->bus)) { + struct cpuinfo_x86 *c = &cpu_data(cpu); + + if (c->initialized && cpu_to_node(cpu) == node) + return c->logical_die_id; + } + + return -1; +} + static void uncore_free_pcibus_map(void) { struct pci2phy_map *map, *tmp; |