Merge tag 'defconfig-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[linux-2.6-microblaze.git] / arch / x86 / events / amd / uncore.c
index 582c0ff..0d04414 100644 (file)
 #include <linux/init.h>
 #include <linux/cpu.h>
 #include <linux/cpumask.h>
+#include <linux/cpufeature.h>
+#include <linux/smp.h>
 
-#include <asm/cpufeature.h>
 #include <asm/perf_event.h>
 #include <asm/msr.h>
-#include <asm/smp.h>
 
 #define NUM_COUNTERS_NB                4
 #define NUM_COUNTERS_L2                4
@@ -347,6 +347,7 @@ static struct pmu amd_nb_pmu = {
        .stop           = amd_uncore_stop,
        .read           = amd_uncore_read,
        .capabilities   = PERF_PMU_CAP_NO_EXCLUDE | PERF_PMU_CAP_NO_INTERRUPT,
+       .module         = THIS_MODULE,
 };
 
 static struct pmu amd_llc_pmu = {
@@ -360,6 +361,7 @@ static struct pmu amd_llc_pmu = {
        .stop           = amd_uncore_stop,
        .read           = amd_uncore_read,
        .capabilities   = PERF_PMU_CAP_NO_EXCLUDE | PERF_PMU_CAP_NO_INTERRUPT,
+       .module         = THIS_MODULE,
 };
 
 static struct amd_uncore *amd_uncore_alloc(unsigned int cpu)
@@ -452,7 +454,7 @@ static int amd_uncore_cpu_starting(unsigned int cpu)
 
        if (amd_uncore_llc) {
                uncore = *per_cpu_ptr(amd_uncore_llc, cpu);
-               uncore->id = per_cpu(cpu_llc_id, cpu);
+               uncore->id = get_llc_id(cpu);
 
                uncore = amd_uncore_find_online_sibling(uncore, amd_uncore_llc);
                *per_cpu_ptr(amd_uncore_llc, cpu) = uncore;
@@ -659,12 +661,34 @@ fail_prep:
 fail_llc:
        if (boot_cpu_has(X86_FEATURE_PERFCTR_NB))
                perf_pmu_unregister(&amd_nb_pmu);
-       if (amd_uncore_llc)
-               free_percpu(amd_uncore_llc);
+       free_percpu(amd_uncore_llc);
 fail_nb:
-       if (amd_uncore_nb)
-               free_percpu(amd_uncore_nb);
+       free_percpu(amd_uncore_nb);
 
        return ret;
 }
-device_initcall(amd_uncore_init);
+
+static void __exit amd_uncore_exit(void)
+{
+       cpuhp_remove_state(CPUHP_AP_PERF_X86_AMD_UNCORE_ONLINE);
+       cpuhp_remove_state(CPUHP_AP_PERF_X86_AMD_UNCORE_STARTING);
+       cpuhp_remove_state(CPUHP_PERF_X86_AMD_UNCORE_PREP);
+
+       if (boot_cpu_has(X86_FEATURE_PERFCTR_LLC)) {
+               perf_pmu_unregister(&amd_llc_pmu);
+               free_percpu(amd_uncore_llc);
+               amd_uncore_llc = NULL;
+       }
+
+       if (boot_cpu_has(X86_FEATURE_PERFCTR_NB)) {
+               perf_pmu_unregister(&amd_nb_pmu);
+               free_percpu(amd_uncore_nb);
+               amd_uncore_nb = NULL;
+       }
+}
+
+module_init(amd_uncore_init);
+module_exit(amd_uncore_exit);
+
+MODULE_DESCRIPTION("AMD Uncore Driver");
+MODULE_LICENSE("GPL v2");