[PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386

[safe/jmp/linux-2.6] / arch / i386 / kernel / cpu / intel_cacheinfo.c

diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index e9f0b92..80b4c5d 100644 (file)
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -480,12 +480,10 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
        if (num_cache_leaves == 0)
                return -ENOENT;
 
-       cpuid4_info[cpu] = kmalloc(
+       cpuid4_info[cpu] = kzalloc(
            sizeof(struct _cpuid4_info) * num_cache_leaves, GFP_KERNEL);
        if (unlikely(cpuid4_info[cpu] == NULL))
                return -ENOMEM;
-       memset(cpuid4_info[cpu], 0,
-           sizeof(struct _cpuid4_info) * num_cache_leaves);
 
        oldmask = current->cpus_allowed;
        retval = set_cpus_allowed(current, cpumask_of_cpu(cpu));
@@ -658,17 +656,14 @@ static int __cpuinit cpuid4_cache_sysfs_init(unsigned int cpu)
                return -ENOENT;
 
        /* Allocate all required memory */
-       cache_kobject[cpu] = kmalloc(sizeof(struct kobject), GFP_KERNEL);
+       cache_kobject[cpu] = kzalloc(sizeof(struct kobject), GFP_KERNEL);
        if (unlikely(cache_kobject[cpu] == NULL))
                goto err_out;
-       memset(cache_kobject[cpu], 0, sizeof(struct kobject));
 
-       index_kobject[cpu] = kmalloc(
+       index_kobject[cpu] = kzalloc(
            sizeof(struct _index_kobject ) * num_cache_leaves, GFP_KERNEL);
        if (unlikely(index_kobject[cpu] == NULL))
                goto err_out;
-       memset(index_kobject[cpu], 0,
-           sizeof(struct _index_kobject) * num_cache_leaves);
 
        return 0;
 
@@ -759,7 +754,7 @@ static int __cpuinit cache_sysfs_init(void)
        if (num_cache_leaves == 0)
                return 0;
 
-       register_cpu_notifier(&cacheinfo_cpu_notifier);
+       register_hotcpu_notifier(&cacheinfo_cpu_notifier);
 
        for_each_online_cpu(i) {
                cacheinfo_cpu_callback(&cacheinfo_cpu_notifier, CPU_ONLINE,