diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2015-09-30 21:20:39 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-09-30 21:20:39 +0200 |
| commit | 09907ca630047bbeaa96de0102df7a6cc3a966cd (patch) | |
| tree | 99e2155ea7b87ebdbeea96b7165d55ad0413006d /drivers/base/cacheinfo.c | |
| parent | d786ad32c305ca0f6be1924558866fe9f901e291 (diff) | |
| parent | e02ae3871355194a61b03a07d96fd71e81d7eff9 (diff) | |
Merge branch 'x86/for-kvm' into x86/apic
Pull in the apic change which is provided for kvm folks to pull into
their tree.
Diffstat (limited to 'drivers/base/cacheinfo.c')
| -rw-r--r-- | drivers/base/cacheinfo.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index 764280a91776..e9fd32e91668 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -148,7 +148,11 @@ static void cache_shared_cpu_map_remove(unsigned int cpu) if (sibling == cpu) /* skip itself */ continue; + sib_cpu_ci = get_cpu_cacheinfo(sibling); + if (!sib_cpu_ci->info_list) + continue; + sib_leaf = sib_cpu_ci->info_list + index; cpumask_clear_cpu(cpu, &sib_leaf->shared_cpu_map); cpumask_clear_cpu(sibling, &this_leaf->shared_cpu_map); @@ -159,6 +163,9 @@ static void cache_shared_cpu_map_remove(unsigned int cpu) static void free_cache_attributes(unsigned int cpu) { + if (!per_cpu_cacheinfo(cpu)) + return; + cache_shared_cpu_map_remove(cpu); kfree(per_cpu_cacheinfo(cpu)); @@ -514,8 +521,7 @@ static int cacheinfo_cpu_callback(struct notifier_block *nfb, break; case CPU_DEAD: cache_remove_dev(cpu); - if (per_cpu_cacheinfo(cpu)) - free_cache_attributes(cpu); + free_cache_attributes(cpu); break; } return notifier_from_errno(rc); |