diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/setup.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 1689adccc6d7..593acceeff96 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -278,6 +278,8 @@ static struct notifier_block pci_dn_reconfig_nb = { .notifier_call = pci_dn_reconfig_notifier, }; +struct kmem_cache *dtl_cache; + #ifdef CONFIG_VIRT_CPU_ACCOUNTING /* * Allocate space for the dispatch trace log for all possible cpus @@ -289,18 +291,12 @@ static int alloc_dispatch_logs(void) int cpu, ret; struct paca_struct *pp; struct dtl_entry *dtl; - struct kmem_cache *dtl_cache; if (!firmware_has_feature(FW_FEATURE_SPLPAR)) return 0; - dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES, - DISPATCH_LOG_BYTES, 0, NULL); - if (!dtl_cache) { - pr_warn("Failed to create dispatch trace log buffer cache\n"); - pr_warn("Stolen time statistics will be unreliable\n"); + if (!dtl_cache) return 0; - } for_each_possible_cpu(cpu) { pp = &paca[cpu]; @@ -334,10 +330,27 @@ static int alloc_dispatch_logs(void) return 0; } - -early_initcall(alloc_dispatch_logs); +#else /* !CONFIG_VIRT_CPU_ACCOUNTING */ +static inline int alloc_dispatch_logs(void) +{ + return 0; +} #endif /* CONFIG_VIRT_CPU_ACCOUNTING */ +static int alloc_dispatch_log_kmem_cache(void) +{ + dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES, + DISPATCH_LOG_BYTES, 0, NULL); + if (!dtl_cache) { + pr_warn("Failed to create dispatch trace log buffer cache\n"); + pr_warn("Stolen time statistics will be unreliable\n"); + return 0; + } + + return alloc_dispatch_logs(); +} +early_initcall(alloc_dispatch_log_kmem_cache); + static void __init pSeries_setup_arch(void) { /* Discover PIC type and setup ppc_md accordingly */ |