diff options
Diffstat (limited to 'arch/x86/kernel/ds.c')
| -rw-r--r-- | arch/x86/kernel/ds.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c index 71cab3b62dce..443f415441da 100644 --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -47,9 +47,8 @@ struct ds_configuration { /* Control bit-masks indexed by enum ds_feature: */ unsigned long ctl[dsf_ctl_max]; }; -static DEFINE_PER_CPU(struct ds_configuration, ds_cfg_array); +static struct ds_configuration ds_cfg __read_mostly; -#define ds_cfg per_cpu(ds_cfg_array, smp_processor_id()) /* Maximal size of a DS configuration: */ #define MAX_SIZEOF_DS (12 * 8) @@ -1268,6 +1267,10 @@ ds_configure(const struct ds_configuration *cfg, void __cpuinit ds_init_intel(struct cpuinfo_x86 *c) { + /* Only configure the first cpu. Others are identical. */ + if (ds_cfg.name) + return; + switch (c->x86) { case 0x6: switch (c->x86_model) { |