- /* When there is only one core no need to synchronize RDTSC */
- if (num_possible_cpus() == 1)
- set_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
- else
- clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);
+ /* RDTSC can be speculated around */
+ clear_bit(X86_FEATURE_SYNC_RDTSC, &c->x86_capability);