On Mon, Jan 28, 2019 at 11:13:04AM +0100, Igor Mammedov wrote: > On Fri, 25 Jan 2019 11:02:03 -0600 > Josh Poimboeuf <jpoim...@redhat.com> wrote: > > > On Fri, Jan 25, 2019 at 10:36:57AM -0600, Josh Poimboeuf wrote: > > > How about this patch? It's just a revert of 73d5e2b47264 and > > > bc2d8d262cba, plus the 1-line vmx_vm_init() change. If it looks ok to > > > you, I can clean it up and submit an official version. > > > > This one actually compiles... > > Looks good to me, > (one small question below) > > > [...] > > static inline bool cpu_smt_allowed(unsigned int cpu) > > { > > - if (topology_is_primary_thread(cpu)) > > + if (cpu_smt_control == CPU_SMT_ENABLED) > > return true; > > > > - /* > > - * If the CPU is not a 'primary' thread and the booted_once bit is > > - * set then the processor has SMT support. Store this information > > - * for the late check of SMT support in cpu_smt_check_topology(). > > - */ > > - if (per_cpu(cpuhp_state, cpu).booted_once) > > - cpu_smt_available = true; > > - > > - if (cpu_smt_control == CPU_SMT_ENABLED) > > + if (topology_is_primary_thread(cpu)) > > return true; > why did you swap cpu_smt_control and topology_is_primary_thread checks?
That's just the revert of bc2d8d262cba5. -- Josh