On 03/23/2018 02:27 PM, Thomas Gleixner wrote: > > Looking at all call sites. None of them is performance critical and all of > them are in preemptible context. > > So we simply can switch the rdmsr_safe_on_cpu() implementation over to wait > mode completely.
SGTM, thanks for looking, I will send a v3 then. > >> +/* Note: This version spins in smp_call_function_single(). >> + * Consider using rdmsr_safe_on_cpu_resched() variant instead. > > Bah. This is not networking code. x86 uses sensible comment style :) Right ;)